Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

When your agent already checked zFinia and needs only material machine-economy changes sin

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.

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10000 (raw units)
price
2
calls / 30d
2
unique payers
2026-09-14
updated

Provider

api.zfinia.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x25e8245f07d5e4873987293dad666afbe56a9608",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  }
]

Output schema

{
  "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"
    }
  }
}

Use it

curl

curl "https://api.zfinia.com/v1/intelligence/changes-since"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.zfinia.com/v1/intelligence/changes-since");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.zfinia.com/v1/intelligence/changes-since")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/7394.json, and this resource appears in /discovery/resources and /discovery/search.