{"uid":"cap_FQcD8XEHWnXBSzgjDnhYF","slug":"trialscope-clinical-trial-snapshot-e5b729e0","name":"TrialScope — Clinical Trial Snapshot","description":"Per-call clinical trial search, study dossiers, and change-deltas from ClinicalTrials.gov. Paid per call via the x402 protocol (USDC); unpaid requests return HTTP 402 with payment terms in the PAYMENT-REQUIRED header. Terms of service: GET /terms (free).","url":"https://x402-trialscope.onrender.com/snapshot?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"nctIds":{"type":"array","items":{"type":"string"},"example":["NCT04283461"],"maxItems":25}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fA0cwHZXzwM_fDyBNP-Wx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches current study dossiers and change-deltas for up to 25 ClinicalTrials.gov trials by NCT ID in a single paid call","exampleAgentPrompt":"Pull the latest study dossiers and any recent changes for these clinical trials: NCT04283461, NCT03498274, and NCT05112796 — I want to know their current status, eligibility criteria, and what's changed.","exampleUseCases":[{"title":"Portfolio trial status monitoring","prompt":"I'm tracking 10 oncology trials for our research team — can you fetch the current status and flag any changes for NCT04283461, NCT03498274, NCT05112796, NCT04505722, NCT03761914, NCT04867369, NCT04432753, NCT05001386, NCT03288545, and NCT04826029?"},{"title":"Eligibility criteria lookup for patient matching","prompt":"Can you pull the full study dossier for NCT04283461 — specifically the eligibility criteria and intervention details — so I can check if my patient qualifies?"},{"title":"Regulatory change-delta tracking","prompt":"We need to know if any protocol amendments or status changes have been filed for these three trials since we last checked: NCT03498274, NCT05112796, and NCT04505722 — show me what's different."}],"resultDescription":"Returns a structured study dossier for each requested NCT ID, including current trial status, phase, sponsor, intervention details, eligibility criteria, primary endpoints, and a change-delta highlighting what has been modified since the previous snapshot on ClinicalTrials.gov.","failureModes":["HTTP 402 if the USDC payment via x402 protocol is missing or insufficient — response includes payment terms in PAYMENT-REQUIRED header","Invalid or non-existent NCT IDs return empty results or an error for that specific ID","Exceeding the 25-ID limit per call results in a validation error","ClinicalTrials.gov upstream unavailability may cause delayed or partial results","Malformed request body (wrong JSON structure) returns a 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need structured, per-trial study dossiers or change-deltas for a known set of NCT IDs — up to 25 at a time — without maintaining a subscription. It is ideal for spot-checks, patient eligibility matching, regulatory monitoring workflows, or any agent that needs to compare current trial state against a prior snapshot. Prefer this over manual ClinicalTrials.gov queries when you want machine-readable output and pay-per-call pricing with no standing subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:30:45.385Z","isFirstParty":false,"canonicalSlug":"trialscope-clinical-trial-snapshot-e5b729e0"}