Transaction History

View your recent transaction receipts.

Request

GET /v1/history?limit=20

Auth: API Key (Authorization: Bearer ucm_key_...)

Query Parameters

Param	Type	Default	Description
limit	number	20	Results to return (1-100)

Response

200 OK

{
  "agent_id": "abc123...",
  "transactions": [
    {
      "tx_id": "uuid-here",
      "service_id": "ucm/web-search",
      "endpoint": "search",
      "amount": "0.01",
      "currency": "USD",
      "timestamp": "2026-02-05T10:30:00Z"
    }
  ]
}

Fields

Field	Description
tx_id	Unique transaction ID
service_id	Service that was called
endpoint	Endpoint that was called
amount	Credits charged (or "0" if refunded)
currency	Always "USD"
timestamp	ISO 8601 timestamp