Paid: Real-time fact check with sourced verdict

Pay $0.10 USDC to verify a factual claim. The server generates search queries, runs multi-source web search, extracts per-source stance with an LLM, computes a weighted verdict + confidence, and returns the supporting sources plus a SHA-256 attestation of the result.

post/api/x402/fact-check

Request

  • Base URL: https://three.ws
  • URL: https://three.ws/api/x402/fact-check
  • Auth: none required

Request body

claimstring required

The factual claim to verify.

strictness'high' | 'medium' | 'low'

high: penalizes low-authority sources. medium: default. low: accepts all sources equally.

Response

Verdict JSON: verdict, confidence, claim, strictness, sources, costBreakdown, attestation

Changes

No recorded changes to this operation across all 1 revision of this API.