{
  "anchorAccepts": {
    "asset": "USDC",
    "docs": "https://www.anchorterminal.com/x402/",
    "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
    "live": false,
    "networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "payTo": "0x0000000000000000000000000000000000000402",
    "protocol": "x402",
    "version": 2
  },
  "count": 28,
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-04",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tools": [
    {
      "endpoints": [],
      "evidence": "Stripe merchants can accept x402 payments in USDC on Base and have them recorded as PaymentIntents. The MCP server and the Stripe API themselves don't take x402 payment (https://docs.stripe.com/payments/machine/x402).",
      "grade": "A",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/stripe-mcp.json",
      "level": "partial",
      "name": "Stripe API + MCP",
      "score": 82.4,
      "slug": "stripe-mcp",
      "url": "https://www.anchorterminal.com/tools/stripe-mcp"
    },
    {
      "endpoints": [
        {
          "url": "https://agi.apify.com/protocols/x402/prepaid-tokens?amount=1\u0026currency=usd",
          "priceUsd": 1,
          "network": "eip155:8453"
        },
        {
          "url": "https://mcp.apify.com?payment=x402",
          "priceUsd": 1,
          "network": "eip155:8453"
        }
      ],
      "evidence": "AGI (agi.apify.com) sells a prepaid, spend-capped Apify token over x402 or MPP, minimum $1, usable as `Authorization: Bearer` against mcp.apify.com and api.apify.com for any Actor. Direct x402 on `mcp.apify.com?payment=x402` signs a $1.00 USDC prepayment on Base, covers Pay Per Event Actors only (not Standby), and refunds unused balance after 60 minutes of inactivity (https://github.com/apify/apify-mcp-server#-agentic-payments; https://apify.com/pricing, checked 2026-10-01).",
      "grade": "A",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/apify-mcp.json",
      "level": "yes",
      "name": "Apify MCP Server",
      "score": 78.6,
      "slug": "apify-mcp",
      "url": "https://www.anchorterminal.com/tools/apify-mcp"
    },
    {
      "endpoints": [
        {
          "url": "https://x402.tavily.com/search",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Official x402 endpoint at x402.tavily.com sells POST /search in advanced mode only, $0.01 in USDC on Base. An unpaid request returned 402 and /.well-known/pricing listed the price on 2026-09-30. Extract, map, crawl and research aren't sold over x402 (https://docs.tavily.com/documentation/machine-payments/x402.md)",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/tavily-mcp.json",
      "level": "partial",
      "name": "Tavily API + MCP",
      "score": 77.2,
      "slug": "tavily-mcp",
      "url": "https://www.anchorterminal.com/tools/tavily-mcp"
    },
    {
      "endpoints": [
        {
          "url": "https://api.you.com/v1/search",
          "priceUsd": 0.005,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.you.com/v1/finance_research",
          "priceUsd": 0.11,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Official docs. GET /v1/search, /v1/agents/search and POST /v1/finance_research accept x402 in USDC on Base or Solana, and MPP in USDC on Tempo. An unpaid GET https://api.you.com/v1/search returned 402 with both PAYMENT-REQUIRED and WWW-Authenticate Payment headers on 2026-09-30. Contents, Answer and Research need a key (https://you.com/docs/administration/machine-payments.md)",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/you-com-api.json",
      "level": "partial",
      "name": "You.com APIs",
      "score": 76.9,
      "slug": "you-com-api",
      "url": "https://www.anchorterminal.com/tools/you-com-api"
    },
    {
      "endpoints": [
        {
          "url": "https://x402.browserbase.com/browser/session/create",
          "priceUsd": null,
          "network": ""
        },
        {
          "url": "https://x402.browserbase.com/browser/session/:id/status",
          "priceUsd": null,
          "network": ""
        },
        {
          "url": "https://x402.browserbase.com/browser/session/:id/extend",
          "priceUsd": null,
          "network": ""
        },
        {
          "url": "https://x402.browserbase.com/browser/session/:id/terminate",
          "priceUsd": null,
          "network": ""
        }
      ],
      "evidence": "x402 on https://x402.browserbase.com for browser sessions only, $0.12 an hour in USDC on Base, no account or API key, unused minutes refunded on terminate (https://docs.browserbase.com/integrations/x402/introduction.md, checked 2026-10-01). Fetch, Search and api.browserbase.com aren't covered. Also an MPP seller per Stripe's 18 March 2026 post.",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/browserbase.json",
      "level": "yes",
      "name": "Browserbase",
      "score": 76.6,
      "slug": "browserbase",
      "url": "https://www.anchorterminal.com/tools/browserbase"
    },
    {
      "endpoints": [],
      "evidence": "An agent storefront at agents.zenrows.com sells plans and prepaid credit ($5 minimum) settled over x402 (USDC on Base), MPP or card. It runs on ZeroClick's platform with its own buyer terms and proxies calls through a per-session storefront path. There's no per-call x402 price on api.zenrows.com (https://agents.zenrows.com/llms.txt, checked 2026-09-30).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/zenrows.json",
      "level": "partial",
      "name": "ZenRows",
      "score": 75.1,
      "slug": "zenrows",
      "url": "https://www.anchorterminal.com/tools/zenrows"
    },
    {
      "endpoints": [
        {
          "url": "https://x402.api.agentmail.to/v0/inboxes",
          "priceUsd": 2,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Official docs describe x402 base URLs x402.api.agentmail.to and x402.ws.agentmail.to, paid in USDC on Base, Polygon or Solana, with inbox creation priced at $2.00. An unauthenticated POST to x402.api.agentmail.to/v0/inboxes returned HTTP 402 with a v2 payment-required header asking for 2,000,000 USDC base units ($2) on Base, Polygon, Solana, Avalanche and X Layer. The challenge names api.paysponge.com as the resource URL, so a third-party payment layer appears to sit in front of the API (https://docs.agentmail.to/integrations/x402).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/agentmail.json",
      "level": "yes",
      "name": "AgentMail API + MCP",
      "score": 75,
      "slug": "agentmail",
      "url": "https://www.anchorterminal.com/tools/agentmail"
    },
    {
      "endpoints": [
        {
          "url": "https://api.telnyx.com/v2/x402/credit_account",
          "priceUsd": null,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Telnyx's agent signup guide documents POST https://api.telnyx.com/v2/x402/credit_account to top up account credit in USDC on Base, alongside MPP at /v2/machine-payments/account-credit and ACP checkout sessions. These are account top-ups, not per-call payments on the voice endpoints, and per-payment limits aren't published. Not tested by us (https://telnyx.com/agent-signup.md, checked 2026-10-01).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json",
      "level": "partial",
      "name": "Telnyx Voice API + MCP",
      "score": 74.4,
      "slug": "telnyx-voice",
      "url": "https://www.anchorterminal.com/tools/telnyx-voice"
    },
    {
      "endpoints": [
        {
          "url": "https://api.spider.cloud/scrape",
          "priceUsd": 0.0005,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.spider.cloud/crawl",
          "priceUsd": 0.005,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.spider.cloud/search",
          "priceUsd": 0.002,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.spider.cloud/links",
          "priceUsd": 0.0002,
          "network": "eip155:8453"
        }
      ],
      "evidence": "x402 v2 on all core routes, exact scheme, USDC on Base (eip155:8453), priced 1 to 1 with credits. Estimates are /scrape $0.0005, /crawl $0.005, /search $0.002, /links $0.0002 (https://spider.cloud/docs/integrations/x402). Our unpaid POST to /crawl on 2026-09-30 returned 402 with a PAYMENT-REQUIRED header and an x402Version 2 body.",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/spider-cloud.json",
      "level": "yes",
      "name": "Spider",
      "score": 74.3,
      "slug": "spider-cloud",
      "url": "https://www.anchorterminal.com/tools/spider-cloud"
    },
    {
      "endpoints": [],
      "evidence": "Agent Wallets pay x402 services through Agent Nanopayments (gasless, batched USDC down to $0.000001), spending policies cover x402 payments, and Circle runs a hosted x402 facilitator on Arc, Base and Polygon PoS since 2026-09-16. The Wallets API itself isn't paid per call via x402 (https://developers.circle.com/agent-stack/agent-wallets; https://developers.circle.com/release-notes/agent-stack-2026).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/circle-wallets.json",
      "level": "partial",
      "name": "Circle Wallets (Agent Wallets, Programmable Wallets)",
      "score": 74.1,
      "slug": "circle-wallets",
      "url": "https://www.anchorterminal.com/tools/circle-wallets"
    },
    {
      "endpoints": [
        {
          "url": "https://parallelmpp.dev/api/search",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://parallelmpp.dev/api/extract",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://parallelmpp.dev/api/task",
          "priceUsd": 0.3,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Not on api.parallel.ai. A separate gateway at parallelmpp.dev takes x402 (USDC on Base) and MPP (Stripe or Tempo) for search and extract at $0.01 and an ultra task at $0.30. An unauthenticated POST to /api/search returned 402 with an x402 v2 challenge for 10000 base units on eip155:8453 (checked 2026-09-30) (https://docs.parallel.ai/integrations/agentic-payments).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/parallel-search-api.json",
      "level": "partial",
      "name": "Parallel Search and Task APIs",
      "score": 74.1,
      "slug": "parallel-search-api",
      "url": "https://www.anchorterminal.com/tools/parallel-search-api"
    },
    {
      "endpoints": [
        {
          "url": "https://api.telnyx.com/v2/x402/credit_account",
          "priceUsd": null,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Telnyx's agent signup guide documents POST https://api.telnyx.com/v2/x402/credit_account to top up account credit in USDC on Base, alongside MPP at /v2/machine-payments/account-credit and ACP checkout sessions. These are account top-ups, not per-message payments on the messaging endpoints, and per-payment limits aren't published. Not tested by us (https://telnyx.com/agent-signup.md, checked 2026-10-01).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/telnyx.json",
      "level": "partial",
      "name": "Telnyx API + MCP",
      "score": 73.8,
      "slug": "telnyx",
      "url": "https://www.anchorterminal.com/tools/telnyx"
    },
    {
      "endpoints": [
        {
          "url": "https://blockrun.ai/api/v1/chat/completions",
          "priceUsd": null,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Core business model: x402 v2 micropayments in USDC (ERC-20 on Base mainnet, SPL on Solana) per request; the '~$0.002/call' figure could NOT be verified for LLM inference, which is per-token; $0.002 appears only for trading-market/stock data endpoints (https://github.com/BlockRunAI/blockrun-llm; https://github.com/BlockRunAI/awesome-blockrun)",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/blockrun-ai.json",
      "level": "yes",
      "name": "BlockRun.AI",
      "score": 72.5,
      "slug": "blockrun-ai",
      "url": "https://www.anchorterminal.com/tools/blockrun-ai"
    },
    {
      "endpoints": [
        {
          "url": "https://pro-api.coingecko.com/api/v3/x402/simple/price",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/{id}/token_price/{address}",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coingecko.com/api/v3/x402/onchain/search/pools",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coingecko.com/api/v3/x402/onchain/networks/{id}/trending_pools",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coingecko.com/api/v3/x402/onchain/networks/{network}/tokens/{address}",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        }
      ],
      "evidence": "The x402 docs list five endpoints at $0.01 USDC a request on Base or Solana, marked experimental (https://docs.coingecko.com/ai-integration/x402). Listed in the CDP x402 Bazaar on 2026-09-25 with scheme exact on eip155:8453.",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/coingecko-x402-api.json",
      "level": "yes",
      "name": "CoinGecko x402 API",
      "score": 71.9,
      "slug": "coingecko-x402-api",
      "url": "https://www.anchorterminal.com/tools/coingecko-x402-api"
    },
    {
      "endpoints": [
        {
          "url": "https://x402.cdp.coinbase.com/platform/v2/data/query/run",
          "priceUsd": null,
          "network": ""
        }
      ],
      "evidence": "Coinbase's CDP SQL API is paid per query over x402 at x402.cdp.coinbase.com. Agentic Wallet pays x402-gated APIs in USDC on Base, Polygon and Solana with a `--max-amount` cap and can host paid endpoints; @x402/fetch, @x402/axios, @x402/mcp and the CDP SDK cover code paths, and Coinbase runs the CDP facilitator. The wallet APIs and MCP servers aren't paid per call (https://github.com/coinbase/agentic-wallet-skills; https://docs.cdp.coinbase.com/agentic-wallet/cli/welcome)",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/coinbase-cdp-agentkit.json",
      "level": "partial",
      "name": "Coinbase Developer Platform (Agentic Wallet, AgentKit, CDP MCP)",
      "score": 71.6,
      "slug": "coinbase-cdp-agentkit",
      "url": "https://www.anchorterminal.com/tools/coinbase-cdp-agentkit"
    },
    {
      "endpoints": [],
      "evidence": "Seller paywalls answer 402 and verify a Nevermined x402 access token in the payment-signature header, settled against a plan rather than a raw onchain transfer. The Router pays standard x402 services on Base in USDC (https://nevermined.ai/docs/products/catalog/router/rails-x402).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/nevermined.json",
      "level": "partial",
      "name": "Nevermined API + MCP",
      "score": 71.1,
      "slug": "nevermined",
      "url": "https://www.anchorterminal.com/tools/nevermined"
    },
    {
      "endpoints": [],
      "evidence": "Privy ships x402 and MPP payer clients (createX402Client in Node, useX402Fetch in React) that sign 402 payment authorisations with a Privy wallet and retry, with a per-request maxValue cap; x402 works with gas-sponsored wallets. Privy's own API isn't paid via x402 (https://docs.privy.io/wallets/overview/solutions/agent-wallets; https://docs.privy.io/changelogs/product-updates).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/privy.json",
      "level": "partial",
      "name": "Privy Wallets (server wallets, agent wallets, policy engine)",
      "score": 70.1,
      "slug": "privy",
      "url": "https://www.anchorterminal.com/tools/privy"
    },
    {
      "endpoints": [
        {
          "url": "https://agent.massive.com/v2/aggs/ticker/{stocksTicker}/range/{multiplier}/{timespan}/{from}/{to}",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://agent.massive.com/v2/snapshot/locale/us/markets/stocks/tickers/{stocksTicker}",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://agent.massive.com/v3/reference/tickers",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://agent.massive.com/v2/reference/news",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://agent.massive.com/stocks/filings/vX/index",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        }
      ],
      "evidence": "x402 on agent.massive.com since 2026-09-01 per the changelog. The docs say each route quotes its live price in the 402 response and only successful requests are charged. Agentic.Market lists 23 GET routes at $0.01 each on Base, US stocks only (https://massive.com/docs/ai-tools/x402).",
      "grade": "BB",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/massive.json",
      "level": "yes",
      "name": "Massive (formerly Polygon.io)",
      "score": 70,
      "slug": "massive",
      "url": "https://www.anchorterminal.com/tools/massive"
    },
    {
      "endpoints": [
        {
          "url": "https://api.linkup.so/v1/search",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.linkup.so/v1/fetch",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Docs list x402 on /v1/search and /v1/fetch at a flat $0.01 a request in USDC on Base with no account. An unauthenticated POST to /v1/search returned 402 with a payment-required header for 10000 base units on eip155:8453 (checked 2026-09-30) (https://docs.linkup.so/pages/documentation/platform/x402).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/linkup.json",
      "level": "yes",
      "name": "Linkup",
      "score": 69.1,
      "slug": "linkup",
      "url": "https://www.anchorterminal.com/tools/linkup"
    },
    {
      "endpoints": [
        {
          "url": "https://pro-api.coinmarketcap.com/x402/v3/cryptocurrency/quotes/latest",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coinmarketcap.com/x402/v3/cryptocurrency/listings/latest",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coinmarketcap.com/x402/v1/dex/search",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://pro-api.coinmarketcap.com/x402/v4/dex/pairs/quotes/latest",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        }
      ],
      "evidence": "CoinMarketCap's x402 docs list four endpoints at $0.01 USDC on Base, and the quotes endpoint answered 402 on 2026-10-01 (https://coinmarketcap.com/api/documentation/ai-agent-hub/x402).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/coinmarketcap-x402-api.json",
      "level": "yes",
      "name": "CoinMarketCap x402 API",
      "score": 68.3,
      "slug": "coinmarketcap-x402-api",
      "url": "https://www.anchorterminal.com/tools/coinmarketcap-x402-api"
    },
    {
      "endpoints": [
        {
          "url": "https://v2-api.scrapegraphai.com/api/agent/x402/access/small",
          "priceUsd": 5,
          "network": "eip155:8453"
        },
        {
          "url": "https://v2-api.scrapegraphai.com/api/agent/x402/access/medium",
          "priceUsd": 40,
          "network": "eip155:8453"
        },
        {
          "url": "https://v2-api.scrapegraphai.com/api/agent/x402/access/large",
          "priceUsd": 150,
          "network": "eip155:8453"
        },
        {
          "url": "https://x402.orth.sh/scrapegraph/v1/scrape",
          "priceUsd": null,
          "network": "eip155:8453"
        }
      ],
      "evidence": "POST /api/agent/x402/access/{pack} on v2-api.scrapegraphai.com returns an x402 challenge that mints an account, an API key and credits (5, 40 or 150 USDC on Base). MPP through InFlow covers packs and subscriptions. Per-call x402 runs only through Orthogonal's gateway at https://x402.orth.sh/scrapegraph/\u003cpath\u003e on scrape, extract, search, crawl and monitor, with no ScrapeGraphAI key, prices from `orth api scrapegraph` (https://v2-api.scrapegraphai.com/api/agent/protocols; https://docs.scrapegraphai.com/integrations/orthogonal.md, checked 2026-10-01).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/scrapegraphai.json",
      "level": "partial",
      "name": "ScrapeGraphAI",
      "score": 68.3,
      "slug": "scrapegraphai",
      "url": "https://www.anchorterminal.com/tools/scrapegraphai"
    },
    {
      "endpoints": [
        {
          "url": "https://search.agent.s.brave.app/res/v1/web/search",
          "priceUsd": 0.005,
          "network": "eip155:8453"
        },
        {
          "url": "https://search.agent.s.brave.app/res/v1/llm/context",
          "priceUsd": 0.005,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Brave's docs link a pay-per-request proxy at search.agent.s.brave.app. Web, LLM Context, news, video, image and local paths cost $0.005 in USDC on Base. Answers, Suggest and Spellcheck aren't sold. An unpaid web search returned 402 with a PAYMENT-REQUIRED header on 2026-09-30 (https://api-dashboard.search.brave.com/documentation/guides/agent-payments)",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/brave-search-mcp.json",
      "level": "partial",
      "name": "Brave Search API + MCP",
      "score": 68.1,
      "slug": "brave-search-mcp",
      "url": "https://www.anchorterminal.com/tools/brave-search-mcp"
    },
    {
      "endpoints": [],
      "evidence": "Agent Wallets pay x402 and MPP endpoints, and an n8n node puts an x402 paywall in front of workflows. The Crossmint API itself isn't paid over x402 (https://docs.crossmint.com/agents/payment-flows/x402).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/crossmint.json",
      "level": "partial",
      "name": "Crossmint API + Docs MCP",
      "score": 67.4,
      "slug": "crossmint",
      "url": "https://www.anchorterminal.com/tools/crossmint"
    },
    {
      "endpoints": [
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/current-balance",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/historical-balances",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/perp-positions",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/transactions",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/perp-trades",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/related-wallets",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/pnl-summary",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/pnl",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/token-screener",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/perp-screener",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/transfers",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/jup-dca",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/flow-intelligence",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/who-bought-sold",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/dex-trades",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/portfolio/defi-holdings",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/flows",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/profiler/address/counterparties",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/holders",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/pnl-leaderboard",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/tgm/perp-pnl-leaderboard",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/perp-leaderboard",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/smart-money/netflow",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/smart-money/holdings",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.nansen.ai/api/v1/smart-money/dex-trades",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Nansen's x402 docs list 17 endpoints at $0.01 and Premium and Smart Money endpoints at $0.05 on Base, Solana and Monad (facilitators Coinbase CDP, PayAI and Molandak); current-balance answered 402 on 2026-10-01 (https://docs.nansen.ai/getting-started/agentic-payments/x402-payments.md).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/nansen-x402-api.json",
      "level": "yes",
      "name": "Nansen x402 API",
      "score": 67.4,
      "slug": "nansen-x402-api",
      "url": "https://www.anchorterminal.com/tools/nansen-x402-api"
    },
    {
      "endpoints": [
        {
          "url": "https://api.exa.ai/search",
          "priceUsd": 0.007,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.exa.ai/contents",
          "priceUsd": 0.001,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Official 'Pay with x402' guide. POST /search and /contents accept x402 with USDC on Base (eip155:8453) or Solana. An unpaid POST /search returned 402 on 2026-09-30 (https://exa.ai/docs/integrations/payments/x402/quickstart.md)",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/exa-mcp.json",
      "level": "yes",
      "name": "Exa API + MCP",
      "score": 66.1,
      "slug": "exa-mcp",
      "url": "https://www.anchorterminal.com/tools/exa-mcp"
    },
    {
      "endpoints": [
        {
          "url": "https://agentcash.honcho.dev/api/honcho/messages",
          "priceUsd": 0.001,
          "network": "eip155:8453"
        },
        {
          "url": "https://agentcash.honcho.dev/api/honcho/chat",
          "priceUsd": 0.001,
          "network": "eip155:8453"
        }
      ],
      "evidence": "An AgentCash storefront at agentcash.honcho.dev lists 16 POST endpoints under /api/honcho/. Storing messages and chat are paid over x402 or Tempo MPP on Base, Solana or Tempo. Messages cost $2 per million tokens (minimum $0.001, maximum $5.00), chat $0.001 to $0.50 by reasoning level, and the other endpoints are free (https://agentcash.honcho.dev/openapi.json, checked 2026-09-30).",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/honcho.json",
      "level": "yes",
      "name": "Honcho",
      "score": 64.2,
      "slug": "honcho",
      "url": "https://www.anchorterminal.com/tools/honcho"
    },
    {
      "endpoints": [
        {
          "url": "https://api.olostep.com/x402/v1/scrapes",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.olostep.com/x402/v1/maps",
          "priceUsd": 0.01,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.olostep.com/x402/v1/answers",
          "priceUsd": 0.05,
          "network": "eip155:8453"
        },
        {
          "url": "https://api.olostep.com/x402/v1/crawls",
          "priceUsd": null,
          "network": "eip155:8453"
        }
      ],
      "evidence": "Documented x402 on POST /v1/scrapes and /v1/maps at $0.01, /v1/answers at $0.05 and /v1/crawls at a dynamic price, USDC on Base, under the /x402/ path prefix (https://docs.olostep.com/x402.md). Our unpaid POST to /x402/v1/scrapes on 2026-09-30 returned 402 with an empty {} body and no PAYMENT-REQUIRED header, so a stock x402 client has no price to sign.",
      "grade": "B",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/olostep.json",
      "level": "partial",
      "name": "Olostep",
      "score": 63.1,
      "slug": "olostep",
      "url": "https://www.anchorterminal.com/tools/olostep"
    },
    {
      "endpoints": [],
      "evidence": "Genie can pay x402-protected APIs from a daily agent budget the owner sets. Payman doesn't offer a way to accept x402 payments (https://genie.paymanai.com/).",
      "grade": "D",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/payman.json",
      "level": "partial",
      "name": "Payman Genie MCP",
      "score": 53,
      "slug": "payman",
      "url": "https://www.anchorterminal.com/tools/payman"
    }
  ]
}