the402 endpoint detail

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api.govparse.io subawards search

https://api.govparse.io/v1/subawards/search

payable

When a prime wins federal work, who does it flow subcontracts and subgrants down to? Search USAspending subawards (File F prime → sub cascade) by sub-recipient or prime name/UEI, prime award id, awarding agency, NAICS, PSC, subaward type (contract/grant), place-of-performance state, amount, or action date. Set new_subawardee=true for first-time subawardees — subs with NO prime award on record, com

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
79 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:18:48.232Z (1d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.govparse.io%2Fv1%2Fsubawards%2Fsearch"