402Agent VERIFY /agent402/cdp/v1/verify APIPOST /agent402/cdp/v1/verify · x402 API by 402Agent VERIFY

Fact-check a claim with evidence-weighted verdicts. Useful for: verifying news, checking whether a statement is accurate, finding supporting or contradicting evidence, grounding AI outputs. Returns: verdict (VERIFIED | NOT_VERIFIED | INSUFFICIENT_EVIDENCE | CONFLICTING_EVIDENCE), confidence score (0–1), supporting_evidence[], contradictory_evidence[], sources[]. Honest verdicts: returns INSUFFICIENT_EVIDENCE or CONFLICTING_EVIDENCE when warranted rather than forcing a binary…

https://402agent.ai/agent402/cdp/v1/verify

What does this x402 API do?

402Agent VERIFY /agent402/cdp/v1/verify API. This is an x402-gated POST API resource from 402Agent VERIFY. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names Base Sepolia. No settled paid call has been verified.

Published price: No normalized USD price is recorded
Networks: Base Sepolia
Latest evidence: TOLL·402 did not invoke this route automatically because doing so was not considered safe
Resource ID: 9a1a3a61b59772f75c1c6787

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://402agent.ai/agent402/cdp/v1/verify", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "bodyFieldNames": [
    "claim"
  ],
  "pathParamNames": [],
  "queryParamNames": []
}),
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

Review the provider input schema before running this non-read-only method. No payment code is included.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-08-25 05:20 UTC
not safely testable · potentially-mutating-method:POST
Origin reachable2026-08-25 05:20 UTC
HEAD https://402agent.ai/ returned 302.
Observed in cdp-bazaar2026-08-25 05:19 UTC
The registry record was observed and retained with provenance.

What evidence supports this listing?

cdp-bazaarobserved 2026-08-25 · open source record ↗

origin checkHEAD https://402agent.ai/ → 302 on 2026-08-25

route quotenot invoked automatically · potentially-mutating-method:POST · 2026-08-25

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.

Base Sepoliaexact282000 atomic · 0x036CbD53842c5426634e7929541eC2318f3dCF7e