{ "data": { "a": { "slug": "dydx", "name": "dYdX", "vendor": "dYdX Trading Inc.", "vendorUrl": "https://www.dydx.xyz", "kind": "http-api", "category": "crypto-exchanges", "summary": "dYdX is a perpetuals exchange on its own Cosmos chain. Agents read markets and accounts from the indexer REST and WebSocket API at indexer.dydx.trade and place orders as signed chain transactions through the official TypeScript, Python and Rust clients.", "url": "https://www.anchorterminal.com/tools/dydx", "markdownUrl": "https://www.anchorterminal.com/tools/dydx.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/dydx.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/dydx.json", "dns": "dydx.grade.anchorterminal.com", "repo": "https://github.com/dydxprotocol/v4-clients", "license": "The clients are AGPL-3.0 with a use condition tied to the v4 Terms of Use; the chain software (dydxprotocol/v4-chain) carries a custom licence GitHub cannot classify. The hosted indexer at indexer.dydx.trade and the front end are run by third parties, not dYdX Trading Inc.", "transports": [], "packages": [ { "registry": "npm", "name": "@dydxprotocol/v4-client-js" }, { "registry": "pypi", "name": "dydx-v4-client" } ], "auth": "mixed", "authNotes": "Indexer reads need no credential. Orders, cancels and transfers are chain messages signed with the account's key (a mnemonic or private key in the clients). Permissioned keys let an owner add an authenticator that lets another key act within limits, composed from SignatureVerification, MessageFilter (for example only /dydxprotocol.clob.MsgPlaceOrder), SubaccountFilter and ClobPairIdFilter under AllOf or AnyOf, and removed with remove_authenticator. The dydx.trade interface generates an API wallet with default permission to trade all cross-margin pairs and shows its private key once (https://docs.dydx.xyz/concepts/trading/authenticators, checked 2026-11-03).", "pricing": "usage", "pricingNotes": "The indexer and clients have no charge. Trading fees at the lowest tier (under $1 million of 30-day volume) are 5.0 bps taker and 1.0 bps maker, set by governance, uniform across markets, with gas on each transaction; fees flow to validators and stakers (https://docs.dydx.xyz/concepts/trading/rewards, checked 2026-11-03).", "priceSummary": "0.05% fee", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs or clients (checked 2026-11-03). Accounts are funded with USDC through Noble or an onboarding partner.", "endpoints": [] }, "toolCount": 0, "popularity": { "githubStars": 119, "npmWeekly": 86394, "pypiWeekly": null, "asOf": "2026-11-03" }, "docsUrl": "https://docs.dydx.xyz/", "llmsTxt": "https://docs.dydx.xyz/llms.txt", "capabilities": [ "exchange.derivatives", "exchange.market-data", "exchange.balances", "exchange.transfers", "exchange.staking", "market.crypto", "wallet.onchain" ], "tags": [ "official", "hosted", "open-source", "llms-txt", "typescript", "python", "rust", "sandbox", "usage-priced", "status-page", "bug-bounty", "no-key", "rest" ], "lastRelease": "2026-10-29", "graded": true, "anchor": { "graded": true, "score": 69.5, "grade": "B", "agentReady": false, "rank": 221, "ranked": true, "rankOf": 1349, "categoryRank": 3, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 66, "maintenance": 83, "payments": 60, "reliability": 83, "schema": 58, "security": 78, "transparency": 50 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-03" }, "negative": 0, "verdict": "dYdX gives an agent keyless indexer reads, permissioned keys limited by message type, subaccount and market, a Statuspage with a clean 90 days, published fees and a testnet with a faucet. There is no official MCP server or OpenAPI file, orders are chain transactions signed by the clients, and no one entity operates the hosted endpoints.", "bestFor": "An agent trading perpetuals from its own Cosmos wallet or through a permissioned key on an owner's account, outside the US, Canada and UK.", "strengths": [ "Permissioned keys limit a delegated key to chosen message types, subaccounts and markets, exclude withdrawals and transfers, and are removed with `remove_authenticator`", "status.dydx.trade lists Indexer, Chain, Order Gateway and Client Libraries components, with only maintenance windows and one partner deposit delay in the last 90 days", "Fees public at 5.0 bps taker and 1.0 bps maker at the lowest tier, with rate limits and block limits stated with numbers", "Official TypeScript, Python and Rust clients with CI and trusted publishing, and a testnet with a faucet", "A Cantina bug bounty up to $1,000,000 sponsored by dYdX Trading Inc. covering the protocol, indexer, web client and client SDKs" ], "weaknesses": [ "No official MCP server; the one registry entry is a third party's analytics server", "No OpenAPI file for the indexer; error responses are described by HTTP status only, and chain rejections surface as transaction results", "No 429 handling or Retry-After documented for the indexer; permissioned keys cannot cap position or order size", "The hosted indexer and front end are run by unnamed third parties; dYdX Trading Inc. says it runs none of the components", "Restricted to persons outside the United States, Canada and the United Kingdom, with geo-blocking left to each integrator" ], "agentNotes": [ "Ask the account owner for an authenticator limited to `/dydxprotocol.clob.MsgPlaceOrder` and `MsgCancelOrder` on one subaccount, and keep its private key out of prompts", "Set a unique 32-bit `clientId` on every order and look it up on `/v4/orders` after a timeout; short-term orders expire with `goodTilBlock` (at most 20 blocks ahead)", "Stay under 2 stateful orders a block and 20 per 100 blocks; failed placements count, so use short-term orders for active trading", "Enable permessage-deflate on the indexer WebSocket; since 26 October 2026 connections without compression may be refused with 426", "Check `/v4/geo` and the compliance screen before trading for a person, since the terms exclude the United States, Canada and the United Kingdom" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 69.5 } ], "editorialScores": { "ergonomics": 66, "maintenance": 83, "payments": 60, "reliability": 83, "schema": 58, "security": 78, "transparency": 50 }, "provenanceScore": 50, "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": { "install": "npm install @dydxprotocol/v4-client-js", "http": "curl https://indexer.dydx.trade/v4/orderbooks/perpetualMarket/ETH-USD" }, "letme": { "capability": "https://letme.dev/exchange.derivatives", "tool": "https://letme.dev/dydx" }, "area": "payments", "unitPrices": [ { "item": "Taker fee, tier 1", "unit": "pct", "usd": 0.05, "note": "5.0 bps of notional; maker 1.0 bps" } ], "provenance": { "legalEntity": "dYdX Trading Inc.", "domain": "dydx.xyz", "domainRegistered": "", "endpointOnVendorDomain": false, "terms": "https://dydx.exchange/v4-terms", "privacy": "https://www.dydx.xyz/legal/privacy-policy", "statusPage": "https://status.dydx.trade", "changelog": "", "securityTxt": "unknown", "checked": "2026-11-03", "notes": [ "dYdX Trading Inc. is the entity in the v4 Terms of Use (last updated 12 March 2026), the clients' licence and the Cantina bug bounty. dydx.xyz's terms and privacy policy (6 June 2025) name dYdX International Ltd, Cayman Islands, and its footer reads dYdX International Ltd.", "The indexer at indexer.dydx.trade is not on dydx.xyz and the docs say dYdX Trading Inc. runs none of the hosted components, so the endpoint is recorded as off the vendor's domain.", "RDAP for dydx.trade answered 404 at the Identity Digital and rdap.org services, so the domain age is unchecked; the vendor domain dydx.xyz was not queried.", "status.dydx.trade is an Atlassian Statuspage with five components and an RSS history; its robots.txt disallows /api/ and /embed/, so the history was read from /history.rss.", "https://dydx.trade/.well-known/security.txt answered the app's HTML page, so security.txt is unknown. No API changelog; protocol upgrades appear as status maintenance entries." ], "score": 50 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/dydx.json", "live": { "slug": "dydx", "vendorStatus": { "page": "https://status.dydx.trade", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-04T20:05:06.117120724Z" }, "securityTxt": { "url": "https://dydx.xyz/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-04T15:54:03.349495473Z" }, "updatedAt": "2026-11-04T20:05:06.117120724Z" } }, "answer": "dYdX scores 69.5 (B) on agent readiness against MEXC API's 56.3 (C), and leads in 5 of 7 scored categories. MEXC API leads on schema \u0026 documentation and transparency \u0026 trust.", "b": { "slug": "mexc", "name": "MEXC API", "vendor": "MEXC (Comoros) Ltd", "vendorUrl": "https://www.mexc.com/mexc-api", "kind": "http-api", "category": "crypto-exchanges", "summary": "MEXC's spot and futures API gives programmatic access to market data, orders, balances, transfers and withdrawals over REST and WebSocket, with an official command-line tool that also runs as a local MCP server for AI agents.", "url": "https://www.anchorterminal.com/tools/mexc", "markdownUrl": "https://www.anchorterminal.com/tools/mexc.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/mexc.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/mexc.json", "dns": "mexc.grade.anchorterminal.com", "repo": "https://github.com/mexcdevelop", "transports": [ "stdio" ], "packages": [ { "registry": "npm", "name": "@mexc-ai/cli" } ], "auth": "api-key", "authNotes": "API keys made at mexc.com/user/openapi after a browser sign-up; the futures API also needs identity verification. The key goes in the X-MEXC-APIKEY header and signed endpoints carry an HMAC SHA256 signature with a timestamp and a recvWindow of up to 60 seconds. Permissions are granular (SPOT_ACCOUNT_READ, SPOT_DEAL_WRITE, SPOT_WITHDRAW_WRITE, SPOT_TRANSFER_WRITE and the futures equivalents), a key can be limited to chosen trading pairs and linked to up to 10 IP addresses, and a key with no linked IP is valid for 90 days and can be renewed for 90 more from 5 days before expiry. Up to 30 keys per account (https://www.mexc.com/api-docs/spot-v3/introduction, checked 2026-11-03).", "pricing": "usage", "pricingNotes": "Trading fees per fill. MEXC's own fee guide of 20 October 2026 gives spot 0 per cent maker and 0.05 per cent taker (0.04 per cent with MX deduction), futures from 0 per cent maker and 0.02 per cent taker on BTCUSDT to 0.01 and 0.04 per cent on standard contracts, and a separate API futures schedule of 0.06 per cent maker and 0.08 per cent taker since 1 June 2026. Zero-fee campaigns and MX discounts don't apply to API trading. The fee page itself is drawn by script. Market data needs no key (https://www.mexc.com/learn/article/17827791510370, checked 2026-11-03).", "priceSummary": "0.05% fee", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the API docs, the CLI docs, llms.txt or the terms (checked 2026-11-03). Fees are taken from each fill.", "endpoints": [] }, "toolCount": 299, "popularity": { "githubStars": 315, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-03" }, "docsUrl": "https://www.mexc.com/api-docs/spot-v3/introduction", "llmsTxt": "https://www.mexc.com/llms.txt", "capabilities": [ "exchange.market-data", "exchange.spot-trading", "exchange.derivatives", "exchange.balances", "exchange.transfers", "market.crypto" ], "tags": [ "hosted", "api-key", "closed-source", "usage-priced", "mcp", "cli", "agent-skills", "read-only-mode", "llms-txt", "python", "java", "go", "no-status-page" ], "lastRelease": "2026-10-23", "graded": true, "anchor": { "graded": true, "score": 56.3, "grade": "C", "agentReady": false, "rank": 791, "ranked": true, "rankOf": 1349, "categoryRank": 13, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 64, "maintenance": 75, "payments": 31, "reliability": 43, "schema": 64, "security": 65, "transparency": 58 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-03" }, "negative": 0, "verdict": "MEXC publishes granular key permissions, per-pair key limits, weighted rate limits with Retry-After and a dated changelog, and its official CLI runs a read-only-capable MCP server with confirmation before any fund movement. There is no sandbox or status page, API futures orders pay a higher fee schedule, and the user agreement excludes the US, UK, EU members and others.", "bestFor": "Spot and futures for agents in served countries that want a vendor-built MCP server with read-only and confirmation modes.", "strengths": [ "Granular key permissions (account read, trade, withdraw, transfer), per-pair restriction, up to 10 linked IPs and a 90-day expiry for unbound keys", "An official MCP mode in the `@mexc-ai/cli` tool with `--read-only`, a read-only market subset of 22 tools and a confirmation step before orders and transfers", "Rate limits published as weight buckets per IP and UID, with Retry-After on 429 and 418", "A dated changelog of 72 spot and 26 futures entries, the newest 23 October 2026", "Fees published on MEXC's own pages, with the API futures schedule stated separately" ], "weaknesses": [ "No sandbox or testnet; only an order-validation endpoint", "No status page, incident history or SLA", "The MCP server is local only, not in the official MCP registry, and the CLI is UNLICENSED with no public source", "API futures orders pay 0.06 per cent maker and 0.08 per cent taker, and zero-fee campaigns exclude API trading", "The user agreement bars users in the United States, the United Kingdom, Mainland China, Singapore, Hong Kong, Canada, France and other jurisdictions" ], "agentNotes": [ "Use a key limited to SPOT_ACCOUNT_READ and SPOT_DEAL_WRITE, the pairs you trade and your IP addresses; keys without a linked IP expire after 90 days", "Start the MCP server as `mexc mcp spot --read-only` unless the task trades, and never pass `--yes`; orders and transfers wait for the person's confirmation", "Call POST /api/v3/order/test before a live order, since there is no sandbox", "On 429 or 418 wait for Retry-After; order placement and cancellation share 12 requests a second per UID, and repeated breaches ban the IP for up to 3 days", "Treat a 5xx on an order as unknown, not failed, and query the order before retrying; set newClientOrderId so the order can be found" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 56.3 } ], "editorialScores": { "ergonomics": 64, "maintenance": 75, "payments": 31, "reliability": 43, "schema": 64, "security": 65, "transparency": 38 }, "provenanceScore": 78, "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": { "install": "npm install -g @mexc-ai/cli", "http": "curl 'https://api.mexc.com/api/v3/ticker/price?symbol=BTCUSDT'", "config": { "mcpServers": { "mexc-spot": { "args": [ "mcp", "spot", "--read-only" ], "command": "mexc" } } } }, "letme": { "capability": "https://letme.dev/exchange.market-data", "tool": "https://letme.dev/mexc" }, "area": "payments", "unitPrices": [ { "item": "Spot taker fee", "unit": "pct", "usd": 0.05, "note": "maker 0 per cent; 0.04 per cent with MX deduction, not for API trading" }, { "item": "API futures taker fee", "unit": "pct", "usd": 0.08, "note": "maker 0.06 per cent, since 1 June 2026, outside the Innovation Zone" } ], "provenance": { "legalEntity": "MEXC (Comoros) Ltd", "domain": "mexc.com", "domainRegistered": "2000-02-27", "endpointOnVendorDomain": true, "terms": "https://www.mexc.com/terms", "privacy": "https://www.mexc.com/privacypolicy", "statusPage": "", "changelog": "https://www.mexc.com/api-docs/spot-v3/change-log", "securityTxt": "none", "checked": "2026-11-03", "notes": [ "MEXC (Comoros) Ltd is named in the user agreement, last updated 13 October 2026, with a registered address in Mutsamudu, Anjouan. The privacy policy, last updated 1 June 2026, names no entity.", "RDAP gives mexc.com a registration date of 27 February 2000; the exchange says it began in 2018, so the domain predates it.", "www.mexc.com/robots.txt allows the root and disallows /user/, /orders/ and some locale paths; it lists llms.txt as a sitemap. mexcdevelop.github.io has no robots.txt.", "https://www.mexc.com/.well-known/security.txt answered 404. status.mexc.com does not resolve; no status page was found.", "The fee page at mexc.com/fee is drawn by script; the fee figures come from MEXC's own fee guide and a 2024 announcement." ], "score": 78 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/mexc.json", "live": { "slug": "mexc", "securityTxt": { "url": "https://mexc.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-04T15:54:36.213483882Z" }, "updatedAt": "2026-11-04T15:54:36.213483882Z" } }, "edges": [ { "by": 40, "category": "reliability", "leads": "dydx", "name": "Reliability", "reasons": { "a": "Read with the hosted lines on the indexer API and the chain endpoints the clients submit to. status.dydx.trade is an Atlassian Statuspage with Frontends, dYdX Chain, Indexer, Order Gateway and Client Libraries components and an RSS history (20). From 1 August to 3 November 2026 the feed has eight items, seven scheduled maintenance windows of 29 minutes to 2 hours (indexer on 9 September, 8 and 15 October, protocol v9.7 on 11 September and v9.8.0 on 12 October, WebSocket compression on 26 and 28 October) and one degraded instant-deposit path through an onboarding partner from 24 to 29 September, outside the trading API. Clean or trivial (30). Rate limits documented with numbers for the indexer, the block limits and the public nodes (15). No 429 shape or Retry-After for the indexer; short-term orders expire by `goodTilBlock` and client IDs let an agent find an order after a timeout (8 of 15). No SLA (0). Mainnet generally available; the Order Entry Gateway is marked testnet-only (10). 20 + 30 + 15 + 8 + 0 + 10 = 83.", "b": "Read with the hosted lines. No status page found; status.mexc.com does not resolve and llms.txt points to a maintenance-updates feed (0). No readable incident history (5). Rate limits documented with numbers, 300 weight per 10 seconds per IP, 500 per UID, 12 order requests a second per UID, 100 WebSocket messages a second (15). 429 and 418 carry Retry-After with ban lengths stated, a 5xx is to be treated as unknown rather than failed, an order-test endpoint exists, and newClientOrderId is optional with no idempotency promise (13 of 15). No SLA found (0). Spot and futures are generally available, futures order placement having reopened on 31 March 2026 after being closed since July 2022 (10). 0 + 5 + 15 + 13 + 0 + 10 = 43." }, "scores": { "a": 83, "b": 43 } }, { "by": 29, "category": "payments", "leads": "dydx", "name": "Payments \u0026 pricing", "reasons": { "a": "No machine payment protocol (0). Fees public per tier without login (20). Testnet with a faucet and no card anywhere (20). No signup; an agent with a funded wallet trades, subject to the geographic terms (20). Total 60.", "b": "No machine payment protocol (0). Fees published without login on MEXC's own fee guide (20 October 2026) and a 2024 announcement, with a separate API futures schedule; the fee page itself is drawn by script (16 of 20). Public market data needs no key or card; trading needs a verified and funded account. Judgement call (15 of 20). A person must sign up in a browser, and futures need identity verification (0). 0 + 16 + 15 + 0 = 31." }, "scores": { "a": 60, "b": 31 } }, { "by": 13, "category": "security", "leads": "dydx", "name": "Security \u0026 auth", "reasons": { "a": "Orders are signed by the account key or by a permissioned key the owner adds as an authenticator, limited by message type, subaccount and market with AllOf or AnyOf, and revoked by `remove_authenticator`; no shared secret and nothing in a URL (28 of 30). A key can be confined to placing and cancelling orders on one subaccount with withdrawals and transfers excluded, though not to a position or order size, and the interface's default API wallet trades all cross-margin pairs (16 of 20). The API returns no untrusted content (10). Every action is a chain transaction and the indexer lists fills, orders and transfers per subaccount, and authenticators can be listed; no per-key log (10 of 15). A Cantina bug bounty up to $1,000,000 sponsored by dYdX Trading Inc. over the protocol, indexer, web client and SDKs, an Informal Systems audit; no security.txt and no certification (14 of 20). Total 78.", "b": "Granular permissions (account read, trade, withdraw, transfer), per-pair restriction, up to 10 linked IPs, 90-day expiry without an IP, renewal and revocation in the account, 30 keys per account (26 of 30). A read-only MCP mode that hides write tools, a confirmation step before orders and transfers in the CLI and MCP, and --yes that agents are told not to add; nothing server-side confirms an API order (17 of 20). The API returns exchange data, and the CLI security page warns that agents may be led by web pages or files into unwanted actions (12 of 15). CLI confirmations are logged and reported to MEXC with no operator access described; an apiKeyInfo endpoint shows key settings (6 of 15). No security.txt, disclosure policy or bug bounty found; a proof-of-reserves page exists (4 of 20). 26 + 17 + 12 + 6 + 4 = 65." }, "scores": { "a": 78, "b": 65 } }, { "by": 8, "category": "maintenance", "leads": "dydx", "name": "Maintenance \u0026 community", "reasons": { "a": "Read on the clients and the chain. v4-clients was pushed on 29 October 2026 and protocol v9.8.0 shipped on 12 October (30). Protocol v9.7 on 11 September, v9.8.0 on 12 October, v4-client-js tags 3.5.0 and 3.6.0, three or more in 90 days (20). A Discord, a help centre and 36 open issues on v4-clients whose replies couldn't be read (12 of 25). Official SDKs current, the TypeScript client at 3.6.0 and the Python client at 1.1.6 from February 2026 (12 of 15). CI workflows for lint, test, publish and audit, with trusted publishing and provenance on npm (9 of 10). Total 83.", "b": "Read as a closed service. Last dated change 23 October 2026 in both the spot and futures logs (30). Spot entries on 14 August, 24 August, 11 September and 23 October 2026, futures on 1 September, 11 September, 19 October and 23 October (20). An API support Telegram group, a ticket form and dated changelogs; GitHub issues not read (10 of 15). The official SDK repository was last pushed in February 2024 while the CLI is current (10 of 15). The CLI ships platform binaries with no dependencies and no public repository or CI; the SDK is stale (5 of 10). 30 + 20 + 10 + 10 + 5 = 75." }, "scores": { "a": 83, "b": 75 } }, { "by": 8, "category": "transparency", "leads": "mexc", "name": "Transparency \u0026 trust", "reasons": { "a": "The editorial half. Clients AGPL-3.0 with a terms-bound use condition, the chain under a custom licence, two terms documents (dYdX Trading Inc.'s v4 terms of 12 March 2026 and dYdX International Ltd's of 6 June 2025) that are clear about who runs nothing (22 of 30). The privacy policy of 6 June 2025 names dYdX International Ltd, keeps technical data until no longer necessary with no periods, and names no subprocessors; nothing covers the unnamed indexer operator (12 of 30). Protocol upgrades and the WebSocket compression change were posted as dated maintenance notices, deprecated rate-limit fields are marked, but no deprecation policy or notice period is stated (10 of 20). The policy says data may be processed in the EEA and elsewhere, with no subprocessor list (6 of 20). Total 50.", "b": "The editorial half. A closed service with a dated user agreement naming MEXC (Comoros) Ltd; the CLI is UNLICENSED on npm (15 of 30). The privacy policy names no entity, states no retention periods and relies on standard contractual clauses for transfers (10 of 30). The changelog flags endpoints as \"will be discontinued soon\" without dates and the futures log records removals (8 of 20). Third parties are named by category only, with no subprocessor list or data locations (5 of 20). 15 + 10 + 8 + 5 = 38." }, "scores": { "a": 50, "b": 58 } }, { "by": 6, "category": "schema", "leads": "mexc", "name": "Schema \u0026 documentation", "reasons": { "a": "No OpenAPI file found for the indexer; the docs publish a types reference of about 200 pages (OrderSide, TimeInForce, OrderStatus and the rest) and the chain's protobuf messages are in the clients (8 of 25). llms.txt and Markdown docs (10). Endpoint pages describe each call and the guides say when to use short-term against long-term orders and the indexer against the node, but descriptions are short (12 of 20). Enums and types on every field in the reference, with pagination and cursor parameters typed (11 of 15). Examples in Python, TypeScript and Rust for each step; errors are described by HTTP status (400 malformed, 404 not found) with no code list (9 of 15). A /v4 path, protocol releases dated on the status page, deprecated rate-limit fields marked, but no API changelog (8 of 15). Total 58.", "b": "No OpenAPI found; a Postman collection and the CLI's 25 capability reference files are the nearest machine-readable contract (5 of 25). llms.txt on mexc.com, written for assistants and pointing at the API docs and legal pages (7 of 10). Per-endpoint pages with purpose, parameters and permissions, without when-not-to-use guidance (13 of 20). Typed parameters with enums for order types, statuses and intervals (11 of 15). Examples on each endpoint and a separate error-code page with numeric codes and messages (13 of 15). Versioned API (v3) with a dated changelog of 72 entries to 23 October 2026 (15). 5 + 7 + 13 + 11 + 13 + 15 = 64." }, "scores": { "a": 58, "b": 64 } } ], "facts": [ { "a": "HTTP API", "b": "HTTP API", "name": "Kind" }, { "a": "dYdX Trading Inc.", "b": "MEXC (Comoros) Ltd", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "stdio", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Pay per use", "b": "Pay per use", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "The clients are AGPL-3.0 with a use condition tied to the v4 Terms of Use; the chain software (dydxprotocol/v4-chain) carries a custom licence GitHub cannot classify. The hosted indexer at indexer.dydx.trade and the front end are run by third parties, not dYdX Trading Inc.", "b": "none", "name": "Licence" }, { "a": "0", "b": "299", "name": "Tools exposed" }, { "a": "no", "b": "yes", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-10-29", "b": "2026-10-23", "name": "Last release" }, { "a": "2026-03-12", "b": "2026-10-13", "name": "Terms last updated" }, { "a": "2025-06-06", "b": "2026-06-01", "name": "Privacy policy last updated" }, { "a": "not found in the text", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "yes", "name": "Terms restrict automated access" }, { "a": "not found in the text", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "yes", "b": "yes", "name": "Terms or service can change without notice" }, { "a": "yes", "b": "yes", "name": "Arbitration or class-action waiver" }, { "a": "119 stars, 86k npm/wk", "b": "315 stars", "name": "Popularity" } ], "faq": [ { "answer": "dYdX scores 69.5 (B) on agent readiness against MEXC API's 56.3 (C), and leads in 5 of 7 scored categories. MEXC API leads on schema \u0026 documentation and transparency \u0026 trust.", "question": "Which is better for AI agents, dYdX or MEXC API?" }, { "answer": "dYdX takes an API key or an OAuth sign-in. MEXC API needs an API key.", "question": "Do dYdX and MEXC API need an API key?" }, { "answer": "No hosted endpoint is listed for dYdX. MEXC API runs on your own machine, with no hosted endpoint listed.", "question": "Can an agent call dYdX and MEXC API without installing anything?" }, { "answer": "dYdX is open source (The clients are AGPL-3.0 with a use condition tied to the v4 Terms of Use; the chain software (dydxprotocol/v4-chain) carries a custom licence GitHub cannot classify. The hosted indexer at indexer.dydx.trade and the front end are run by third parties, not dYdX Trading Inc.). No open-source release is listed for MEXC API.", "question": "Are dYdX and MEXC API open source?" } ], "goodFor": [ { "aheadOn": [ "Reliability, 83 against 43", "Security \u0026 auth, 78 against 65", "Payments \u0026 pricing, 60 against 31", "Maintenance \u0026 community, 83 against 75" ], "also": [ "Open source" ], "goodFor": "An agent trading perpetuals from its own Cosmos wallet or through a permissioned key on an owner's account, outside the US, Canada and UK.", "slug": "dydx", "watchFor": "No official MCP server; the one registry entry is a third party's analytics server" }, { "aheadOn": [ "Schema \u0026 documentation, 64 against 58", "Transparency \u0026 trust, 58 against 50" ], "also": [ "Runs on your own machine" ], "goodFor": "Spot and futures for agents in served countries that want a vendor-built MCP server with read-only and confirmation modes.", "slug": "mexc", "watchFor": "No sandbox or testnet; only an order-validation endpoint" } ], "history": null, "job": { "capability": "exchange.derivatives", "name": "Exchange derivatives" }, "others": [ { "json": "https://www.anchorterminal.com/compare/bitfinex-vs-dydx.json", "title": "Bitfinex API vs dYdX", "url": "https://www.anchorterminal.com/compare/bitfinex-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/bitfinex-vs-mexc.json", "title": "Bitfinex API vs MEXC API", "url": "https://www.anchorterminal.com/compare/bitfinex-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/bitget-vs-dydx.json", "title": "Bitget vs dYdX", "url": "https://www.anchorterminal.com/compare/bitget-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/bitget-vs-mexc.json", "title": "Bitget vs MEXC API", "url": "https://www.anchorterminal.com/compare/bitget-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/bithumb-vs-dydx.json", "title": "Bithumb Open API vs dYdX", "url": "https://www.anchorterminal.com/compare/bithumb-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/bithumb-vs-mexc.json", "title": "Bithumb Open API vs MEXC API", "url": "https://www.anchorterminal.com/compare/bithumb-vs-mexc" }, { "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-mexc.json", "title": "Bitstamp API vs MEXC API", "url": "https://www.anchorterminal.com/compare/bitstamp-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/bybit-vs-dydx.json", "title": "Bybit vs dYdX", "url": "https://www.anchorterminal.com/compare/bybit-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/bybit-vs-mexc.json", "title": "Bybit vs MEXC API", "url": "https://www.anchorterminal.com/compare/bybit-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-dydx.json", "title": "Crypto.com Exchange API vs dYdX", "url": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-mexc.json", "title": "Crypto.com Exchange API vs MEXC API", "url": "https://www.anchorterminal.com/compare/crypto-com-exchange-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-uniswap.json", "title": "dYdX vs Uniswap Trading API", "url": "https://www.anchorterminal.com/compare/dydx-vs-uniswap" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-upbit.json", "title": "dYdX vs Upbit Open API", "url": "https://www.anchorterminal.com/compare/dydx-vs-upbit" }, { "json": "https://www.anchorterminal.com/compare/gate-io-vs-mexc.json", "title": "Gate vs MEXC API", "url": "https://www.anchorterminal.com/compare/gate-io-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/gemini-exchange-vs-mexc.json", "title": "Gemini Exchange API vs MEXC API", "url": "https://www.anchorterminal.com/compare/gemini-exchange-vs-mexc" }, { "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/kucoin-vs-mexc.json", "title": "KuCoin vs MEXC API", "url": "https://www.anchorterminal.com/compare/kucoin-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/mexc-vs-okx.json", "title": "MEXC API vs OKX API", "url": "https://www.anchorterminal.com/compare/mexc-vs-okx" }, { "json": "https://www.anchorterminal.com/compare/mexc-vs-uniswap.json", "title": "MEXC API vs Uniswap Trading API", "url": "https://www.anchorterminal.com/compare/mexc-vs-uniswap" }, { "json": "https://www.anchorterminal.com/compare/mexc-vs-upbit.json", "title": "MEXC API vs Upbit Open API", "url": "https://www.anchorterminal.com/compare/mexc-vs-upbit" }, { "json": "https://www.anchorterminal.com/compare/binance-vs-mexc.json", "title": "Binance API vs MEXC API", "url": "https://www.anchorterminal.com/compare/binance-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-mexc.json", "title": "Coinbase Advanced Trade API vs MEXC API", "url": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-mexc.json", "title": "Coinbase MCP server (Coinbase for Agents) vs MEXC API", "url": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/kraken-vs-mexc.json", "title": "Kraken API vs MEXC API", "url": "https://www.anchorterminal.com/compare/kraken-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/binance-vs-dydx.json", "title": "Binance API vs dYdX", "url": "https://www.anchorterminal.com/compare/binance-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-dydx.json", "title": "Coinbase Advanced Trade API vs dYdX", "url": "https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/deribit-vs-dydx.json", "title": "Deribit vs dYdX", "url": "https://www.anchorterminal.com/compare/deribit-vs-dydx" }, { "json": "https://www.anchorterminal.com/compare/deribit-vs-mexc.json", "title": "Deribit vs MEXC API", "url": "https://www.anchorterminal.com/compare/deribit-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-gate-io.json", "title": "dYdX vs Gate", "url": "https://www.anchorterminal.com/compare/dydx-vs-gate-io" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-gemini-exchange.json", "title": "dYdX vs Gemini Exchange API", "url": "https://www.anchorterminal.com/compare/dydx-vs-gemini-exchange" }, { "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" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-hyperliquid.json", "title": "dYdX vs Hyperliquid", "url": "https://www.anchorterminal.com/compare/dydx-vs-hyperliquid" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-kraken.json", "title": "dYdX vs Kraken API", "url": "https://www.anchorterminal.com/compare/dydx-vs-kraken" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-kucoin.json", "title": "dYdX vs KuCoin", "url": "https://www.anchorterminal.com/compare/dydx-vs-kucoin" }, { "json": "https://www.anchorterminal.com/compare/dydx-vs-okx.json", "title": "dYdX vs OKX API", "url": "https://www.anchorterminal.com/compare/dydx-vs-okx" }, { "json": "https://www.anchorterminal.com/compare/hyperliquid-vs-mexc.json", "title": "Hyperliquid vs MEXC API", "url": "https://www.anchorterminal.com/compare/hyperliquid-vs-mexc" }, { "json": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-dydx.json", "title": "Coinbase MCP server (Coinbase for Agents) vs dYdX", "url": "https://www.anchorterminal.com/compare/coinbase-mcp-vs-dydx" } ], "panel": null, "scores": [ { "by": 40, "dydx": 83, "edge": "dydx", "key": "reliability", "mexc": 43, "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 6, "dydx": 58, "edge": "mexc", "key": "schema", "mexc": 64, "name": "Schema \u0026 documentation", "weight": 13 }, { "by": 2, "dydx": 66, "edge": "dydx", "key": "ergonomics", "mexc": 64, "name": "Agent ergonomics", "weight": 13 }, { "by": 13, "dydx": 78, "edge": "dydx", "key": "security", "mexc": 65, "name": "Security \u0026 auth", "weight": 14 }, { "by": 29, "dydx": 60, "edge": "dydx", "key": "payments", "mexc": 31, "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 8, "dydx": 83, "edge": "dydx", "key": "maintenance", "mexc": 75, "name": "Maintenance \u0026 community", "weight": 7 }, { "by": 8, "dydx": 50, "edge": "mexc", "key": "transparency", "mexc": 58, "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "dYdX scores 69.5 (B) on agent readiness against MEXC API's 56.3 (C), and leads in 5 of 7 scored categories. MEXC API leads on schema \u0026 documentation and transparency \u0026 trust. Both do exchange derivatives.", "tasks": null, "tutorials": [], "verdicts": { "dydx": "dYdX gives an agent keyless indexer reads, permissioned keys limited by message type, subaccount and market, a Statuspage with a clean 90 days, published fees and a testnet with a faucet. There is no official MCP server or OpenAPI file, orders are chain transactions signed by the clients, and no one entity operates the hosted endpoints.", "mexc": "MEXC publishes granular key permissions, per-pair key limits, weighted rate limits with Retry-After and a dated changelog, and its official CLI runs a read-only-capable MCP server with confirmation before any fund movement. There is no sandbox or status page, API futures orders pay a higher fee schedule, and the user agreement excludes the US, UK, EU members and others." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/dydx-vs-mexc", "json": "https://www.anchorterminal.com/compare/dydx-vs-mexc.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/dydx-vs-mexc.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/dydx-vs-mexc.min.md" }, "markdown": "dYdX scores 69.5 (B) on agent readiness against MEXC API's 56.3 (C), and leads in 5 of 7 scored categories. MEXC API leads on schema \u0026 documentation and transparency \u0026 trust. Both do exchange derivatives.\n\n- dYdX: grade B, 69.5/100, rank #221 of 1349. Markdown https://www.anchorterminal.com/tools/dydx.md · JSON https://www.anchorterminal.com/api/v1/tools/dydx.json\n- MEXC API: grade C, 56.3/100, rank #791 of 1349. Markdown https://www.anchorterminal.com/tools/mexc.md · JSON https://www.anchorterminal.com/api/v1/tools/mexc.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### dYdX (B)\n\nGood for: An agent trading perpetuals from its own Cosmos wallet or through a permissioned key on an owner's account, outside the US, Canada and UK.\n\nAhead on:\n- Reliability, 83 against 43\n- Security \u0026 auth, 78 against 65\n- Payments \u0026 pricing, 60 against 31\n- Maintenance \u0026 community, 83 against 75\n\nAlso in its favour:\n- Open source\n\nWatch for: No official MCP server; the one registry entry is a third party's analytics server\n\n### MEXC API (C)\n\nGood for: Spot and futures for agents in served countries that want a vendor-built MCP server with read-only and confirmation modes.\n\nAhead on:\n- Schema \u0026 documentation, 64 against 58\n- Transparency \u0026 trust, 58 against 50\n\nAlso in its favour:\n- Runs on your own machine\n\nWatch for: No sandbox or testnet; only an order-validation endpoint\n\n\n## Why the edge\n\n### Reliability: dYdX +40\n\n- dYdX (83): Read with the hosted lines on the indexer API and the chain endpoints the clients submit to. status.dydx.trade is an Atlassian Statuspage with Frontends, dYdX Chain, Indexer, Order Gateway and Client Libraries components and an RSS history (20). From 1 August to 3 November 2026 the feed has eight items, seven scheduled maintenance windows of 29 minutes to 2 hours (indexer on 9 September, 8 and 15 October, protocol v9.7 on 11 September and v9.8.0 on 12 October, WebSocket compression on 26 and 28 October) and one degraded instant-deposit path through an onboarding partner from 24 to 29 September, outside the trading API. Clean or trivial (30). Rate limits documented with numbers for the indexer, the block limits and the public nodes (15). No 429 shape or Retry-After for the indexer; short-term orders expire by `goodTilBlock` and client IDs let an agent find an order after a timeout (8 of 15). No SLA (0). Mainnet generally available; the Order Entry Gateway is marked testnet-only (10). 20 + 30 + 15 + 8 + 0 + 10 = 83.\n- MEXC API (43): Read with the hosted lines. No status page found; status.mexc.com does not resolve and llms.txt points to a maintenance-updates feed (0). No readable incident history (5). Rate limits documented with numbers, 300 weight per 10 seconds per IP, 500 per UID, 12 order requests a second per UID, 100 WebSocket messages a second (15). 429 and 418 carry Retry-After with ban lengths stated, a 5xx is to be treated as unknown rather than failed, an order-test endpoint exists, and newClientOrderId is optional with no idempotency promise (13 of 15). No SLA found (0). Spot and futures are generally available, futures order placement having reopened on 31 March 2026 after being closed since July 2022 (10). 0 + 5 + 15 + 13 + 0 + 10 = 43.\n\n### Payments \u0026 pricing: dYdX +29\n\n- dYdX (60): No machine payment protocol (0). Fees public per tier without login (20). Testnet with a faucet and no card anywhere (20). No signup; an agent with a funded wallet trades, subject to the geographic terms (20). Total 60.\n- MEXC API (31): No machine payment protocol (0). Fees published without login on MEXC's own fee guide (20 October 2026) and a 2024 announcement, with a separate API futures schedule; the fee page itself is drawn by script (16 of 20). Public market data needs no key or card; trading needs a verified and funded account. Judgement call (15 of 20). A person must sign up in a browser, and futures need identity verification (0). 0 + 16 + 15 + 0 = 31.\n\n### Security \u0026 auth: dYdX +13\n\n- dYdX (78): Orders are signed by the account key or by a permissioned key the owner adds as an authenticator, limited by message type, subaccount and market with AllOf or AnyOf, and revoked by `remove_authenticator`; no shared secret and nothing in a URL (28 of 30). A key can be confined to placing and cancelling orders on one subaccount with withdrawals and transfers excluded, though not to a position or order size, and the interface's default API wallet trades all cross-margin pairs (16 of 20). The API returns no untrusted content (10). Every action is a chain transaction and the indexer lists fills, orders and transfers per subaccount, and authenticators can be listed; no per-key log (10 of 15). A Cantina bug bounty up to $1,000,000 sponsored by dYdX Trading Inc. over the protocol, indexer, web client and SDKs, an Informal Systems audit; no security.txt and no certification (14 of 20). Total 78.\n- MEXC API (65): Granular permissions (account read, trade, withdraw, transfer), per-pair restriction, up to 10 linked IPs, 90-day expiry without an IP, renewal and revocation in the account, 30 keys per account (26 of 30). A read-only MCP mode that hides write tools, a confirmation step before orders and transfers in the CLI and MCP, and --yes that agents are told not to add; nothing server-side confirms an API order (17 of 20). The API returns exchange data, and the CLI security page warns that agents may be led by web pages or files into unwanted actions (12 of 15). CLI confirmations are logged and reported to MEXC with no operator access described; an apiKeyInfo endpoint shows key settings (6 of 15). No security.txt, disclosure policy or bug bounty found; a proof-of-reserves page exists (4 of 20). 26 + 17 + 12 + 6 + 4 = 65.\n\n### Maintenance \u0026 community: dYdX +8\n\n- dYdX (83): Read on the clients and the chain. v4-clients was pushed on 29 October 2026 and protocol v9.8.0 shipped on 12 October (30). Protocol v9.7 on 11 September, v9.8.0 on 12 October, v4-client-js tags 3.5.0 and 3.6.0, three or more in 90 days (20). A Discord, a help centre and 36 open issues on v4-clients whose replies couldn't be read (12 of 25). Official SDKs current, the TypeScript client at 3.6.0 and the Python client at 1.1.6 from February 2026 (12 of 15). CI workflows for lint, test, publish and audit, with trusted publishing and provenance on npm (9 of 10). Total 83.\n- MEXC API (75): Read as a closed service. Last dated change 23 October 2026 in both the spot and futures logs (30). Spot entries on 14 August, 24 August, 11 September and 23 October 2026, futures on 1 September, 11 September, 19 October and 23 October (20). An API support Telegram group, a ticket form and dated changelogs; GitHub issues not read (10 of 15). The official SDK repository was last pushed in February 2024 while the CLI is current (10 of 15). The CLI ships platform binaries with no dependencies and no public repository or CI; the SDK is stale (5 of 10). 30 + 20 + 10 + 10 + 5 = 75.\n\n### Transparency \u0026 trust: MEXC API +8\n\n- dYdX (50): The editorial half. Clients AGPL-3.0 with a terms-bound use condition, the chain under a custom licence, two terms documents (dYdX Trading Inc.'s v4 terms of 12 March 2026 and dYdX International Ltd's of 6 June 2025) that are clear about who runs nothing (22 of 30). The privacy policy of 6 June 2025 names dYdX International Ltd, keeps technical data until no longer necessary with no periods, and names no subprocessors; nothing covers the unnamed indexer operator (12 of 30). Protocol upgrades and the WebSocket compression change were posted as dated maintenance notices, deprecated rate-limit fields are marked, but no deprecation policy or notice period is stated (10 of 20). The policy says data may be processed in the EEA and elsewhere, with no subprocessor list (6 of 20). Total 50.\n- MEXC API (58): The editorial half. A closed service with a dated user agreement naming MEXC (Comoros) Ltd; the CLI is UNLICENSED on npm (15 of 30). The privacy policy names no entity, states no retention periods and relies on standard contractual clauses for transfers (10 of 30). The changelog flags endpoints as \"will be discontinued soon\" without dates and the futures log records removals (8 of 20). Third parties are named by category only, with no subprocessor list or data locations (5 of 20). 15 + 10 + 8 + 5 = 38.\n\n### Schema \u0026 documentation: MEXC API +6\n\n- dYdX (58): No OpenAPI file found for the indexer; the docs publish a types reference of about 200 pages (OrderSide, TimeInForce, OrderStatus and the rest) and the chain's protobuf messages are in the clients (8 of 25). llms.txt and Markdown docs (10). Endpoint pages describe each call and the guides say when to use short-term against long-term orders and the indexer against the node, but descriptions are short (12 of 20). Enums and types on every field in the reference, with pagination and cursor parameters typed (11 of 15). Examples in Python, TypeScript and Rust for each step; errors are described by HTTP status (400 malformed, 404 not found) with no code list (9 of 15). A /v4 path, protocol releases dated on the status page, deprecated rate-limit fields marked, but no API changelog (8 of 15). Total 58.\n- MEXC API (64): No OpenAPI found; a Postman collection and the CLI's 25 capability reference files are the nearest machine-readable contract (5 of 25). llms.txt on mexc.com, written for assistants and pointing at the API docs and legal pages (7 of 10). Per-endpoint pages with purpose, parameters and permissions, without when-not-to-use guidance (13 of 20). Typed parameters with enums for order types, statuses and intervals (11 of 15). Examples on each endpoint and a separate error-code page with numeric codes and messages (13 of 15). Versioned API (v3) with a dated changelog of 72 entries to 23 October 2026 (15). 5 + 7 + 13 + 11 + 13 + 15 = 64.\n\n## Score by category\n\n| Category | Weight | dYdX | MEXC API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 83 | 43 | dYdX +40 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 58 | 64 | MEXC API +6 |\n| Agent ergonomics | 13% (16.2 this run) | 66 | 64 | dYdX +2 |\n| Security \u0026 auth | 14% (17.5 this run) | 78 | 65 | dYdX +13 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 31 | dYdX +29 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 83 | 75 | dYdX +8 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 50 | 58 | MEXC API +8 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **69.5 · B** | **56.3 · C** | |\n\n## Facts side by side\n\n| Fact | dYdX | MEXC API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | dYdX Trading Inc. | MEXC (Comoros) Ltd |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | stdio |\n| Auth | OAuth or key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | The clients are AGPL-3.0 with a use condition tied to the v4 Terms of Use; the chain software (dydxprotocol/v4-chain) carries a custom licence GitHub cannot classify. The hosted indexer at indexer.dydx.trade and the front end are run by third parties, not dYdX Trading Inc. | none |\n| Tools exposed | 0 | 299 |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| Last release | 2026-10-29 | 2026-10-23 |\n| Terms last updated | 2026-03-12 | 2026-10-13 |\n| Privacy policy last updated | 2025-06-06 | 2026-06-01 |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | not found in the text | yes |\n| Terms restrict benchmarking | not found in the text | not found in the text |\n| Terms or service can change without notice | yes | yes |\n| Arbitration or class-action waiver | yes | yes |\n| Popularity | 119 stars, 86k npm/wk | 315 stars |\n\n## Verdicts\n\n**dYdX.** dYdX gives an agent keyless indexer reads, permissioned keys limited by message type, subaccount and market, a Statuspage with a clean 90 days, published fees and a testnet with a faucet. There is no official MCP server or OpenAPI file, orders are chain transactions signed by the clients, and no one entity operates the hosted endpoints.\n\n**MEXC API.** MEXC publishes granular key permissions, per-pair key limits, weighted rate limits with Retry-After and a dated changelog, and its official CLI runs a read-only-capable MCP server with confirmation before any fund movement. There is no sandbox or status page, API futures orders pay a higher fee schedule, and the user agreement excludes the US, UK, EU members and others.\n\n## Before you call either\n\n### dYdX\n\n1. Ask the account owner for an authenticator limited to `/dydxprotocol.clob.MsgPlaceOrder` and `MsgCancelOrder` on one subaccount, and keep its private key out of prompts\n2. Set a unique 32-bit `clientId` on every order and look it up on `/v4/orders` after a timeout; short-term orders expire with `goodTilBlock` (at most 20 blocks ahead)\n3. Stay under 2 stateful orders a block and 20 per 100 blocks; failed placements count, so use short-term orders for active trading\n4. Enable permessage-deflate on the indexer WebSocket; since 26 October 2026 connections without compression may be refused with 426\n5. Check `/v4/geo` and the compliance screen before trading for a person, since the terms exclude the United States, Canada and the United Kingdom\n\n### MEXC API\n\n1. Use a key limited to SPOT_ACCOUNT_READ and SPOT_DEAL_WRITE, the pairs you trade and your IP addresses; keys without a linked IP expire after 90 days\n2. Start the MCP server as `mexc mcp spot --read-only` unless the task trades, and never pass `--yes`; orders and transfers wait for the person's confirmation\n3. Call POST /api/v3/order/test before a live order, since there is no sandbox\n4. On 429 or 418 wait for Retry-After; order placement and cancellation share 12 requests a second per UID, and repeated breaches ban the IP for up to 3 days\n5. Treat a 5xx on an order as unknown, not failed, and query the order before retrying; set newClientOrderId so the order can be found\n\n## Questions\n\n### Which is better for AI agents, dYdX or MEXC API?\n\ndYdX scores 69.5 (B) on agent readiness against MEXC API's 56.3 (C), and leads in 5 of 7 scored categories. MEXC API leads on schema \u0026 documentation and transparency \u0026 trust.\n\n### Do dYdX and MEXC API need an API key?\n\ndYdX takes an API key or an OAuth sign-in. MEXC API needs an API key.\n\n### Can an agent call dYdX and MEXC API without installing anything?\n\nNo hosted endpoint is listed for dYdX. MEXC API runs on your own machine, with no hosted endpoint listed.\n\n### Are dYdX and MEXC API open source?\n\ndYdX is open source (The clients are AGPL-3.0 with a use condition tied to the v4 Terms of Use; the chain software (dydxprotocol/v4-chain) carries a custom licence GitHub cannot classify. The hosted indexer at indexer.dydx.trade and the front end are run by third parties, not dYdX Trading Inc.). No open-source release is listed for MEXC API.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/dydx-vs-mexc.json, and with the fewest tokens: https://www.anchorterminal.com/compare/dydx-vs-mexc.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"dydx\", \"b\": \"mexc\"}`. From a terminal: `anchor compare dydx mexc`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/dydx.json and https://www.anchorterminal.com/api/v1/tools/mexc.json\n\n## Other comparisons with dYdX or MEXC API\n\n- [Bitfinex API vs dYdX](https://www.anchorterminal.com/compare/bitfinex-vs-dydx.md)\n- [Bitfinex API vs MEXC API](https://www.anchorterminal.com/compare/bitfinex-vs-mexc.md)\n- [Bitget vs dYdX](https://www.anchorterminal.com/compare/bitget-vs-dydx.md)\n- [Bitget vs MEXC API](https://www.anchorterminal.com/compare/bitget-vs-mexc.md)\n- [Bithumb Open API vs dYdX](https://www.anchorterminal.com/compare/bithumb-vs-dydx.md)\n- [Bithumb Open API vs MEXC API](https://www.anchorterminal.com/compare/bithumb-vs-mexc.md)\n- [Bitstamp API vs dYdX](https://www.anchorterminal.com/compare/bitstamp-vs-dydx.md)\n- [Bitstamp API vs MEXC API](https://www.anchorterminal.com/compare/bitstamp-vs-mexc.md)\n- [Bybit vs dYdX](https://www.anchorterminal.com/compare/bybit-vs-dydx.md)\n- [Bybit vs MEXC API](https://www.anchorterminal.com/compare/bybit-vs-mexc.md)\n- [Crypto.com Exchange API vs dYdX](https://www.anchorterminal.com/compare/crypto-com-exchange-vs-dydx.md)\n- [Crypto.com Exchange API vs MEXC API](https://www.anchorterminal.com/compare/crypto-com-exchange-vs-mexc.md)\n- [dYdX vs Uniswap Trading API](https://www.anchorterminal.com/compare/dydx-vs-uniswap.md)\n- [dYdX vs Upbit Open API](https://www.anchorterminal.com/compare/dydx-vs-upbit.md)\n- [Gate vs MEXC API](https://www.anchorterminal.com/compare/gate-io-vs-mexc.md)\n- [Gemini Exchange API vs MEXC API](https://www.anchorterminal.com/compare/gemini-exchange-vs-mexc.md)\n- [HTX trading API vs MEXC API](https://www.anchorterminal.com/compare/htx-vs-mexc.md)\n- [KuCoin vs MEXC API](https://www.anchorterminal.com/compare/kucoin-vs-mexc.md)\n- [MEXC API vs OKX API](https://www.anchorterminal.com/compare/mexc-vs-okx.md)\n- [MEXC API vs Uniswap Trading API](https://www.anchorterminal.com/compare/mexc-vs-uniswap.md)\n- [MEXC API vs Upbit Open API](https://www.anchorterminal.com/compare/mexc-vs-upbit.md)\n- [Binance API vs MEXC API](https://www.anchorterminal.com/compare/binance-vs-mexc.md)\n- [Coinbase Advanced Trade API vs MEXC API](https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-mexc.md)\n- [Coinbase MCP server (Coinbase for Agents) vs MEXC API](https://www.anchorterminal.com/compare/coinbase-mcp-vs-mexc.md)\n- [Kraken API vs MEXC API](https://www.anchorterminal.com/compare/kraken-vs-mexc.md)\n- [Binance API vs dYdX](https://www.anchorterminal.com/compare/binance-vs-dydx.md)\n- [Coinbase Advanced Trade API vs dYdX](https://www.anchorterminal.com/compare/coinbase-advanced-trade-vs-dydx.md)\n- [Deribit vs dYdX](https://www.anchorterminal.com/compare/deribit-vs-dydx.md)\n- [Deribit vs MEXC API](https://www.anchorterminal.com/compare/deribit-vs-mexc.md)\n- [dYdX vs Gate](https://www.anchorterminal.com/compare/dydx-vs-gate-io.md)\n- [dYdX vs Gemini Exchange API](https://www.anchorterminal.com/compare/dydx-vs-gemini-exchange.md)\n- [dYdX vs HTX trading API](https://www.anchorterminal.com/compare/dydx-vs-htx.md)\n- [dYdX vs Hyperliquid](https://www.anchorterminal.com/compare/dydx-vs-hyperliquid.md)\n- [dYdX vs Kraken API](https://www.anchorterminal.com/compare/dydx-vs-kraken.md)\n- [dYdX vs KuCoin](https://www.anchorterminal.com/compare/dydx-vs-kucoin.md)\n- [dYdX vs OKX API](https://www.anchorterminal.com/compare/dydx-vs-okx.md)\n- [Hyperliquid vs MEXC API](https://www.anchorterminal.com/compare/hyperliquid-vs-mexc.md)\n- [Coinbase MCP server (Coinbase for Agents) vs dYdX](https://www.anchorterminal.com/compare/coinbase-mcp-vs-dydx.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-04", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "dYdX vs MEXC API", "url": "" } ], "description": "dYdX scores 69.5 (B) to MEXC's 56.3 (C) for exchange derivatives. Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "dYdX B 69.5", "MEXC API C 56.3", "scores" ], "h1": "dYdX vs MEXC API", "image": "https://www.anchorterminal.com/assets/og/default.png", "path": "/compare/dydx-vs-mexc", "published": "2026-10-01", "section": "tools", "title": "dYdX vs MEXC for AI agents in 2026: scores and prices", "toc": null, "updated": "2026-11-03", "url": "https://www.anchorterminal.com/compare/dydx-vs-mexc" }, "tokens": { "markdown": 4950, "slim": 2730 }, "version": 1 }