This page describes the types of errors returned by the API, along with troubleshooting suggestions.

HTTP Status	Code	Explanation
401	Unauthorized (In some cases, there might be a HTTP status with no code.)	Authorization token may be invalid or expired. To troubleshoot, request a new token through the Authentication endpoint.
401	`invalid_client`	Client authentication failed due to unknown client, no client authentication included, or unsupported authentication method. To troubleshoot, check that client ID and secret are correct.
401	`invalid_request`	The request is missing a required parameter, includes an unsupported parameter value, or is otherwise malformed. To troubleshoot, check that all required parameters are included in the request.
401	`region_not_found`	One of the `lat`/`lng` coordinates is incorrect. To troubleshoot, check that all `lat`/`lng` coordinates are located in your region.
400	`invalid_payment_method`	The request contains a payment method that is not valid.
400	`invalid_vehicle_type`	The vehicle type in the request is not valid, or not available in your country.
400	`not_enough_locations_to_get_a_quote`	The params for the request need to include `pickup` (object) and `destinations` (array).
400	`order_pickup_time_must_be_in_the_future`	The `scheduled_at` time is not valid, because it is not in the future.
400	`pickup_and_dropoff_cannot_be_the_same`	The `lat`/`lng` of the pickup and dropoff location are the same. Input a different value for one of the locations.
400	`prepaid_wallet_insufficient_balance`	The order price is greater than the amount in your account's `prepaid_wallet`. To troubleshoot, add more funds to your `prepaid_wallet`.
400	`invalid_order_parameters`	The contact phone extension needs to include digits only. There may be other invalid parameters that caused this error, please contact us.
403	Forbidden	One of the contact phone numbers is suspended.