{
  "x402Version": 2,
  "id": 7588,
  "slug": "7588",
  "resource": "https://api.agentwork.run/v1/web/changes",
  "description": "Check whether a public webpage changed since your previous read. Send prior text_sha256 for a compact changed/unchanged result, or previous_text for added and removed lines. If you omit a baseline, this is a first snapshot (stores nothing server-side; returns current text + hash). Useful for documentation, pricing-page and policy monitoring. $0.005 USDC on Base or $0.01 USDC on Algorand per successful check. HTML/text only; no JavaScript rendering.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x1cfC6489bC9703a2A49715b8a746D8c6075F3A80",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
      "payTo": "PFHYLVHX77ANNQVF67LK6EVYB34D5VDIUOWLOL5SX367M366DBLOQQAOCA",
      "asset": "31566704",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "previous_text": "Example Domain\nOld text.",
            "url": "https://example.com"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "comparison": {
              "added": [
                "New line"
              ],
              "changed": true,
              "removed": [
                "Old line"
              ]
            },
            "fetched_at": "2026-09-08T00:00:00Z",
            "ok": true,
            "text": "Example Domain\nNew line",
            "url": "https://example.com/"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "max_chars": {
                    "default": 20000,
                    "description": "Maximum returned characters; keep identical between comparisons",
                    "maximum": 60000,
                    "minimum": 1000,
                    "type": "integer"
                  },
                  "previous_sha256": {
                    "description": "Prior text_sha256; provides a compact change check without line diff",
                    "pattern": "^[a-fA-F0-9]{64}$",
                    "type": "string"
                  },
                  "previous_text": {
                    "description": "Exact text from the prior read, for line additions/removals",
                    "maxLength": 60000,
                    "type": "string"
                  },
                  "url": {
                    "description": "Public HTTP/HTTPS URL; ports 80/443 and public IPv4 resolution only",
                    "format": "uri",
                    "maxLength": 2048,
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.agentwork.run",
  "lastUpdated": "2026-09-17T03:48:57.867Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-09-17T03:48:57.391Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.agentwork.run",
    "manifest_name": "api.agentwork.run",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}