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agent-evidence-api.thx93.workers.dev

Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you can judge the output before paying for your own question.

Resource URL

https://agent-evidence-api.thx93.workers.dev/v1/evidence

Payment options

exactBase (8453)

$0.003 USDC

Max amount

Pay to
0x9c0e2B44180439294Fa30Ae2B2a94f8655455FD0
Timeout
300s

Tags

web-evidenceclaim-verificationsource-verificationfact-checkingcitations

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://agent-evidence-api.thx93.workers.dev/v1/evidence
Type: http
Sources: payai, cdp, thirdweb

Developer