{
  "x402Version": 2,
  "id": 7394,
  "slug": "7394",
  "resource": "https://api.zfinia.com/v1/intelligence/changes-since",
  "description": "When your agent already checked zFinia and needs only material machine-economy changes since its last cursor, use this tool. Returns delta items and nextCursor for the next poll; empty items is valid. Pay 10000 atomic USDC on Base via exact x402. MCP does not pay.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x25e8245f07d5e4873987293dad666afbe56a9608",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "cursor": "2026-09-01T00:00:00.000Z",
            "include_high_resolution": true,
            "maxItems": 3
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "count": 1,
            "generatedAt": "2026-09-07T00:00:00.000Z",
            "highResolution": true,
            "items": [
              {
                "eventId": "evt_x402_launch_20250506",
                "evidenceTier": "TIER_A",
                "freshness": "archive",
                "headline": "Coinbase launches x402 HTTP-native payments",
                "summary": "x402 uses HTTP 402 so agents can pay for APIs without accounts."
              }
            ],
            "marketMovements": {
              "resourcesDelta": 0
            },
            "nextCursor": "2026-09-07T00:00:00.000Z",
            "priceAtomic": "10000",
            "product": "machine_economy_changes_since",
            "request_id": "example-request",
            "schema": "zfinia-newswire-1",
            "schemaVersion": "zfinia-newswire-1",
            "service_id": "machine_economy_changes_since",
            "service_version": "1",
            "since": "2026-09-01T00:00:00.000Z",
            "truncated": false,
            "usageRights": "Caller may use returned JSON for their own systems."
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "anyOf": [
                  {
                    "required": [
                      "cursor"
                    ]
                  },
                  {
                    "required": [
                      "since"
                    ]
                  }
                ],
                "description": "Paid delta for a caller that already has a zFinia cursor. Supply cursor or since (the previous nextCursor).",
                "properties": {
                  "cursor": {
                    "description": "Previous nextCursor (opaque or ISO-8601). Required for the paid delta unless since is set. Pass this back on the next poll.",
                    "maxLength": 2048,
                    "minLength": 1,
                    "type": "string"
                  },
                  "include_high_resolution": {
                    "description": "When true, paid items include full evidence fields already present on the public newswire item.",
                    "type": "boolean"
                  },
                  "maxItems": {
                    "maximum": 50,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "since": {
                    "description": "Alias of cursor. Use the previous nextCursor so only later material changes are returned.",
                    "maxLength": 2048,
                    "minLength": 1,
                    "type": "string"
                  }
                },
                "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": {
                "additionalProperties": false,
                "properties": {
                  "count": {
                    "type": "integer"
                  },
                  "generatedAt": {
                    "type": "string"
                  },
                  "highResolution": {
                    "type": "boolean"
                  },
                  "items": {
                    "type": "array"
                  },
                  "marketMovements": {
                    "type": "object"
                  },
                  "nextCursor": {
                    "type": "string"
                  },
                  "priceAtomic": {
                    "type": "string"
                  },
                  "product": {
                    "type": "string"
                  },
                  "request_id": {
                    "description": "Delivery request identifier; also returned in x-foundry-request-id.",
                    "type": "string"
                  },
                  "schema": {
                    "type": "string"
                  },
                  "schemaVersion": {
                    "type": "string"
                  },
                  "service_id": {
                    "description": "Canonical service identifier.",
                    "type": "string"
                  },
                  "service_version": {
                    "description": "Version of the invoked service.",
                    "type": "string"
                  },
                  "since": {
                    "type": "string"
                  },
                  "truncated": {
                    "type": "boolean"
                  },
                  "usageRights": {
                    "type": "string"
                  }
                },
                "required": [
                  "request_id",
                  "service_id",
                  "service_version",
                  "schema",
                  "generatedAt",
                  "since",
                  "nextCursor",
                  "count",
                  "items",
                  "truncated",
                  "usageRights"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.zfinia.com",
  "lastUpdated": "2026-09-14T19:52:02.29Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-14T19:51:57.667Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.zfinia.com",
    "manifest_name": "api.zfinia.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}