{"uid":"cap_TZHORbzed0WyP5AomifV7","slug":"clinicaltrials-gov-study-lookup-via-x402-dfd15e44","name":"ClinicalTrials.gov Study Lookup via x402","description":"X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.","url":"https://x402helper.xyz/89e509/trials/study?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":[],"properties":{"id":{"type":"string","default":null,"description":"Alias for nct"},"nct":{"type":"string","default":null,"description":"A ClinicalTrials.gov NCT id such as NCT03228186"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":{},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.026","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":"$0.026/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.026","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.026","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YC6gVdpvlFMbcvXqqWTwW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.026","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves clinical trial study data from ClinicalTrials.gov by NCT ID, paid via x402 USDC micropayment.","exampleAgentPrompt":"Can you look up the clinical trial NCT03228186 and tell me what it's studying, its phase, and current status?","exampleUseCases":[{"title":"Researching a specific clinical trial","prompt":"I need the full details for clinical trial NCT03228186 — what condition is it studying, what phase is it in, and who is sponsoring it?"},{"title":"Verifying trial eligibility criteria","prompt":"Pull up the study record for NCT04280705 so I can check the eligibility criteria and enrollment status."},{"title":"Checking trial results for a drug study","prompt":"Can you fetch the ClinicalTrials.gov data for NCT02562378 and summarize the primary outcomes and results?"}],"resultDescription":"Returns a JSON object with a success flag and a result object containing clinical trial study data from ClinicalTrials.gov corresponding to the provided NCT ID, such as trial title, phase, status, sponsor, conditions, and outcomes.","failureModes":["Invalid or non-existent NCT ID returns empty or error result","Missing required 'input' field returns schema validation error","Payment failure via x402 results in 402 Payment Required response before data is returned","Network timeout if ClinicalTrials.gov upstream is slow"],"whenToPreferThis":"Use this endpoint when you need programmatic, pay-per-call access to ClinicalTrials.gov study records by NCT ID and are operating in an x402 USDC micropayment environment. Prefer this over direct ClinicalTrials.gov API calls when you need a metered, agent-friendly interface with x402 payment rails built in.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-07T06:47:37.500Z","isFirstParty":false,"canonicalSlug":"clinicaltrials-gov-study-lookup-via-x402-dfd15e44"}