{"service":"agenttoll.dev","endpoint":"https://agenttoll.dev/paid/academic/clinical-trials","method":"POST","protocol":"x402","price_usd":"0.04","network":"eip155:8453","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","message":"This is an x402-paid API endpoint. Send a POST request with JSON to receive the 402 payment challenge, then retry with a signed payment.","tool":{"name":"clinical_trials","description":"Search 480K+ clinical studies via ClinicalTrials.gov v2. Status, sponsors, phases, results links.","buyer_value":"Pay $0.04 for Search 480K+ clinical studies via ClinicalTrials.gov v2. Status, sponsors, phases, results links.","input":{"query":"string trial query","status":"optional e.g. 'RECRUITING', 'COMPLETED'","limit":"optional int 5-50 default 20"},"example":{"query":"CAR-T cell therapy","status":"RECRUITING"},"sample_output":"JSON with source-backed fields, response metadata, and decision/readout fields where the endpoint is a brief.","discovery_queries":["clinical trials","clinical trials x402","paid MCP tool","paid data API for AI agents"],"docs":"https://agenttoll.dev/tools/clinical_trials"}}