the402 endpoint detail

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oracles-production.up.railway.app sam-opportunities changes

https://oracles-production.up.railway.app/v1/sam-opportunities/changes

answers 402

Federal contracting opportunities from SAM.gov since a timestamp — solicitations, combined synopses, sources-sought, and awards — with agency, NAICS, type, response deadline, and link. (Requires SAM_API_KEY; no-ops until set.)

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0xC66EE26cAE6cd34970f51f644f36D720826d392A
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
93 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:34:51.584Z (4d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Foracles-production.up.railway.app%2Fv1%2Fsam-opportunities%2Fchanges"