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x402.fairseal.io veo verify
https://x402.fairseal.io/v1/veo/verify
answers 402
Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present). Returns a verdict with per-check details.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 561 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-09-06T01:22:48.662Z (21d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.fairseal.io%2Fv1%2Fveo%2Fverify"