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x402.asterpay.io ai fact-check
https://x402.asterpay.io/v2/x402/ai/fact-check
answers 402
Source-bounded fact-check. Verify a claim against provided source text. Returns verdict: supported, contradicted, or unverifiable. Does NOT search the web.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xd5f8481D8F25d3966d2010DBf9B47fFbdf745A9E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 242 ms
- Payment options
- 6 usable of 6
- Last checked
- 2026-08-15T14:23:19.080Z (18h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.asterpay.io%2Fv2%2Fx402%2Fai%2Ffact-check"