Index onlineMerchant portal
Api Endpoint

402oracle

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.

Open interactive test console

Offering

Provider
402oracle.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://402oracle.com/verify/claim
MIME type
Not provided
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
Verification, fact-check, claim-adjudication, hallucination-guard, citations

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.25 USDC
Atomic price: 250000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.25 USDC
Atomic price: 250000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0x7a19cd388c7f69145fef09b960853e0a429b6f4a"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "250000",
    "payTo": "0x7a19cd388c7f69145fef09b960853e0a429b6f4a"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "250000",
    "payTo": "0x7a19cd388c7f69145fef09b960853e0a429b6f4a"
  }
]

Observed health

Status
Healthy
Latest latency
28 ms
Average latency
320 ms
HTTP status
204
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "properties": {
    "body": {
      "properties": {
        "claim": {
          "description": "A single factual claim, 8-600 characters",
          "type": "string"
        }
      },
      "required": [
        "claim"
      ],
      "type": "object"
    },
    "bodyType": {
      "const": "json"
    },
    "method": {
      "enum": [
        "POST"
      ]
    },
    "type": {
      "const": "http"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "properties": {
        "body": {
          "properties": {
            "claim": {
              "description": "A single factual claim, 8-600 characters",
              "type": "string"
            }
          },
          "required": [
            "claim"
          ],
          "type": "object"
        },
        "bodyType": {
          "const": "json"
        },
        "method": {
          "enum": [
            "POST"
          ]
        },
        "type": {
          "const": "http"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}