--- id: error-codes title: Error codes hide_title: true description: "Common error codes from the Walley Checkout API" --- import Ingress from '../../src/components/ingress/ingress.react'; When consuming the Checkout API, the following error codes can occur and should be handled according to the instructions Codes 400 to 503 are standard HTTP status codes. Code 900 is a Walley-specific status code for business errors, outside the standard HTTP range. Every code is also returned in the `error.code` property of the response body, with the specific cause in `error.errors[].reason`. | Error code | Meaning | Action | | ---------- | :------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | | 400 | Bad or faulty request. Please examine the errors property for details. | Check your request | | 401 | The resource requested requires authentication. | Check your authentication | | 403 | Access to the requested resource is denied. | Check that you are using the correct credentials and StoreId | | 404 | The resource requested was not found. | See if your are using the correct route and base URL | | 409 | The request could not be completed due to a conflict with the current state of the target resource. | Implement retry logic | | 423 | The resource requested is currently locked for modification. Try again. | Implement retry logic | | 500 | An unhandled exception has occurred. Please contact Walley! | Contact Walley | | 503 | Service unavailable. | Contact Walley | | 900 | The request was rejected by the server due to a business error. | Business error. See details in response to take action |