{"uid":"cap_F8ooaXXe3tsGgxNtTaKBt","slug":"clinicaltrials-gov-search-4cdac6d7","name":"ClinicalTrials.gov Search","description":"Pay-per-call utilities for AI agents over x402, USDC on Base.","url":"https://agents.crowdspark.me/v1/gov/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","required":[],"properties":{"q":{"type":"string","description":"Optional free-text term"},"limit":{"type":"string","description":"1 to 25, default 10"},"phase":{"type":"string","description":"Optional phase or comma list, e.g. PHASE2,PHASE3"},"status":{"type":"string","description":"Optional status or comma list, e.g. RECRUITING"},"location":{"type":"string","description":"Optional city, state or country"},"condition":{"type":"string","description":"Optional condition or disease"},"intervention":{"type":"string","description":"Optional drug, device or procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"source":"ClinicalTrials.gov API v2 (US NLM, public)","studies":[{"url":"https://clinicaltrials.gov/study/NCT06467604","title":"CRAVE Study: Comparing Craving Responses and Diet Quality of GLP1 Receptor Agonist Users","nct_id":"NCT06467604","phases":["NA"],"status":"ACTIVE_NOT_RECRUITING","sponsor":"University of California, Davis","conditions":["Obesity"],"enrollment":60,"start_date":"2024-11-01","study_type":"OBSERVATIONAL","has_results":false,"interventions":[],"completion_date":null,"locations_count":1}],"returned":1,"disclaimer":"Registry data only. Not medical advice.","total_matches":822}},"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_JOUgqnbQtr7Ux-em_Wzr7","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":"Searches ClinicalTrials.gov for clinical studies by keyword, condition, or intervention, returning structured trial metadata including NCT ID, status, phases, enrollment, sponsors, and site counts.","exampleAgentPrompt":"Search ClinicalTrials.gov for recruiting Phase 2 or Phase 3 trials studying semaglutide for obesity — give me up to 15 results with their NCT IDs, enrollment numbers, and sponsor names.","exampleUseCases":[{"title":"Patient finding recruiting trials","prompt":"Find me any currently recruiting clinical trials for Type 2 diabetes in California — show me up to 10 results with trial names, NCT IDs, phases, and how many sites each one has."},{"title":"Researcher scoping drug trial landscape","prompt":"Search ClinicalTrials.gov for all Phase 3 trials involving pembrolizumab for lung cancer — I want to see their statuses, enrollment counts, sponsors, and start dates."},{"title":"Journalist auditing trial results availability","prompt":"Pull up completed clinical trials for Alzheimer's disease that have results posted — up to 25 trials — so I can see which NCT IDs have published outcomes and who sponsored them."}],"resultDescription":"A JSON object with a list of up to 25 matching studies, each containing NCT ID, title, status, phases, study type, enrollment count, conditions, interventions, lead sponsor, start and completion dates, a boolean results flag, site count, and a direct link to the trial on ClinicalTrials.gov. Also includes total match count, number returned, source attribution, and a disclaimer that data is from the public registry and not medical advice.","failureModes":["No trials found for highly specific or obscure query terms — returns empty studies array","Invalid phase or status enum values may be ignored or return unexpected results","Location filtering may not match all site countries if location string is ambiguous","Limit exceeding 25 is clamped or rejected","Free-text queries with typos or brand names instead of generic drug names may miss results","Rate limit exceeded if daily free-tier quota exhausted without payment header"],"whenToPreferThis":"Use this endpoint when you need structured, queryable data from the official ClinicalTrials.gov registry — especially when you need to filter by recruitment status, phase, condition, intervention, or geography. Prefer this over general web search when you need machine-readable fields like NCT ID, enrollment, sponsor, and completion dates for downstream processing, reporting, or patient-matching workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:35:51.981Z","isFirstParty":false,"canonicalSlug":"clinicaltrials-gov-search-4cdac6d7"}