When you send a request to a PagoNxt APIs, you receive an HTTP code as part of the response. This response code lets you know whether your request has been successful or has failed. This document explains the different HTTP response codes that PagoNxt sends, and how you can react to error situations.

Sucessful response codes

PagoNxt uses the 200, 201, 202, and 204 response codes to indicate a successful request. The following table describes what these codes mean when received in response to a POST, GET, PUT, DELETE, or PATCH request.

HTTP Code	Description	Cause
200	OK	POST: Successful, but the operation is idempotent, and the same request was submitted successfully previously GET: Requested details were successfully retrieved PUT: Update was successful PATCH: Update was successful
201	Created	POST: New creation was successful
202	Accepted	POST: Successful, but processing has not yet been completed
204	No content	POST: Successful, but there is no response content to be displayed GET: Request was successful but there is no retrieved data to be displayed DELETE: Deletion was successful PATCH: Update was successful

Client error response codes

PagoNxt uses the 4XX response codes to indicate that there's a client-side error. The following table describes what these codes mean when received in response to a POST, GET, PUT, DELETE, or PATCH request.

HTTP Code	Description	Cause
400	Bad request	PagoNxt could not understand the request message. Check that you are not missing any parameters in your request header and that your request body is valid.
401	Unauthorized	There is an authentication error. Check that your access token and any JSON Web Token (JWT) Bearer tokens are valid.
403	Forbidden	You are not authorized to access the requested API.
404	Not found	The data you are trying to retrieve does not exist. Check that any path parameters are correct and make sure that you are sending the request to the correct API endpoint.
405	Method not allowed	Your request method is not supported by the API endpoint; for example, a GET request was sent to a POST API endpoint. Check your request method.
406	Not acceptable	Request content is not acceptable. Check the request content.
409	Conflict	Request could not be processed because it conflicts with the current state of the API. Check your request.
413	Payload too large	Request is larger than the API can process. Check the request size.
414	URI too long	URI is longer than the maximum size allowed by the server. Check the URI length.
415	Unsupported media type	The request has an unsupported format in the request header or body. Check that your request header and body are in the correct format.
422	Unprocessable entity	Request was well-formed but could not be followed due to semantic errors. Check the request for semantic errors.
429	Too many request	You have sent too many requests within a set amount of time. Wait before sending your request again.

Server error response codes

PagoNxt uses the 5XX range response codes to indicate that there was a server-side error. The following table describes what these codes mean when received in response to a POST, GET, PUT, DELETE, or PATCH request.

HTTP Code	Description	Cause
500	Internal server error	There was an error when processing the request.
503	Service unavailable	There was an error when processing the request, this may be due to the server being down for maintenance or temporarily offline.
504	Gateway timeout	We haven't sent a response in a timely manner.