GET

Retrieve card balances

ENDPOINT/v1/cards/{card_id}/balances

Returns the available, pending, and total position of the ISSUING financial account this card spends against. Amounts are money objects in integer minor units. Pass as_of for a historical snapshot; omit it for the current position. This operation is program-scoped.

Authentication & Headers

Header	Type	Requirement	Description
Authorization	string	REQUIRED	API key passed as an HTTP Bearer token: `Bearer rk_live_...`
X-Program-ID	UUID	PROGRAM-SCOPED	Program boundary UUID that scopes the issuing card, wallet, or transfer.

Path Parameters

Parameter	Type	Requirement	Description
card_id	string	REQUIRED	Unique identifier of the card.

Query Parameters

Parameter	Type	Requirement	Description
as_of	string(date-time)	OPTIONAL	Instant to read the position at (inclusive), RFC 3339 in UTC. Omit to return the current position.

Response Codes & Schemas

200Balance snapshot for the card's issuing financial account.

application/json

{
  "id": "4f9d2e61-7a13-4c58-b3e7-8c1f5d0a7809",
  "object": "balance",
  "financial_account_id": "9b3e1c70-4d2a-4f86-8c1b-5e7a2d9f0c14",
  "wallet_id": "4d8f2a10-6c3e-4b91-9e5a-2f7c8d1e0b44",
  "kind": "CREDIT",
  "purpose": "ISSUING",
  "available": {
    "amount": 125000,
    "currency": "USD"
  },
  "pending": {
    "amount": 4280,
    "currency": "USD"
  },
  "total": {
    "amount": 129280,
    "currency": "USD"
  },
  "currency": "USD",
  "last_transaction_id": "7e2c9a15-4b68-4f47-ae90-3d6f1c8b6798",
  "as_of": "2026-08-27T15:04:05Z",
  "updated_at": "2026-08-27T15:04:05Z"
}

400Bad Request: malformed JSON, failed schema validation, or conflicting parameters.

application/json

{
  "error": {
    "type": "invalid_request_error",
    "code": "invalid_request",
    "message": "invalid order by: foo. Valid options are: [created_at updated_at]",
    "param": "order_by",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/invalid_request"
  }
}

401Unauthorized: missing, malformed, or unknown API key.

application/json

{
  "error": {
    "type": "authentication_error",
    "code": "authentication_error",
    "message": "A valid API key is required.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/authentication_error"
  }
}

403Forbidden: the API key is denied by RBAC, or it cannot access this program. A resource that exists on another program or organization returns `404 not_found`, not `403`.

application/json

{
  "error": {
    "type": "permission_error",
    "code": "permission_denied",
    "message": "The API key cannot access this program.",
    "param": "X-Program-ID",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/permission_denied"
  }
}

404Not Found: unknown id, or the resource is not visible to this API key.

application/json

{
  "error": {
    "type": "not_found_error",
    "code": "not_found",
    "message": "No card found for the given id.",
    "param": "card_id",
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/not_found"
  }
}

429Too Many Requests: the API key exceeded its rate limit.

application/json

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Rate limit exceeded. Retry after the number of seconds in Retry-After.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/rate_limited"
  }
}

500Internal Server Error: unexpected failure. Retry with the same Idempotency-Key.

application/json

{
  "error": {
    "type": "api_error",
    "code": "internal_error",
    "message": "An unexpected error occurred. Retry with the same Idempotency-Key.",
    "param": null,
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "doc_url": "https://docs.rookpayments.com/errors/internal_error"
  }
}