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live-listing-proof.mattskowronis.workers.dev v1 verify
https://live-listing-proof.mattskowronis.workers.dev/v1/verify
answers 402
Verify a public product, classified, marketplace or auction listing immediately before an agent relies on or recommends it. Returns source-supported listing facts when retrievable, and explicit removed, blocked, unreachable, unsupported or insufficient-evidence states instead of inventing facts.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x22B3D4485C8Dcd8FC4840a7570664747c9055530
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 210 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:16:06.996Z (33d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Flive-listing-proof.mattskowronis.workers.dev%2Fv1%2Fverify"