the402 endpoint detail

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foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev official clinicaltrials-search

https://foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v2/official/clinicaltrials-search

answers 402

Find recently updated ClinicalTrials.gov study identifiers, titles and registry status for a condition, with the registry processing date. No medical conclusion.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x25e8245f07d5e4873987293dad666afbe56a9608
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
899 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:19:01.130Z (32d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ffoundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev%2Fv2%2Fofficial%2Fclinicaltrials-search"