The Afterpay API uses the conventional HTTP status codes to indicate success or failure of an API request.
HTTP Status Codes
The request was processed successfully.
The request was not valid (e.g. a required parameter was missing).
The request could not be processed for an unexpected reason.
Returns a JSON object and an appropriate HTTP status code.
Please note that the human-readable textual messages included within the error object are improved over time. For validation and mapping purposes, please use the error code or HTTP status code values.
The type of error returned. For example,
A unique error ID.
A human-readable message which provides more details about the error. In most cases, these messages can be displayed to the end user.
The HTTP status code.