{
  "x402Version": 2,
  "id": 38450,
  "slug": "38450",
  "resource": "https://api.agentsouk.dev/v1/x402/lst_01M2NXY883W33X7KJCZMJ811A0",
  "description": "Tell me what changed on this page since my last check (deterministic, no LLM)",
  "type": "http",
  "serviceName": "Agent Souk",
  "resourceType": "AI Inference",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xA0a2494006B72109137630bC026434a809731c07",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 900
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "changed": {
            "description": "false on the first check of a target and whenever the target could not be read",
            "type": "boolean"
          },
          "checked_at": {
            "format": "date-time",
            "type": "string"
          },
          "checks": {
            "description": "how often you have checked this target",
            "type": "integer"
          },
          "clipped": {
            "description": "the page was longer than the 8,000 characters the diff can show; the hash still covers all of it",
            "type": "boolean"
          },
          "content_chars": {
            "type": "integer"
          },
          "content_empty": {
            "description": "nothing was left to compare - a maintenance page, or a selector that missed. The baseline is kept rather than replaced by emptiness",
            "type": "boolean"
          },
          "content_kind": {
            "description": "how the body is normalised; frozen at the first check of a target",
            "enum": [
              "html",
              "json",
              "text",
              null
            ],
            "type": [
              "string",
              "null"
            ]
          },
          "diff": {
            "description": "null when nothing changed or nothing could be read",
            "properties": {
              "added": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "removed": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "reordered": {
                "description": "the same lines in a different order or multiplicity: changed, but nothing to list",
                "type": "boolean"
              },
              "truncated": {
                "type": "boolean"
              }
            },
            "type": [
              "object",
              "null"
            ]
          },
          "error": {
            "description": "why the target could not be read",
            "type": [
              "string",
              "null"
            ]
          },
          "fetch_ok": {
            "description": "false when the target could not be read; the stored snapshot is then left as it was",
            "type": "boolean"
          },
          "final_url": {
            "type": [
              "string",
              "null"
            ]
          },
          "first_check": {
            "type": "boolean"
          },
          "hash": {
            "description": "sha256 of the whole normalised content, including what the diff had to leave out",
            "type": [
              "string",
              "null"
            ]
          },
          "http_status": {
            "type": [
              "integer",
              "null"
            ]
          },
          "label": {
            "type": [
              "string",
              "null"
            ]
          },
          "last_change_at": {
            "description": "when this target last differed, as far as your own checks have seen",
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          },
          "previous_checked_at": {
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          },
          "previous_hash": {
            "type": [
              "string",
              "null"
            ]
          },
          "selector_matched": {
            "description": "lines your selector kept; 0 means the watch is comparing nothing",
            "type": [
              "integer",
              "null"
            ]
          },
          "snippet": {
            "type": "string"
          },
          "url": {
            "type": "string"
          }
        },
        "required": [
          "changed",
          "first_check",
          "fetch_ok"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "ignore": [
              "\"generated_at\": \"*\""
            ],
            "label": "competitor pricing",
            "selector": "Price:",
            "url": "https://example.com/pricing"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "changed": true,
            "checked_at": "2026-09-16T10:00:00.000Z",
            "checks": 14,
            "clipped": false,
            "content_chars": 21,
            "content_empty": false,
            "content_kind": "html",
            "diff": {
              "added": [
                "Price: 49 USD / month"
              ],
              "removed": [
                "Price: 39 USD / month"
              ],
              "reordered": false,
              "truncated": false
            },
            "error": null,
            "fetch_ok": true,
            "final_url": "https://example.com/pricing",
            "first_check": false,
            "hash": "82b3b492701ab51d18916f30e3e9402b3ce39785961d4c38bb421f4d5f863ab1",
            "http_status": 200,
            "label": "competitor pricing",
            "last_change_at": "2026-09-16T10:00:00.000Z",
            "previous_checked_at": "2026-09-16T09:00:00.000Z",
            "previous_hash": "1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b",
            "selector_matched": 1,
            "snippet": "Price: 49 USD / month",
            "url": "https://example.com/pricing"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "ignore": {
                    "description": "Glob patterns removed before comparing (* = any run of characters on a line), e.g. \"\\\"generated_at\\\": \\\"*\\\"\"",
                    "items": {
                      "maxLength": 200,
                      "type": "string"
                    },
                    "maxItems": 5,
                    "type": "array"
                  },
                  "label": {
                    "description": "Your own name for this watch; echoed back, not part of its identity",
                    "maxLength": 120,
                    "type": "string"
                  },
                  "reset": {
                    "default": false,
                    "description": "Forget the stored snapshot for this target and start a fresh baseline",
                    "type": "boolean"
                  },
                  "selector": {
                    "description": "Keep only lines containing this text, e.g. \"Price:\" - watch one number instead of a whole page",
                    "maxLength": 200,
                    "type": "string"
                  },
                  "url": {
                    "description": "Public http(s) URL to watch",
                    "format": "uri",
                    "maxLength": 2048,
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "changed": {
                    "description": "false on the first check of a target and whenever the target could not be read",
                    "type": "boolean"
                  },
                  "checked_at": {
                    "format": "date-time",
                    "type": "string"
                  },
                  "checks": {
                    "description": "how often you have checked this target",
                    "type": "integer"
                  },
                  "clipped": {
                    "description": "the page was longer than the 8,000 characters the diff can show; the hash still covers all of it",
                    "type": "boolean"
                  },
                  "content_chars": {
                    "type": "integer"
                  },
                  "content_empty": {
                    "description": "nothing was left to compare - a maintenance page, or a selector that missed. The baseline is kept rather than replaced by emptiness",
                    "type": "boolean"
                  },
                  "content_kind": {
                    "description": "how the body is normalised; frozen at the first check of a target",
                    "enum": [
                      "html",
                      "json",
                      "text",
                      null
                    ],
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "diff": {
                    "description": "null when nothing changed or nothing could be read",
                    "properties": {
                      "added": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "removed": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "reordered": {
                        "description": "the same lines in a different order or multiplicity: changed, but nothing to list",
                        "type": "boolean"
                      },
                      "truncated": {
                        "type": "boolean"
                      }
                    },
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "error": {
                    "description": "why the target could not be read",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "fetch_ok": {
                    "description": "false when the target could not be read; the stored snapshot is then left as it was",
                    "type": "boolean"
                  },
                  "final_url": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "first_check": {
                    "type": "boolean"
                  },
                  "hash": {
                    "description": "sha256 of the whole normalised content, including what the diff had to leave out",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "http_status": {
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "label": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "last_change_at": {
                    "description": "when this target last differed, as far as your own checks have seen",
                    "format": "date-time",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "previous_checked_at": {
                    "format": "date-time",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "previous_hash": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "selector_matched": {
                    "description": "lines your selector kept; 0 means the watch is comparing nothing",
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "snippet": {
                    "type": "string"
                  },
                  "url": {
                    "type": "string"
                  }
                },
                "required": [
                  "changed",
                  "first_check",
                  "fetch_ok"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "monitoring",
    "diff",
    "watch",
    "change-detection",
    "web",
    "bazaar"
  ],
  "sourceHost": "api.agentsouk.dev",
  "lastUpdated": "2026-09-16T21:15:58.732Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-16T21:15:58.387Z"
  },
  "metadata": {
    "serviceName": "Agent Souk",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "ignore": [
                "\"generated_at\": \"*\""
              ],
              "label": "competitor pricing",
              "selector": "Price:",
              "url": "https://example.com/pricing"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "changed": true,
              "checked_at": "2026-09-16T10:00:00.000Z",
              "checks": 14,
              "clipped": false,
              "content_chars": 21,
              "content_empty": false,
              "content_kind": "html",
              "diff": {
                "added": [
                  "Price: 49 USD / month"
                ],
                "removed": [
                  "Price: 39 USD / month"
                ],
                "reordered": false,
                "truncated": false
              },
              "error": null,
              "fetch_ok": true,
              "final_url": "https://example.com/pricing",
              "first_check": false,
              "hash": "82b3b492701ab51d18916f30e3e9402b3ce39785961d4c38bb421f4d5f863ab1",
              "http_status": 200,
              "label": "competitor pricing",
              "last_change_at": "2026-09-16T10:00:00.000Z",
              "previous_checked_at": "2026-09-16T09:00:00.000Z",
              "previous_hash": "1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b",
              "selector_matched": 1,
              "snippet": "Price: 49 USD / month",
              "url": "https://example.com/pricing"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "ignore": {
                      "description": "Glob patterns removed before comparing (* = any run of characters on a line), e.g. \"\\\"generated_at\\\": \\\"*\\\"\"",
                      "items": {
                        "maxLength": 200,
                        "type": "string"
                      },
                      "maxItems": 5,
                      "type": "array"
                    },
                    "label": {
                      "description": "Your own name for this watch; echoed back, not part of its identity",
                      "maxLength": 120,
                      "type": "string"
                    },
                    "reset": {
                      "default": false,
                      "description": "Forget the stored snapshot for this target and start a fresh baseline",
                      "type": "boolean"
                    },
                    "selector": {
                      "description": "Keep only lines containing this text, e.g. \"Price:\" - watch one number instead of a whole page",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "url": {
                      "description": "Public http(s) URL to watch",
                      "format": "uri",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "changed": {
                      "description": "false on the first check of a target and whenever the target could not be read",
                      "type": "boolean"
                    },
                    "checked_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "checks": {
                      "description": "how often you have checked this target",
                      "type": "integer"
                    },
                    "clipped": {
                      "description": "the page was longer than the 8,000 characters the diff can show; the hash still covers all of it",
                      "type": "boolean"
                    },
                    "content_chars": {
                      "type": "integer"
                    },
                    "content_empty": {
                      "description": "nothing was left to compare - a maintenance page, or a selector that missed. The baseline is kept rather than replaced by emptiness",
                      "type": "boolean"
                    },
                    "content_kind": {
                      "description": "how the body is normalised; frozen at the first check of a target",
                      "enum": [
                        "html",
                        "json",
                        "text",
                        null
                      ],
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "diff": {
                      "description": "null when nothing changed or nothing could be read",
                      "properties": {
                        "added": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "removed": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "reordered": {
                          "description": "the same lines in a different order or multiplicity: changed, but nothing to list",
                          "type": "boolean"
                        },
                        "truncated": {
                          "type": "boolean"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "error": {
                      "description": "why the target could not be read",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "fetch_ok": {
                      "description": "false when the target could not be read; the stored snapshot is then left as it was",
                      "type": "boolean"
                    },
                    "final_url": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "first_check": {
                      "type": "boolean"
                    },
                    "hash": {
                      "description": "sha256 of the whole normalised content, including what the diff had to leave out",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "http_status": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "label": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "last_change_at": {
                      "description": "when this target last differed, as far as your own checks have seen",
                      "format": "date-time",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "previous_checked_at": {
                      "format": "date-time",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "previous_hash": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "selector_matched": {
                      "description": "lines your selector kept; 0 means the watch is comparing nothing",
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "snippet": {
                      "type": "string"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "changed",
                    "first_check",
                    "fetch_ok"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.agentsouk.dev",
    "manifest_name": "api.agentsouk.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "changed": true,
    "checked_at": "2026-09-16T10:00:00.000Z",
    "checks": 14,
    "clipped": false,
    "content_chars": 21,
    "content_empty": false,
    "content_kind": "html",
    "diff": {
      "added": [
        "Price: 49 USD / month"
      ],
      "removed": [
        "Price: 39 USD / month"
      ],
      "reordered": false,
      "truncated": false
    },
    "error": null,
    "fetch_ok": true,
    "final_url": "https://example.com/pricing",
    "first_check": false,
    "hash": "82b3b492701ab51d18916f30e3e9402b3ce39785961d4c38bb421f4d5f863ab1",
    "http_status": 200,
    "label": "competitor pricing",
    "last_change_at": "2026-09-16T10:00:00.000Z",
    "previous_checked_at": "2026-09-16T09:00:00.000Z",
    "previous_hash": "1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b",
    "selector_matched": 1,
    "snippet": "Price: 49 USD / month",
    "url": "https://example.com/pricing"
  }
}