Index onlineMerchant portal
Api Endpoint

Source Integrity API

Verify a public web source before citing it: fetch status, final URL, content type, byte count, SHA-256 hash, page title, canonical URL, and timing. Useful for citation provenance, duplicate detection, source integrity, and audit trails.

Open interactive test console

Offering

Provider
source-integrity-api.citymanric.chatgpt.site
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://source-integrity-api.citymanric.chatgpt.site/api/source-integrity
MIME type
application/json
First seen
2026-10-16T03:14:42.322Z
Last seen
Tags
source-verification, citation-provenance, SHA256, web-integrity, duplicate-detection, url-metadata, Search

Website

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
10000 atomic units
Atomic price: 10000 · Network: algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · Asset: 31566704 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x78B732D473A723db37f4c72713d5b98A345E77c1"
  },
  {
    "scheme": "exact",
    "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
    "asset": "31566704",
    "amount": "10000",
    "payTo": "URBEOSBK3GP2IXKMIBUH5OPGO2WLBWH2SMSFPVQCH5IU4EWLTOFZ6FNY54"
  }
]

Observed health

Status
Healthy
Latest latency
2023 ms
Average latency
2855 ms
HTTP status
402
Last checked
Reachability
92.3% over 13 checks

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

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "Public HTTP or HTTPS URL to fetch."
        }
      },
      "required": [
        "url"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "required": [
        "requestedUrl",
        "status",
        "contentLength",
        "sha256"
      ],
      "properties": {
        "requestedUrl": {
          "type": "string",
          "format": "uri"
        },
        "finalUrl": {
          "type": "string",
          "format": "uri"
        },
        "status": {
          "type": "integer"
        },
        "ok": {
          "type": "boolean"
        },
        "contentType": {
          "type": [
            "string",
            "null"
          ]
        },
        "contentLength": {
          "type": "integer"
        },
        "sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "title": {
          "type": [
            "string",
            "null"
          ]
        },
        "canonicalUrl": {
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "fetchedAt": {
          "type": "string",
          "format": "date-time"
        },
        "elapsedMs": {
          "type": "integer"
        }
      }
    }
  },
  "required": [
    "type"
  ]
}