Api Endpoint

Change / Diff Check

Detect whether a public page changed since the last hash, with a compact diff.

Open interactive test console

Offering

Provider: mcp.dropenginehq.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://mcp.dropenginehq.com/api/check-change
MIME type: application/json
First seen: 2026-10-16T01:50:53.972Z
Last seen: 2026-11-01T15:00:18.976Z
Tags: Web, change, diff

Website

Payment pricing

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

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xc7693f1ba43E6D1F1885292E1194dc1FDc6e7585"
  }
]

Observed health

Status: Healthy
Latest latency: 104 ms
Average latency: 1091 ms
HTTP status: 204
Last checked: 2026-11-02T13:49:51.471Z
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

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "type": "object",
      "properties": {
        "url": {
          "type": "string",
          "maxLength": 4096,
          "format": "uri"
        },
        "previous_hash": {
          "type": "string",
          "minLength": 1,
          "maxLength": 80
        }
      },
      "required": [
        "url",
        "previous_hash"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ]
        },
        "bodyType": {
          "type": "string",
          "enum": [
            "json",
            "form-data",
            "text"
          ]
        },
        "body": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "type": "object",
          "properties": {
            "url": {
              "type": "string",
              "maxLength": 4096,
              "format": "uri"
            },
            "previous_hash": {
              "type": "string",
              "minLength": 1,
              "maxLength": 80
            }
          },
          "required": [
            "url",
            "previous_hash"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "input"
  ]
}