{"uid":"cap_RCFxiiOKvUll2CBTj2Eaa","slug":"polyform-clinical-trials-data-api-f684c12f","name":"Polyform Clinical Trials Data API","description":"Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.","url":"https://api.polyform.org/v1/health/clinical-trials?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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"total":1240,"trials":[{"nctId":"NCT01234567","phase":"PHASE3","status":"RECRUITING","sponsor":"…"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_X7NeGLs7vnPC9BBxk4In7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paginated list of clinical trials with NCT IDs, phases, statuses, and sponsors via a micropayment-gated GET endpoint","exampleAgentPrompt":"Can you pull a list of currently recruiting Phase 3 clinical trials and show me their NCT IDs, sponsors, and statuses?","exampleUseCases":[{"title":"Recruiting trials for patient matching","prompt":"Find all clinical trials that are currently recruiting for Phase 3 studies — I need the NCT IDs, sponsors, and statuses to match patients to open trials."},{"title":"Pharma competitive intelligence","prompt":"Pull a list of active clinical trials and tell me which sponsors have the most recruiting Phase 2 and Phase 3 studies right now."},{"title":"Medical research overview dashboard","prompt":"Get me the total count of clinical trials and a sample list with their phases and statuses so I can populate my research dashboard."}],"resultDescription":"A JSON object containing a total count of matching clinical trials and an array of trial records, each with an NCT ID (e.g. NCT01234567), trial phase (e.g. PHASE3), recruitment status (e.g. RECRUITING), and sponsor name.","failureModes":["402 Payment Required if USDC micropayment via x402 is not completed before the request","Empty results array if no trials match the given query parameters","Malformed query parameters may return a 400 Bad Request","Rate limiting or network errors may return 5xx responses","Stale data if underlying ClinicalTrials.gov data has not been refreshed recently"],"whenToPreferThis":"Choose this endpoint when you need programmatic access to clinical trial data without registering for an API key or managing credentials — ideal for AI agents that can handle x402 USDC micropayments on Base. Prefer this over direct ClinicalTrials.gov API calls when you want a simple, pay-per-call model with no account setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:46:52.061Z","isFirstParty":false,"canonicalSlug":"polyform-clinical-trials-data-api-f684c12f"}