Errors

Common errors include:

400 Bad Request

Invalid request payload, missing required fields, or invalid status transition.

{
  "error": "Invalid transaction status transition"
}

401 Unauthorized / 403 Forbidden

Missing or invalid authentication token or API key.

{
  "error": "Invalid API key"
}

404 Not Found

The requested ledger, account, transaction, or user was not found.

{
  "error": "Account not found"
}

409 Conflict

Resource conflict or duplicate state.

500 Internal Server Error

Unexpected server-side failure.