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api.govparse.io trials search
https://api.govparse.io/v1/trials/search
payable
Which companies are running clinical trials, and at what stage? Search ClinicalTrials.gov interventional industry-sponsored studies by lead sponsor, phase, status, condition, intervention type, a US state with a site, first-posted date (since), start date, or completion date. Returns the sponsor (entity-resolved where possible), phase, status, conditions, enrollment, and dates — a developer target
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $1.25
- Network
- base
- Pay to
- 0x3873d15CF3209c32aaA8d9AA542164E658567129
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 86 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:18:48.226Z (1d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.govparse.io%2Fv1%2Ftrials%2Fsearch"