{
  "data": {
    "a": {
      "slug": "bitstamp",
      "name": "Bitstamp API",
      "vendor": "Bitstamp Ltd.",
      "vendorUrl": "https://www.bitstamp.net",
      "kind": "http-api",
      "category": "crypto-exchanges",
      "summary": "Bitstamp's HTTP API v2 for spot and derivatives trading, balances, deposits and withdrawals, with WebSocket and FIX feeds and a sandbox at sandbox.bitstamp.net. Bitstamp is a Robinhood company since June 2025.",
      "url": "https://www.anchorterminal.com/tools/bitstamp",
      "markdownUrl": "https://www.anchorterminal.com/tools/bitstamp.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/bitstamp.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/bitstamp.json",
      "dns": "bitstamp.grade.anchorterminal.com",
      "license": "Proprietary hosted API under Bitstamp's terms of use, which our reader couldn't load",
      "transports": [],
      "packages": [],
      "auth": "api-key",
      "authNotes": "API key and secret made in the Bitstamp account after a browser signup, sent as `X-Auth: BITSTAMP {key}` with an HMAC-SHA256 `X-Auth-Signature` over the verb, host, path, query, nonce, timestamp and body, a 36-character single-use nonce and a timestamp within 150 seconds. Keys carry per-endpoint permissions (error API0003 names a missing permission) and an IP allow-list (API0002), and `X-Auth-Subaccount-Id` targets a sub-account. `POST /api/v2/revoke_all_api_keys/` is a kill switch for every key. Responses carry an `X-Server-Auth-Signature` to verify (https://www.bitstamp.net/api/, checked 2026-11-03).",
      "pricing": "usage",
      "pricingNotes": "The API itself costs nothing. Trading fees are maker and taker by 30-day volume per the API's fees endpoints, but the fee schedule page at bitstamp.net/fee-schedule/ draws its table by script and loaded empty for our reader, so the rates are unchecked. Commercial use of exchange data needs a Data License Agreement through partners@bitstamp.net. The sandbox at sandbox.bitstamp.net needs no money (https://www.bitstamp.net/api/, checked 2026-11-03).",
      "priceSummary": "Pay per use",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the API documentation (checked 2026-11-03). Fees are taken from the account; onboarding is a browser signup.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-11-03"
      },
      "docsUrl": "https://www.bitstamp.net/api/",
      "capabilities": [
        "exchange.market-data",
        "exchange.spot-trading",
        "exchange.derivatives",
        "exchange.balances",
        "exchange.transfers",
        "exchange.staking",
        "market.crypto"
      ],
      "tags": [
        "official",
        "hosted",
        "api-key",
        "sandbox",
        "status-page",
        "usage-priced",
        "eu",
        "uk"
      ],
      "lastRelease": "2026-08-28",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 50.4,
        "grade": "D",
        "agentReady": false,
        "rank": 1002,
        "ranked": true,
        "rankOf": 1349,
        "categoryRank": 18,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 58,
          "maintenance": 28,
          "payments": 20,
          "reliability": 63,
          "schema": 51,
          "security": 60,
          "transparency": 53
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "low",
          "date": "2026-11-03"
        },
        "negative": 0,
        "verdict": "Bitstamp documents its v2 API on one static page with numeric rate limits, per-endpoint key permissions, an IP allow-list, a kill switch and a sandbox. There is no official MCP server, duplicate client order ids are allowed, and the fee schedule, terms, privacy policy and country list render by script and could not be read.",
        "bestFor": "An agent that needs a long-running regulated spot venue in the EU, UK and US with a sandbox and per-endpoint key permissions, and can do its own signing.",
        "strengths": [
          "Rate limits with numbers (400 requests a second, 10,000 per 10 minutes) and named error codes for client and market limits",
          "Keys carry per-endpoint permissions and an IP allow-list, and one call revokes every key on the account",
          "A sandbox at sandbox.bitstamp.net with the same v2 paths, plus order-data endpoints to recover gaps after a dropped WebSocket",
          "A dated API changelog from 2023 to 28 August 2026 and a Statuspage feed with per-market incidents",
          "Signed responses (`X-Server-Auth-Signature`) let a client verify what the server returned"
        ],
        "weaknesses": [
          "No official MCP server, SDK, llms.txt or OpenAPI file; the registry's Bitstamp servers are third parties proxying public market data",
          "Duplicate client order ids are allowed since November 2023, so a retried order can execute twice",
          "The fee schedule, terms of use, privacy policy, about page and FAQ load empty without a browser, so fees, retention and the bot clauses are unchecked",
          "A 3-hour withdrawal failure across 14 networks on 21 August 2026 and a 39-minute halt of all markets on 5 August 2026",
          "security.txt expired on 12 July 2026, and no SLA was found"
        ],
        "agentNotes": [
          "Mint a key with only the endpoint permissions the task needs and an IP allow-list; keep `revoke_all_api_keys` in reach as a kill switch",
          "Treat `client_order_id` as a label, not a guard. On a timeout (500.016) fetch the order by client id before resending, because duplicates are accepted",
          "Use a fresh 36-character nonce and a timestamp within 150 seconds of server time on every request, or expect API0004 and API0017",
          "Stay under 400 requests a second and 10,000 per 10 minutes; 400.002 and 400.067 mean back off, and open-orders answers are cached for 10 seconds",
          "Start on sandbox.bitstamp.net with the same paths, and read the fee schedule in a browser before quoting costs, since it is unreadable to a plain fetch"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "low",
            "grade": "D",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 50.4
          }
        ],
        "editorialScores": {
          "ergonomics": 58,
          "maintenance": 28,
          "payments": 20,
          "reliability": 63,
          "schema": 51,
          "security": 60,
          "transparency": 16
        },
        "provenanceScore": 90,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-03",
            "maintenance": "2026-11-03",
            "payments": "2026-11-03",
            "reliability": "2026-11-03",
            "schema": "2026-11-03",
            "security": "2026-11-03",
            "transparency": "2026-11-03"
          },
          "last": "2026-11-03",
          "oldest": "2026-11-03",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl https://www.bitstamp.net/api/v2/ticker/btcusd/"
      },
      "letme": {
        "capability": "https://letme.dev/exchange.market-data",
        "tool": "https://letme.dev/bitstamp"
      },
      "area": "payments",
      "provenance": {
        "legalEntity": "Bitstamp Ltd.",
        "domain": "bitstamp.net",
        "domainRegistered": "2011-07-04",
        "endpointOnVendorDomain": true,
        "terms": "https://www.bitstamp.net/terms-of-use/",
        "privacy": "https://www.bitstamp.net/privacy-policy/",
        "statusPage": "https://status.bitstamp.net",
        "changelog": "https://www.bitstamp.net/api/",
        "securityTxt": "expired",
        "checked": "2026-11-03",
        "notes": [
          "Bitstamp Ltd. is named in Robinhood's newsroom post of 2 June 2025 on closing the acquisition; the terms of use and privacy policy pages loaded empty for our reader, so the entities they name are unconfirmed.",
          "RDAP gives bitstamp.net a registration date of 4 July 2011.",
          "https://www.bitstamp.net/.well-known/security.txt names HackerOne's Robinhood programme as Contact and Policy and expired on 12 July 2026.",
          "www.bitstamp.net/robots.txt allows /api/ itself and disallows /api/*, /account/, /trade/ and others; only /api/ was read under it. status.bitstamp.net disallows /api/ and /embed/, so the history feed was read. support.bitstamp.net did not resolve.",
          "The API changelog is a section of the API documentation page; there is no separate changelog URL."
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/bitstamp.json",
      "live": {
        "slug": "bitstamp",
        "vendorStatus": {
          "page": "https://status.bitstamp.net",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-11-04T20:04:41.953848408Z"
        },
        "securityTxt": {
          "url": "https://bitstamp.net/.well-known/security.txt",
          "state": "expired",
          "expires": "2026-07-12T11:59:00.000Z",
          "checkedAt": "2026-11-04T15:53:31.314157297Z"
        },
        "updatedAt": "2026-11-04T20:04:41.953848408Z"
      }
    },
    "answer": "Bitstamp API scores 50.4 (D) on agent readiness against HTX trading API's 43.3 (E), and leads in 5 of 7 scored categories. HTX trading API leads on agent ergonomics and maintenance \u0026 community.",
    "b": {
      "slug": "htx",
      "name": "HTX trading API",
      "vendor": "HTX",
      "vendorUrl": "https://www.htx.com",
      "kind": "http-api",
      "category": "crypto-exchanges",
      "summary": "HTX, the exchange formerly Huobi, runs REST and WebSocket APIs for spot and derivatives trading, balances, transfers and withdrawals, authenticated with HMAC-signed API keys that carry read, trade and withdraw permissions.",
      "url": "https://www.anchorterminal.com/tools/htx",
      "markdownUrl": "https://www.anchorterminal.com/tools/htx.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/htx.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/htx.json",
      "dns": "htx.grade.anchorterminal.com",
      "repo": "https://github.com/HuobiRDCenter",
      "transports": [],
      "packages": [],
      "auth": "api-key",
      "authNotes": "API keys made in the account's API Management page after a browser sign-up and identity check. Requests are signed with HMAC SHA256 (SignatureVersion 2) over the query string, with AccessKeyId, Timestamp and the Signature sent as query parameters; the secret never travels. A main account key carries Read, Trade and Withdraw permissions, a sub-user key Read and Trade only. A key can be bound to up to 20 IP addresses, and the docs say a key without IP binding expires after 90 days (https://huobiapi.github.io/docs/spot/v1/en/, checked 2026-11-03).",
      "pricing": "usage",
      "pricingNotes": "Trading fees per order. The fee schedule at htx.com/fee is drawn by script and answered our reader with no text, so no rate is recorded; third-party guides give 0.2 per cent maker and taker at the base tier, which is a lead and not a source. Public market data needs no key and no account (https://www.htx.com/fee/, checked 2026-11-03).",
      "priceSummary": "Pay per use",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the API docs or on the pages that loaded (checked 2026-11-03). Trading fees are taken from each fill.",
        "endpoints": []
      },
      "toolCount": 0,
      "popularity": {
        "githubStars": 684,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-11-03"
      },
      "docsUrl": "https://huobiapi.github.io/docs/spot/v1/en/",
      "capabilities": [
        "exchange.market-data",
        "exchange.spot-trading",
        "exchange.derivatives",
        "exchange.balances",
        "exchange.transfers",
        "market.crypto"
      ],
      "tags": [
        "hosted",
        "api-key",
        "closed-source",
        "usage-priced",
        "python",
        "java",
        "go",
        "no-status-page"
      ],
      "lastRelease": "2026-10-21",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 43.3,
        "grade": "E",
        "agentReady": false,
        "rank": 1166,
        "ranked": true,
        "rankOf": 1349,
        "categoryRank": 21,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 69,
          "maintenance": 57,
          "payments": 15,
          "reliability": 38,
          "schema": 40,
          "security": 51,
          "transparency": 25
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "low",
          "date": "2026-11-03"
        },
        "negative": 0,
        "verdict": "HTX's API has per-endpoint rate limits, read, trade and withdraw key permissions with IP binding, and SDKs in five languages. No official MCP server exists, the testnet is closed, the public reference is still Huobi's with a 2022 changelog, and the fee schedule, terms and restricted countries are on script-drawn pages we couldn't read.",
        "bestFor": "Spot and USDT-margined derivatives for agents that can hold an HTX key, with no MCP server and no testnet.",
        "strengths": [
          "Key permissions split into Read, Trade and Withdraw, sub-user keys without Withdraw, and up to 20 bound IP addresses per key",
          "Rate limits published per endpoint with numbers, and remaining-quota headers on every response",
          "A client-order-id unique within 8 hours on orders and idempotent on withdrawals, so a retry doesn't double an order",
          "Official SDKs in Python, Java, C++, C# and Go, the contract ones pushed on 21 October 2026"
        ],
        "weaknesses": [
          "No official MCP server; the only one in the MCP registry is a third party's read-only ticker server",
          "The testnet is shut down, so order logic can only be tried with real funds",
          "The public API reference is still branded Huobi with a last changelog entry of June 2022, and HTX's newer docs are drawn by script",
          "No status page, no SLA and no documented 429 or Retry-After behaviour",
          "The fee schedule, user agreement, privacy policy and restricted-country list couldn't be read, so none is recorded first-hand"
        ],
        "agentNotes": [
          "Ask the operator for a key with Read and Trade only and bound to your IP addresses; a key without IP binding expires after 90 days",
          "Send a fresh client-order-id of up to 64 characters with every order and reuse it only on retry; a repeat within 8 hours answers invalid.client.order.id",
          "Watch X-HB-RateLimit-Requests-Remain and pace at under 100 order calls per 2 seconds per UID; limits are shared by every key on the account",
          "There is no testnet; try order logic with the smallest size the market allows",
          "Confirm the person's country is served before trading; the restricted list in the user agreement couldn't be read here"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "low",
            "grade": "E",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 43.3
          }
        ],
        "editorialScores": {
          "ergonomics": 69,
          "maintenance": 57,
          "payments": 15,
          "reliability": 38,
          "schema": 40,
          "security": 51,
          "transparency": 15
        },
        "provenanceScore": 34,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-03",
            "maintenance": "2026-11-03",
            "payments": "2026-11-03",
            "reliability": "2026-11-03",
            "schema": "2026-11-03",
            "security": "2026-11-03",
            "transparency": "2026-11-03"
          },
          "last": "2026-11-03",
          "oldest": "2026-11-03",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl https://api.huobi.pro/market/tickers"
      },
      "letme": {
        "capability": "https://letme.dev/exchange.market-data",
        "tool": "https://letme.dev/htx"
      },
      "area": "payments",
      "provenance": {
        "legalEntity": "",
        "domain": "htx.com",
        "domainRegistered": "1995-12-13",
        "endpointOnVendorDomain": false,
        "terms": "https://www.htx.com/en-in/support/360000298561/",
        "privacy": "",
        "statusPage": "",
        "changelog": "https://huobiapi.github.io/docs/spot/v1/en/",
        "securityTxt": "none",
        "checked": "2026-11-03",
        "notes": [
          "The legal entity is unread. The HTX Platform User Agreement and every other page on www.htx.com answered our reader with no text on 3 November 2026 (the pages are drawn by script), so the terms, privacy policy, fee schedule and about page were not read. Terms URL recorded from a search result's title.",
          "RDAP gives htx.com a registration date of 13 December 1995, long before the exchange took the name in 2023; the domain was acquired, not registered, by the exchange.",
          "The API endpoint api.huobi.pro is on the old huobi.pro domain, not htx.com.",
          "www.htx.com/robots.txt allows / and disallows account paths (finance/account, user-center/security and the like). www.huobi.com/robots.txt disallows everything and was not read further. huobiapi.github.io has no robots.txt.",
          "https://www.htx.com/.well-known/security.txt answered no text; recorded as none. status.htx.com does not resolve."
        ],
        "score": 34
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/htx.json",
      "live": {
        "slug": "htx",
        "securityTxt": {
          "url": "https://htx.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-11-04T15:54:20.226147452Z"
        },
        "updatedAt": "2026-11-04T15:54:20.226147452Z"
      }
    },
    "edges": [
      {
        "by": 29,
        "category": "maintenance",
        "leads": "htx",
        "name": "Maintenance \u0026 community",
        "reasons": {
          "a": "Read as a closed service. The last dated API change is 28 August 2026, 67 days before the check (20). Only one dated entry in the last 90 days, after 1 July and 12 June (0). No public repository or issue tracker, support pages did not load and support.bitstamp.net did not resolve; a changelog exists (8 of 25). No official SDKs and no MCP registry presence of Bitstamp's own (0). No package to assess (0). 20 + 0 + 8 + 0 + 0 = 28.",
          "b": "Read as a closed service. The readable changelog ends on 24 June 2022, but the official contract SDKs were pushed on 21 October 2026 and the spot SDKs in April and July 2026, so the API surface is still being maintained; judgement call (20 of 30). SDK pushes on 30 July, 23 August and 21 October 2026 are commits, not releases (10 of 20). A Telegram group for API support and a support centre, neither tested; GitHub issues not read (8 of 15). Official SDKs in five languages (15). No CI seen, dependencies not checked (4 of 10). 20 + 10 + 8 + 15 + 4 = 57."
        },
        "scores": {
          "a": 28,
          "b": 57
        }
      },
      {
        "by": 28,
        "category": "transparency",
        "leads": "bitstamp",
        "name": "Transparency \u0026 trust",
        "reasons": {
          "a": "The editorial half. A closed service whose terms of use loaded empty for our reader, so the licence and clauses are unknown (8 of 30). The privacy policy loaded empty, so retention and data handling are unchecked (0 of 30). A 410.001 code marks deprecated endpoints and the changelog records replacements such as `trading-pairs-info` by `markets`, with no notice period stated (8 of 20). Subprocessors and data locations are in the unread privacy policy (0). 8 + 0 + 8 + 0 = 16.",
          "b": "The editorial half. A closed service whose user agreement exists but couldn't be read (script-drawn pages), so the licence clarity is unknown rather than unclear (10 of 30). The privacy policy was not read (0 of 30, unchecked). The testnet shutdown and the 2022 changelog entries are dated, with no deprecation policy (5 of 20). No subprocessor or data-location statement read (0 of 20). 10 + 0 + 5 + 0 = 15."
        },
        "scores": {
          "a": 53,
          "b": 25
        }
      },
      {
        "by": 25,
        "category": "reliability",
        "leads": "bitstamp",
        "name": "Reliability",
        "reasons": {
          "a": "Read with the hosted lines on the HTTP API v2 at www.bitstamp.net/api/v2/. status.bitstamp.net is a Statuspage site with component history (20). Its feed for 5 August to 3 November 2026 has 17 entries, among them withdrawals failing on 14 networks for about 3 hours on 21 August, database maintenance with login failures and intermittent trading interruptions for about 1 hour 44 minutes on 23 September, a 39-minute halt of all markets on 5 August, and delistings and single-asset suspensions. One major (10). Rate limits with numbers, 400 a second and 10,000 per 10 minutes (15). Limit errors are named (400.002, 400.067, 400.068) but there is no Retry-After or backoff guidance, duplicate client order ids are allowed, and the only retry guidance is to check the order after a 500.016 timeout (8 of 15). No SLA found (0). Generally available (10). 20 + 10 + 15 + 8 + 0 + 10 = 63.",
          "b": "Read with the hosted lines. No status page found; status.htx.com does not resolve and nothing on htx.com was readable (0). No readable incident history (5). Rate limits documented per endpoint with numbers, 100 order calls per 2 seconds per UID and so on, with remaining-quota headers (15). No 429 or Retry-After behaviour is documented and the only limit error named is 1006 for conditional orders; a client-order-id unique within 8 hours and an idempotent withdrawal id give safe retries on writes (8 of 15). No SLA found (0). The spot and swap APIs are generally available (10). 0 + 5 + 15 + 8 + 0 + 10 = 38."
        },
        "scores": {
          "a": 63,
          "b": 38
        }
      },
      {
        "by": 11,
        "category": "schema",
        "leads": "bitstamp",
        "name": "Schema \u0026 documentation",
        "reasons": {
          "a": "No OpenAPI or other machine-readable contract was found on the API page or elsewhere (0). No llms.txt or Markdown docs (0). The single documentation page describes each endpoint's purpose and parameters, with notes such as the 10-second cache on open orders and the Travel Rule fields, but not when to use one endpoint over another (14 of 20). Parameters are typed with enumerations (margin mode CROSS or ISOLATED, margin multiplier 1 to 25, order types) and required fields marked (11 of 15). Signing examples in Python, Java and C++, and error families with numbered codes and explanations (13 of 15). Version v2 in the path and header, a dated changelog from 7 April 2023 to 28 August 2026, and a 410.001 code for deprecated endpoints, with no stated notice period (13 of 15). 0 + 0 + 14 + 11 + 13 + 13 = 51.",
          "b": "No OpenAPI or other machine-readable contract found in the docs or the GitHub accounts (0). No llms.txt on htx.com, and the readable reference is a static page (0). Each endpoint states its purpose and parameters, without when-to-use guidance (12 of 20). Parameter tables carry types, required flags and enums for order types and states (10 of 15). Request and response examples throughout and error-code tables with messages (11 of 15). Versions v1 and v2 are mixed in one reference whose last changelog entry is 24 June 2022, while HTX's newer docs on htx.com couldn't be read (7 of 15). 0 + 0 + 12 + 10 + 11 + 7 = 40."
        },
        "scores": {
          "a": 51,
          "b": 40
        }
      },
      {
        "by": 11,
        "category": "ergonomics",
        "leads": "htx",
        "name": "Agent ergonomics",
        "reasons": {
          "a": "Graded on the REST API. Order book grouping and transaction time windows size responses, but there is no field selection and no MCP surface (15 of 25). Offset, limit, since and sort on transaction history, `until_id` windows on order-data replay (14 of 20). `response_code` and `response_explanation` name the failure, such as 400.009 insufficient balance, 403.004 trading blocked and 500.025 insufficient liquidity (16 of 20). No idempotency, since `client_order_id` duplicates are allowed since November 2023 and the docs say only to check the order id after a timeout; the kill switch limits damage (8 of 20). Few required parameters, but no official SDK in any language (5 of 15). 15 + 14 + 16 + 8 + 5 = 58.",
          "b": "Graded on the REST API. Responses can be sized with depth types, size and limit parameters on books, candles and history (15 of 25). Paging by from, size and direct on orders and history (14 of 20). Errors return err-code strings with messages, listed in tables (13 of 20). A client-order-id unique within 8 hours and idempotent withdrawal ids make retries safe, with no idempotency header on other writes (14 of 20). Few required parameters and official SDKs in five languages (13 of 15). 15 + 14 + 13 + 14 + 13 = 69."
        },
        "scores": {
          "a": 58,
          "b": 69
        }
      },
      {
        "by": 9,
        "category": "security",
        "leads": "bitstamp",
        "name": "Security \u0026 auth",
        "reasons": {
          "a": "Revocable HMAC-SHA256 keys with per-endpoint permissions, an IP allow-list, single-use nonces, a timestamp window, sub-account scoping and a one-call kill switch for every key; no key expiry found (24 of 30). Permissions are chosen per endpoint and withdrawals can need Travel Rule address verification, but whether a withdrawal address allow-list exists sits in the unread account settings and no confirmation step is documented for API withdrawals (14 of 20). The API returns exchange data, not third-party text (10). No per-key audit log found; the account's transaction history is the record (4 of 15). security.txt names HackerOne's Robinhood programme but expired on 12 July 2026; no certification page was readable (8 of 20). 24 + 14 + 10 + 4 + 8 = 60.",
          "b": "HMAC-signed keys with Read, Trade and Withdraw permissions, sub-user keys without Withdraw, up to 20 bound IPs, revocation in the account and a 90-day expiry without IP binding. The AccessKeyId and the HMAC signature travel as query parameters; the secret does not, so no deduction for a secret in the URL (24 of 30). Read-only keys and withdraw-free keys exist; no server-side confirmation for orders or withdrawals (14 of 20). The API returns the exchange's own data, no untrusted content (10). No per-call log or key-use history found for the operator (3 of 15). No security.txt, disclosure policy or certification found on the pages that loaded (0 of 20). 24 + 14 + 10 + 3 + 0 = 51."
        },
        "scores": {
          "a": 60,
          "b": 51
        }
      }
    ],
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Bitstamp Ltd.",
        "b": "HTX",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "API key",
        "name": "Auth"
      },
      {
        "a": "Pay per use",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary hosted API under Bitstamp's terms of use, which our reader couldn't load",
        "b": "none",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "0",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "no",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "2026-08-28",
        "b": "2026-10-21",
        "name": "Last release"
      },
      {
        "a": "couldn't be read",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "couldn't be read",
        "b": "no document linked",
        "name": "Privacy policy last updated"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "couldn't be read",
        "b": "yes",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "couldn't be read",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "684 stars",
        "name": "Popularity"
      }
    ],
    "faq": [
      {
        "answer": "Bitstamp API scores 50.4 (D) on agent readiness against HTX trading API's 43.3 (E), and leads in 5 of 7 scored categories. HTX trading API leads on agent ergonomics and maintenance \u0026 community.",
        "question": "Which is better for AI agents, Bitstamp API or HTX trading API?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do Bitstamp API and HTX trading API need an API key?"
      },
      {
        "answer": "No hosted endpoint is listed for Bitstamp API. No hosted endpoint is listed for HTX trading API.",
        "question": "Can an agent call Bitstamp API and HTX trading API without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 63 against 38",
          "Schema \u0026 documentation, 51 against 40",
          "Security \u0026 auth, 60 against 51",
          "Payments \u0026 pricing, 20 against 15",
          "Transparency \u0026 trust, 53 against 25"
        ],
        "also": null,
        "goodFor": "An agent that needs a long-running regulated spot venue in the EU, UK and US with a sandbox and per-endpoint key permissions, and can do its own signing.",
        "slug": "bitstamp",
        "watchFor": "No official MCP server, SDK, llms.txt or OpenAPI file; the registry's Bitstamp servers are third parties proxying public market data"
      },
      {
        "aheadOn": [
          "Agent ergonomics, 69 against 58",
          "Maintenance \u0026 community, 57 against 28"
        ],
        "also": null,
        "goodFor": "Spot and USDT-margined derivatives for agents that can hold an HTX key, with no MCP server and no testnet.",
        "slug": "htx",
        "watchFor": "No official MCP server; the only one in the MCP registry is a third party's read-only ticker server"
      }
    ],
    "history": null,
    "job": {
      "capability": "exchange.market-data",
      "name": "Exchange market data"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/bitfinex-vs-bitstamp.json",
        "title": "Bitfinex API vs Bitstamp API",
        "url": "https://www.anchorterminal.com/compare/bitfinex-vs-bitstamp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitfinex-vs-htx.json",
        "title": "Bitfinex API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/bitfinex-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitget-vs-bitstamp.json",
        "title": "Bitget vs Bitstamp API",
        "url": "https://www.anchorterminal.com/compare/bitget-vs-bitstamp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitget-vs-htx.json",
        "title": "Bitget vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/bitget-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bithumb-vs-bitstamp.json",
        "title": "Bithumb Open API vs Bitstamp API",
        "url": "https://www.anchorterminal.com/compare/bithumb-vs-bitstamp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bithumb-vs-htx.json",
        "title": "Bithumb Open API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/bithumb-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-bybit.json",
        "title": "Bitstamp API vs Bybit",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-bybit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-advanced-trade.json",
        "title": "Bitstamp API vs Coinbase Advanced Trade API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-advanced-trade"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-mcp.json",
        "title": "Bitstamp API vs Coinbase MCP server (Coinbase for Agents)",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-crypto-com-exchange.json",
        "title": "Bitstamp API vs Crypto.com Exchange API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-crypto-com-exchange"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-deribit.json",
        "title": "Bitstamp API vs Deribit",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-deribit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-dydx.json",
        "title": "Bitstamp API vs dYdX",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-dydx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-gate-io.json",
        "title": "Bitstamp API vs Gate",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-gate-io"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-gemini-exchange.json",
        "title": "Bitstamp API vs Gemini Exchange API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-gemini-exchange"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-hyperliquid.json",
        "title": "Bitstamp API vs Hyperliquid",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-hyperliquid"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-kraken.json",
        "title": "Bitstamp API vs Kraken API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-kraken"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-kucoin.json",
        "title": "Bitstamp API vs KuCoin",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-kucoin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-mexc.json",
        "title": "Bitstamp API vs MEXC API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-mexc"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-okx.json",
        "title": "Bitstamp API vs OKX API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-okx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-uniswap.json",
        "title": "Bitstamp API vs Uniswap Trading API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-uniswap"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bitstamp-vs-upbit.json",
        "title": "Bitstamp API vs Upbit Open API",
        "url": "https://www.anchorterminal.com/compare/bitstamp-vs-upbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bybit-vs-htx.json",
        "title": "Bybit vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/bybit-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-htx.json",
        "title": "Crypto.com Exchange API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gate-io-vs-htx.json",
        "title": "Gate vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/gate-io-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-exchange-vs-htx.json",
        "title": "Gemini Exchange API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/gemini-exchange-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-hyperliquid.json",
        "title": "HTX trading API vs Hyperliquid",
        "url": "https://www.anchorterminal.com/compare/htx-vs-hyperliquid"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-kraken.json",
        "title": "HTX trading API vs Kraken API",
        "url": "https://www.anchorterminal.com/compare/htx-vs-kraken"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-kucoin.json",
        "title": "HTX trading API vs KuCoin",
        "url": "https://www.anchorterminal.com/compare/htx-vs-kucoin"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-mexc.json",
        "title": "HTX trading API vs MEXC API",
        "url": "https://www.anchorterminal.com/compare/htx-vs-mexc"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-okx.json",
        "title": "HTX trading API vs OKX API",
        "url": "https://www.anchorterminal.com/compare/htx-vs-okx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-uniswap.json",
        "title": "HTX trading API vs Uniswap Trading API",
        "url": "https://www.anchorterminal.com/compare/htx-vs-uniswap"
      },
      {
        "json": "https://www.anchorterminal.com/compare/htx-vs-upbit.json",
        "title": "HTX trading API vs Upbit Open API",
        "url": "https://www.anchorterminal.com/compare/htx-vs-upbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/binance-vs-bitstamp.json",
        "title": "Binance API vs Bitstamp API",
        "url": "https://www.anchorterminal.com/compare/binance-vs-bitstamp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/binance-vs-htx.json",
        "title": "Binance API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/binance-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-htx.json",
        "title": "Coinbase Advanced Trade API vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-htx.json",
        "title": "Coinbase MCP server (Coinbase for Agents) vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deribit-vs-htx.json",
        "title": "Deribit vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/deribit-vs-htx"
      },
      {
        "json": "https://www.anchorterminal.com/compare/dydx-vs-htx.json",
        "title": "dYdX vs HTX trading API",
        "url": "https://www.anchorterminal.com/compare/dydx-vs-htx"
      }
    ],
    "panel": null,
    "scores": [
      {
        "bitstamp": 63,
        "by": 25,
        "edge": "bitstamp",
        "htx": 38,
        "key": "reliability",
        "name": "Reliability",
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "bitstamp": 51,
        "by": 11,
        "edge": "bitstamp",
        "htx": 40,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "weight": 13
      },
      {
        "bitstamp": 58,
        "by": 11,
        "edge": "htx",
        "htx": 69,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "weight": 13
      },
      {
        "bitstamp": 60,
        "by": 9,
        "edge": "bitstamp",
        "htx": 51,
        "key": "security",
        "name": "Security \u0026 auth",
        "weight": 14
      },
      {
        "bitstamp": 20,
        "by": 5,
        "edge": "bitstamp",
        "htx": 15,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "bitstamp": 28,
        "by": 29,
        "edge": "htx",
        "htx": 57,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "weight": 7
      },
      {
        "bitstamp": 53,
        "by": 28,
        "edge": "bitstamp",
        "htx": 25,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "weight": 7
      }
    ],
    "summary": "Bitstamp API scores 50.4 (D) on agent readiness against HTX trading API's 43.3 (E), and leads in 5 of 7 scored categories. HTX trading API leads on agent ergonomics and maintenance \u0026 community. Both do exchange market data.",
    "tasks": null,
    "tutorials": [],
    "verdicts": {
      "bitstamp": "Bitstamp documents its v2 API on one static page with numeric rate limits, per-endpoint key permissions, an IP allow-list, a kill switch and a sandbox. There is no official MCP server, duplicate client order ids are allowed, and the fee schedule, terms, privacy policy and country list render by script and could not be read.",
      "htx": "HTX's API has per-endpoint rate limits, read, trade and withdraw key permissions with IP binding, and SDKs in five languages. No official MCP server exists, the testnet is closed, the public reference is still Huobi's with a 2022 changelog, and the fee schedule, terms and restricted countries are on script-drawn pages we couldn't read."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/bitstamp-vs-htx",
    "json": "https://www.anchorterminal.com/compare/bitstamp-vs-htx.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
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  "markdown": "Bitstamp API scores 50.4 (D) on agent readiness against HTX trading API's 43.3 (E), and leads in 5 of 7 scored categories. HTX trading API leads on agent ergonomics and maintenance \u0026 community. Both do exchange market data.\n\n- Bitstamp API: grade D, 50.4/100, rank #1002 of 1349. Markdown https://www.anchorterminal.com/tools/bitstamp.md · JSON https://www.anchorterminal.com/api/v1/tools/bitstamp.json\n- HTX trading API: grade E, 43.3/100, rank #1166 of 1349. Markdown https://www.anchorterminal.com/tools/htx.md · JSON https://www.anchorterminal.com/api/v1/tools/htx.json\n- Best crypto exchange APIs and MCP servers for AI agents: https://www.anchorterminal.com/best/crypto-exchanges/index.md\n- All 210 exchanges comparisons: https://www.anchorterminal.com/compare/crypto-exchanges/index.md\n\n## Which one, for what\n\n### Bitstamp API (D)\n\nGood for: An agent that needs a long-running regulated spot venue in the EU, UK and US with a sandbox and per-endpoint key permissions, and can do its own signing.\n\nAhead on:\n- Reliability, 63 against 38\n- Schema \u0026 documentation, 51 against 40\n- Security \u0026 auth, 60 against 51\n- Payments \u0026 pricing, 20 against 15\n- Transparency \u0026 trust, 53 against 25\n\nWatch for: No official MCP server, SDK, llms.txt or OpenAPI file; the registry's Bitstamp servers are third parties proxying public market data\n\n### HTX trading API (E)\n\nGood for: Spot and USDT-margined derivatives for agents that can hold an HTX key, with no MCP server and no testnet.\n\nAhead on:\n- Agent ergonomics, 69 against 58\n- Maintenance \u0026 community, 57 against 28\n\nWatch for: No official MCP server; the only one in the MCP registry is a third party's read-only ticker server\n\n\n## Why the edge\n\n### Maintenance \u0026 community: HTX trading API +29\n\n- Bitstamp API (28): Read as a closed service. The last dated API change is 28 August 2026, 67 days before the check (20). Only one dated entry in the last 90 days, after 1 July and 12 June (0). No public repository or issue tracker, support pages did not load and support.bitstamp.net did not resolve; a changelog exists (8 of 25). No official SDKs and no MCP registry presence of Bitstamp's own (0). No package to assess (0). 20 + 0 + 8 + 0 + 0 = 28.\n- HTX trading API (57): Read as a closed service. The readable changelog ends on 24 June 2022, but the official contract SDKs were pushed on 21 October 2026 and the spot SDKs in April and July 2026, so the API surface is still being maintained; judgement call (20 of 30). SDK pushes on 30 July, 23 August and 21 October 2026 are commits, not releases (10 of 20). A Telegram group for API support and a support centre, neither tested; GitHub issues not read (8 of 15). Official SDKs in five languages (15). No CI seen, dependencies not checked (4 of 10). 20 + 10 + 8 + 15 + 4 = 57.\n\n### Transparency \u0026 trust: Bitstamp API +28\n\n- Bitstamp API (53): The editorial half. A closed service whose terms of use loaded empty for our reader, so the licence and clauses are unknown (8 of 30). The privacy policy loaded empty, so retention and data handling are unchecked (0 of 30). A 410.001 code marks deprecated endpoints and the changelog records replacements such as `trading-pairs-info` by `markets`, with no notice period stated (8 of 20). Subprocessors and data locations are in the unread privacy policy (0). 8 + 0 + 8 + 0 = 16.\n- HTX trading API (25): The editorial half. A closed service whose user agreement exists but couldn't be read (script-drawn pages), so the licence clarity is unknown rather than unclear (10 of 30). The privacy policy was not read (0 of 30, unchecked). The testnet shutdown and the 2022 changelog entries are dated, with no deprecation policy (5 of 20). No subprocessor or data-location statement read (0 of 20). 10 + 0 + 5 + 0 = 15.\n\n### Reliability: Bitstamp API +25\n\n- Bitstamp API (63): Read with the hosted lines on the HTTP API v2 at www.bitstamp.net/api/v2/. status.bitstamp.net is a Statuspage site with component history (20). Its feed for 5 August to 3 November 2026 has 17 entries, among them withdrawals failing on 14 networks for about 3 hours on 21 August, database maintenance with login failures and intermittent trading interruptions for about 1 hour 44 minutes on 23 September, a 39-minute halt of all markets on 5 August, and delistings and single-asset suspensions. One major (10). Rate limits with numbers, 400 a second and 10,000 per 10 minutes (15). Limit errors are named (400.002, 400.067, 400.068) but there is no Retry-After or backoff guidance, duplicate client order ids are allowed, and the only retry guidance is to check the order after a 500.016 timeout (8 of 15). No SLA found (0). Generally available (10). 20 + 10 + 15 + 8 + 0 + 10 = 63.\n- HTX trading API (38): Read with the hosted lines. No status page found; status.htx.com does not resolve and nothing on htx.com was readable (0). No readable incident history (5). Rate limits documented per endpoint with numbers, 100 order calls per 2 seconds per UID and so on, with remaining-quota headers (15). No 429 or Retry-After behaviour is documented and the only limit error named is 1006 for conditional orders; a client-order-id unique within 8 hours and an idempotent withdrawal id give safe retries on writes (8 of 15). No SLA found (0). The spot and swap APIs are generally available (10). 0 + 5 + 15 + 8 + 0 + 10 = 38.\n\n### Schema \u0026 documentation: Bitstamp API +11\n\n- Bitstamp API (51): No OpenAPI or other machine-readable contract was found on the API page or elsewhere (0). No llms.txt or Markdown docs (0). The single documentation page describes each endpoint's purpose and parameters, with notes such as the 10-second cache on open orders and the Travel Rule fields, but not when to use one endpoint over another (14 of 20). Parameters are typed with enumerations (margin mode CROSS or ISOLATED, margin multiplier 1 to 25, order types) and required fields marked (11 of 15). Signing examples in Python, Java and C++, and error families with numbered codes and explanations (13 of 15). Version v2 in the path and header, a dated changelog from 7 April 2023 to 28 August 2026, and a 410.001 code for deprecated endpoints, with no stated notice period (13 of 15). 0 + 0 + 14 + 11 + 13 + 13 = 51.\n- HTX trading API (40): No OpenAPI or other machine-readable contract found in the docs or the GitHub accounts (0). No llms.txt on htx.com, and the readable reference is a static page (0). Each endpoint states its purpose and parameters, without when-to-use guidance (12 of 20). Parameter tables carry types, required flags and enums for order types and states (10 of 15). Request and response examples throughout and error-code tables with messages (11 of 15). Versions v1 and v2 are mixed in one reference whose last changelog entry is 24 June 2022, while HTX's newer docs on htx.com couldn't be read (7 of 15). 0 + 0 + 12 + 10 + 11 + 7 = 40.\n\n### Agent ergonomics: HTX trading API +11\n\n- Bitstamp API (58): Graded on the REST API. Order book grouping and transaction time windows size responses, but there is no field selection and no MCP surface (15 of 25). Offset, limit, since and sort on transaction history, `until_id` windows on order-data replay (14 of 20). `response_code` and `response_explanation` name the failure, such as 400.009 insufficient balance, 403.004 trading blocked and 500.025 insufficient liquidity (16 of 20). No idempotency, since `client_order_id` duplicates are allowed since November 2023 and the docs say only to check the order id after a timeout; the kill switch limits damage (8 of 20). Few required parameters, but no official SDK in any language (5 of 15). 15 + 14 + 16 + 8 + 5 = 58.\n- HTX trading API (69): Graded on the REST API. Responses can be sized with depth types, size and limit parameters on books, candles and history (15 of 25). Paging by from, size and direct on orders and history (14 of 20). Errors return err-code strings with messages, listed in tables (13 of 20). A client-order-id unique within 8 hours and idempotent withdrawal ids make retries safe, with no idempotency header on other writes (14 of 20). Few required parameters and official SDKs in five languages (13 of 15). 15 + 14 + 13 + 14 + 13 = 69.\n\n### Security \u0026 auth: Bitstamp API +9\n\n- Bitstamp API (60): Revocable HMAC-SHA256 keys with per-endpoint permissions, an IP allow-list, single-use nonces, a timestamp window, sub-account scoping and a one-call kill switch for every key; no key expiry found (24 of 30). Permissions are chosen per endpoint and withdrawals can need Travel Rule address verification, but whether a withdrawal address allow-list exists sits in the unread account settings and no confirmation step is documented for API withdrawals (14 of 20). The API returns exchange data, not third-party text (10). No per-key audit log found; the account's transaction history is the record (4 of 15). security.txt names HackerOne's Robinhood programme but expired on 12 July 2026; no certification page was readable (8 of 20). 24 + 14 + 10 + 4 + 8 = 60.\n- HTX trading API (51): HMAC-signed keys with Read, Trade and Withdraw permissions, sub-user keys without Withdraw, up to 20 bound IPs, revocation in the account and a 90-day expiry without IP binding. The AccessKeyId and the HMAC signature travel as query parameters; the secret does not, so no deduction for a secret in the URL (24 of 30). Read-only keys and withdraw-free keys exist; no server-side confirmation for orders or withdrawals (14 of 20). The API returns the exchange's own data, no untrusted content (10). No per-call log or key-use history found for the operator (3 of 15). No security.txt, disclosure policy or certification found on the pages that loaded (0 of 20). 24 + 14 + 10 + 3 + 0 = 51.\n\n## Score by category\n\n| Category | Weight | Bitstamp API | HTX trading API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 63 | 38 | Bitstamp API +25 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 51 | 40 | Bitstamp API +11 |\n| Agent ergonomics | 13% (16.2 this run) | 58 | 69 | HTX trading API +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 60 | 51 | Bitstamp API +9 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 15 | Bitstamp API +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 28 | 57 | HTX trading API +29 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 53 | 25 | Bitstamp API +28 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **50.4 · D** | **43.3 · E** | |\n\n## Facts side by side\n\n| Fact | Bitstamp API | HTX trading API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Bitstamp Ltd. | HTX |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports |  |  |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | Proprietary hosted API under Bitstamp's terms of use, which our reader couldn't load | none |\n| Tools exposed | none | 0 |\n| Read-only variant documented | no | no |\n| llms.txt | no | no |\n| Last release | 2026-08-28 | 2026-10-21 |\n| Terms last updated | couldn't be read | no date given |\n| Privacy policy last updated | couldn't be read | no document linked |\n| Customer content may train models | couldn't be read | not found in the text |\n| Terms restrict automated access | couldn't be read | not found in the text |\n| Terms restrict benchmarking | couldn't be read | not found in the text |\n| Terms or service can change without notice | couldn't be read | yes |\n| Arbitration or class-action waiver | couldn't be read | yes |\n| Popularity | none | 684 stars |\n\n## Verdicts\n\n**Bitstamp API.** Bitstamp documents its v2 API on one static page with numeric rate limits, per-endpoint key permissions, an IP allow-list, a kill switch and a sandbox. There is no official MCP server, duplicate client order ids are allowed, and the fee schedule, terms, privacy policy and country list render by script and could not be read.\n\n**HTX trading API.** HTX's API has per-endpoint rate limits, read, trade and withdraw key permissions with IP binding, and SDKs in five languages. No official MCP server exists, the testnet is closed, the public reference is still Huobi's with a 2022 changelog, and the fee schedule, terms and restricted countries are on script-drawn pages we couldn't read.\n\n## Before you call either\n\n### Bitstamp API\n\n1. Mint a key with only the endpoint permissions the task needs and an IP allow-list; keep `revoke_all_api_keys` in reach as a kill switch\n2. Treat `client_order_id` as a label, not a guard. On a timeout (500.016) fetch the order by client id before resending, because duplicates are accepted\n3. Use a fresh 36-character nonce and a timestamp within 150 seconds of server time on every request, or expect API0004 and API0017\n4. Stay under 400 requests a second and 10,000 per 10 minutes; 400.002 and 400.067 mean back off, and open-orders answers are cached for 10 seconds\n5. Start on sandbox.bitstamp.net with the same paths, and read the fee schedule in a browser before quoting costs, since it is unreadable to a plain fetch\n\n### HTX trading API\n\n1. Ask the operator for a key with Read and Trade only and bound to your IP addresses; a key without IP binding expires after 90 days\n2. Send a fresh client-order-id of up to 64 characters with every order and reuse it only on retry; a repeat within 8 hours answers invalid.client.order.id\n3. Watch X-HB-RateLimit-Requests-Remain and pace at under 100 order calls per 2 seconds per UID; limits are shared by every key on the account\n4. There is no testnet; try order logic with the smallest size the market allows\n5. Confirm the person's country is served before trading; the restricted list in the user agreement couldn't be read here\n\n## Questions\n\n### Which is better for AI agents, Bitstamp API or HTX trading API?\n\nBitstamp API scores 50.4 (D) on agent readiness against HTX trading API's 43.3 (E), and leads in 5 of 7 scored categories. HTX trading API leads on agent ergonomics and maintenance \u0026 community.\n\n### Do Bitstamp API and HTX trading API need an API key?\n\nBoth need an API key.\n\n### Can an agent call Bitstamp API and HTX trading API without installing anything?\n\nNo hosted endpoint is listed for Bitstamp API. No hosted endpoint is listed for HTX trading API.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/bitstamp-vs-htx.json, and with the fewest tokens: https://www.anchorterminal.com/compare/bitstamp-vs-htx.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"bitstamp\", \"b\": \"htx\"}`. From a terminal: `anchor compare bitstamp htx`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/bitstamp.json and https://www.anchorterminal.com/api/v1/tools/htx.json\n\n## Other comparisons with Bitstamp API or HTX trading API\n\n- [Bitfinex API vs Bitstamp API](https://www.anchorterminal.com/compare/bitfinex-vs-bitstamp.md)\n- [Bitfinex API vs HTX trading API](https://www.anchorterminal.com/compare/bitfinex-vs-htx.md)\n- [Bitget vs Bitstamp API](https://www.anchorterminal.com/compare/bitget-vs-bitstamp.md)\n- [Bitget vs HTX trading API](https://www.anchorterminal.com/compare/bitget-vs-htx.md)\n- [Bithumb Open API vs Bitstamp API](https://www.anchorterminal.com/compare/bithumb-vs-bitstamp.md)\n- [Bithumb Open API vs HTX trading API](https://www.anchorterminal.com/compare/bithumb-vs-htx.md)\n- [Bitstamp API vs Bybit](https://www.anchorterminal.com/compare/bitstamp-vs-bybit.md)\n- [Bitstamp API vs Coinbase Advanced Trade API](https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-advanced-trade.md)\n- [Bitstamp API vs Coinbase MCP server (Coinbase for Agents)](https://www.anchorterminal.com/compare/bitstamp-vs-coinbase-mcp.md)\n- [Bitstamp API vs Crypto.com Exchange API](https://www.anchorterminal.com/compare/bitstamp-vs-crypto-com-exchange.md)\n- [Bitstamp API vs Deribit](https://www.anchorterminal.com/compare/bitstamp-vs-deribit.md)\n- [Bitstamp API vs dYdX](https://www.anchorterminal.com/compare/bitstamp-vs-dydx.md)\n- [Bitstamp API vs Gate](https://www.anchorterminal.com/compare/bitstamp-vs-gate-io.md)\n- [Bitstamp API vs Gemini Exchange API](https://www.anchorterminal.com/compare/bitstamp-vs-gemini-exchange.md)\n- [Bitstamp API vs Hyperliquid](https://www.anchorterminal.com/compare/bitstamp-vs-hyperliquid.md)\n- [Bitstamp API vs Kraken API](https://www.anchorterminal.com/compare/bitstamp-vs-kraken.md)\n- [Bitstamp API vs KuCoin](https://www.anchorterminal.com/compare/bitstamp-vs-kucoin.md)\n- [Bitstamp API vs MEXC API](https://www.anchorterminal.com/compare/bitstamp-vs-mexc.md)\n- [Bitstamp API vs OKX API](https://www.anchorterminal.com/compare/bitstamp-vs-okx.md)\n- [Bitstamp API vs Uniswap Trading API](https://www.anchorterminal.com/compare/bitstamp-vs-uniswap.md)\n- [Bitstamp API vs Upbit Open API](https://www.anchorterminal.com/compare/bitstamp-vs-upbit.md)\n- [Bybit vs HTX trading API](https://www.anchorterminal.com/compare/bybit-vs-htx.md)\n- [Crypto.com Exchange API vs HTX trading API](https://www.anchorterminal.com/compare/crypto-com-exchange-vs-htx.md)\n- [Gate vs HTX trading API](https://www.anchorterminal.com/compare/gate-io-vs-htx.md)\n- [Gemini Exchange API vs HTX trading API](https://www.anchorterminal.com/compare/gemini-exchange-vs-htx.md)\n- [HTX trading API vs Hyperliquid](https://www.anchorterminal.com/compare/htx-vs-hyperliquid.md)\n- [HTX trading API vs Kraken API](https://www.anchorterminal.com/compare/htx-vs-kraken.md)\n- [HTX trading API vs KuCoin](https://www.anchorterminal.com/compare/htx-vs-kucoin.md)\n- [HTX trading API vs MEXC API](https://www.anchorterminal.com/compare/htx-vs-mexc.md)\n- [HTX trading API vs OKX API](https://www.anchorterminal.com/compare/htx-vs-okx.md)\n- [HTX trading API vs Uniswap Trading API](https://www.anchorterminal.com/compare/htx-vs-uniswap.md)\n- [HTX trading API vs Upbit Open API](https://www.anchorterminal.com/compare/htx-vs-upbit.md)\n- [Binance API vs Bitstamp API](https://www.anchorterminal.com/compare/binance-vs-bitstamp.md)\n- [Binance API vs HTX trading API](https://www.anchorterminal.com/compare/binance-vs-htx.md)\n- [Coinbase Advanced Trade API vs HTX trading API](https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-htx.md)\n- [Coinbase MCP server (Coinbase for Agents) vs HTX trading API](https://www.anchorterminal.com/compare/coinbase-mcp-vs-htx.md)\n- [Deribit vs HTX trading API](https://www.anchorterminal.com/compare/deribit-vs-htx.md)\n- [dYdX vs HTX trading API](https://www.anchorterminal.com/compare/dydx-vs-htx.md)\n",
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