# Get master-account balances

Source: https://business-api-docs.youhodler.com/docs/api/reference/balances/master-accounts-balances

Returns balances for a master account. Pass `?asset=` to fetch a single balance; otherwise returns every asset present on the account.

## Request

**Request URL — GET**
```http
GET /master-accounts/{master_account_id}/balances
```

## Responses

**200 Operation succeeded**

Operation succeeded.

```json
{
  "items": [
    {
      "asset": "USDC",
      "available": "950.00",
      "held": "50.00",
      "overdraft_headroom": null,
      "overdraft_limit": null,
      "overdraft_used": null,
      "owner_ref": "b8e2f1a0-4c3d-4e5f-9a1b-2c3d4e5f6a7b",
      "owner_subtype": "client_account",
      "total": "1000.00",
      "updated_at": "2026-05-01T10:00:00Z"
    }
  ]
}
```

**400 Invalid request payload**

Invalid request payload, query, or parameter shape.

```json
{
  "code": "invalid_request",
  "message": "The request is invalid."
}
```

**401 Caller is not authenticated or the bearer token is invalid**

Caller is not authenticated or the bearer token is invalid.

```json
{
  "code": "unauthorized",
  "message": "Authentication required."
}
```

**403 Caller lacks the required capability or permitted scope**

Caller lacks the required capability or permitted scope.

```json
{
  "code": "forbidden_capability_scope",
  "details": {
    "reason": "missing_capability"
  },
  "message": "Insufficient capability for this operation."
}
```

**404 Resource not found**

Resource not found.

```json
{
  "code": "resource_not_found",
  "details": {
    "reason": "original_transaction_not_found"
  },
  "message": "Resource not found."
}
```

**429 Request rate limit exceeded**

Request rate limit exceeded. Retry after the delay indicated in the `details.retry_after_ms` field.

```json
{
  "code": "rate_limited",
  "details": {
    "retry_after_ms": 5000
  },
  "message": "Too many requests."
}
```

**502 Upstream service returned an unexpected error**

Upstream service returned an unexpected error.

```json
{
  "code": "upstream_error",
  "message": "An upstream service returned an unexpected error."
}
```

**503 Service is temporarily unavailable**

Service is temporarily unavailable; retry with backoff.

```json
{
  "code": "temporarily_unavailable",
  "details": {
    "reason": "ledger_db_unavailable"
  },
  "message": "Service is temporarily unavailable."
}
```