{"uid":"cap_6NIPXx8quJnrgdRo6jQ8z","slug":"citiview-x402-endpoint-checker-e4ae19a6","name":"Citiview x402 Endpoint Checker","description":"x402 endpoint checker: tests any paid x402 URL for a correct 402, price and networks, pay-to address, discovery metadata, CORS, response time and Coinbase's validator, and lists every issue to fix.","url":"https://agents.citiviewgroup.com/v1/x402/check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"method":{"type":"string","description":"GET (default) or POST"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_K8bf_aD-IrUwNcPeJ-JLx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Tests any paid x402 URL for correct 402 response, pricing, network, pay-to address, discovery metadata, CORS, response time, and Coinbase validator compliance, then lists all issues found.","exampleAgentPrompt":"Can you run a full x402 compliance check on https://myapi.example.com/v1/data — I want to know if the 402 response, price, pay-to address, CORS headers, and Coinbase validator all look correct, and get a list of any issues to fix?","exampleUseCases":[{"title":"Debug a broken x402 payment gate","prompt":"My x402 endpoint at https://api.myservice.com/premium/data isn't working — can you check whether it's returning a proper 402 response, has the right price and network configured, and list everything that needs fixing?"},{"title":"Pre-launch x402 compliance audit","prompt":"Before I go live, can you audit https://beta.myapp.io/v1/report for x402 compliance — I need to know if the pay-to address, discovery metadata, CORS, and Coinbase validator are all good to go?"},{"title":"Verify Coinbase validator approval","prompt":"Can you test https://tools.devplatform.com/api/generate against the Coinbase validator and tell me if there are any x402 issues with the 402 status, price, or supported networks?"}],"resultDescription":"Returns a structured diagnostic report covering: whether the URL returns a proper HTTP 402 status, the detected price and accepted networks, the pay-to address, discovery metadata fields, CORS header correctness, measured response time, Coinbase validator pass/fail result, and an itemized list of every issue detected that needs to be fixed.","failureModes":["Target URL is unreachable or returns a non-402 response — reported as a compliance failure","URL does not implement x402 at all — checker reports missing required fields","CORS misconfiguration detected and reported in issues list","Coinbase validator rejects the endpoint — failure reason included in results","Malformed pay-to address or unsupported network — flagged in issues","Slow response time exceeding acceptable thresholds — flagged as a warning"],"whenToPreferThis":"Choose this endpoint when you need to specifically validate an x402-protocol paid API endpoint for spec compliance, Coinbase validator approval, and deployment readiness. It is purpose-built for x402 diagnostics unlike generic HTTP checkers or uptime monitors that lack payment protocol awareness.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:48:32.422Z","isFirstParty":false,"canonicalSlug":"citiview-x402-endpoint-checker-e4ae19a6"}