{"service":"x402-check","version":"1.0.0","title":"x402 endpoint check","description":"Use when you need an x402 endpoint check or x402 endpoint test, or to validate x402 endpoint listings before paying or integrating. Do not use for actually paying the endpoint, or endpoints behind authentication. Returns JSON with an x402 check of an endpoint without paying: whether it answers 402, its payment options (scheme, network, asset, amount, payTo), Bazaar metadata and problems found for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure.","paid":{"method":"POST","url":"https://x402-gateway.blackwoodstate8.workers.dev/v1/x402-check","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amount":"7000","amountUsdc":"0.007","payTo":"0x9e32E6163ac2cDfF1405746918e00d16F6E0A0de","maxTimeoutSeconds":60},"input":{"schema":{"type":"object","properties":{"url":{"type":"string","minLength":8,"maxLength":2048,"description":"Public http(s) URL of the x402 endpoint, e.g. https://x402.org/protected"},"method":{"description":"HTTP method of the endpoint (GET when omitted)","type":"string","enum":["GET","POST"]},"body":{"description":"JSON body to send with POST, e.g. {\"url\": \"https://example.com\"} (no payment is ever attached)","type":"object","propertyNames":{"type":"string"},"additionalProperties":{}}},"required":["url"]},"example":{"url":"https://x402.org/protected"}},"output":{"schema":{"type":"object","properties":{"url":{"type":"string"},"finalUrl":{"type":"string"},"status":{"type":"number"},"x402":{"type":"boolean"},"version":{"type":["number","null"]},"resource":{"anyOf":[{"type":"object","properties":{"url":{"type":["string","null"]},"description":{"type":["string","null"]},"mimeType":{"type":["string","null"]}},"required":["url","description","mimeType"],"additionalProperties":false},{"type":"null"}]},"accepts":{"type":"array","items":{"type":"object","properties":{"scheme":{"type":["string","null"]},"network":{"type":["string","null"]},"asset":{"type":["string","null"]},"amount":{"type":["string","null"]},"amountUsd":{"type":["number","null"]},"payTo":{"type":["string","null"]},"maxTimeoutSeconds":{"type":["number","null"]}},"required":["scheme","network","asset","amount","amountUsd","payTo","maxTimeoutSeconds"],"additionalProperties":false}},"bazaar":{"type":"object","properties":{"present":{"type":"boolean"},"inputSchema":{"type":"boolean"},"outputSchema":{"type":"boolean"}},"required":["present","inputSchema","outputSchema"],"additionalProperties":false},"problems":{"type":"array","items":{"type":"string"}},"checkedAt":{"type":"string"},"next":{"type":"object","properties":{"service":{"type":"string","description":"Service id of the suggested next paid call"},"tool":{"type":"string","description":"MCP tool name of the same call"},"method":{"type":"string","enum":["GET","POST"]},"url":{"type":"string","description":"Paid route of the next call"},"useWhen":{"type":"string","description":"When the next call is the right one"},"sample":{"type":"string","description":"Free fixed sample of the whole family"}},"required":["service","tool","method","url","useWhen","sample"],"additionalProperties":false,"description":"Suggested next paid call in the same family (call it in a loop when the task continues)"}},"required":["url","finalUrl","status","x402","version","resource","accepts","bazaar","problems","checkedAt"],"additionalProperties":false},"example":{"url":"https://x402.org/protected","finalUrl":"https://x402.org/protected","status":402,"x402":true,"version":2,"resource":{"url":"https://x402.vercel.app/protected","description":"Access to protected content","mimeType":null},"accepts":[{"scheme":"exact","network":"eip155:84532","asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","amount":"10000","amountUsd":0.01,"payTo":"0x209693Bc6afc0C5328bA36FaF03C514EF312287C","maxTimeoutSeconds":300},{"scheme":"exact","network":"solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"10000","amountUsd":0.01,"payTo":"CKPKJWNdJEqa81x7CkZ14BVPiY6y16Sxs7owznqtWYp5","maxTimeoutSeconds":300}],"bazaar":{"present":false,"inputSchema":false,"outputSchema":false},"problems":["no_bazaar_metadata: without discovery metadata the endpoint is hard to find in the Bazaar"],"checkedAt":"2026-10-17T16:49:24.432Z"}},"mcp":{"url":"https://x402-gateway.blackwoodstate8.workers.dev/mcp","tool":"blackwood_x402_check"},"openapi":"https://x402-gateway.blackwoodstate8.workers.dev/openapi.json"}