Marketplace · API · x402

402oracle.com/verify/claim

Is this claim true? Fact-check a single factual claim or statement against live web evidence before your agent relies on it. A fact-checking oracle, hallucination guard, and grounding and citation check for misinformation review: returns a verdict (supported / contradicted / insufficient), a confidence score, and source citations, as a signed attestation your agent can cite.

Endpointhttps://402oracle.com/verify/claim
Trust100% uptime over 1 checks · ~45 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x7a19cd388c7f69145fef09b960853e0a429b6f4a
methodPOST
last updated2026-11-05T20:15:42.733Z

Use it

Call it (an x402 client pays automatically)

curl -i https://402oracle.com/verify/claim
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-eb5fb0b324036671

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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