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quartermaster.surewhynot.app v1 settlement-assurance
https://quartermaster.surewhynot.app/v1/settlement-assurance
answers 402
Settlement assurance for a completed x402 payment on Base or Solana: confirm the transaction succeeded (0x hash or base58 signature), match the USDC transfer to an expected wallet and amount, format a receipt, and optionally audit the issuing endpoint - as one 0-100 scored report with a verdict.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0x5253666c40432f009ebd99908b9cd2a7fd1019cb
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 9 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:23:02.185Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fquartermaster.surewhynot.app%2Fv1%2Fsettlement-assurance"