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Error codes

Last updated June 26th, 2024

The Knox Webhook Notification APIs have error codes that provide more insight into any issues you might encounter. The following tables describe the error codes:

Create subscription

Error code	Error message	Description
400	Bad request	Validation error. Check the message contents for further information.

Load subscription

Error code	Error message	Description
404	Not found	No subscription found. Check whether the event subscription was properly registered.

Update subscription

Error code	Error message	Description
400	Bad request	Validation error. Check the message contents for further information.

Delete subscription

Error code	Error message	Description
404	Not found	The subscription you’re trying to delete was not found.

Standard HTTP status codes

The following table lists the most common HTTP status codes:

Status code	Status message	Description
400	Bad request	The client has issued an invalid request. This code is commonly used to specify validation errors in a request payload.
401	Unauthorized	Authorization for the API is required, but the request was not authenticated.
403	Forbidden	The request was authenticated but does not have the appropriate permissions, or the requested resource cannot be found.
404	Not found	Specifies that the requested path does not exist.
406	Not acceptable	The client has requested a MIME type through the Accept header for a value not supported by the server.
422	Unprocessable Entity	The client has made a valid request, but the server cannot process it. This response is often returned for APIs when certain limits are exceeded.
429	Too many requests	The client has exceeded the number of requests allowed for a given time window.
500	Internal server error	An unexpected server error has ocurred.
501	Not implemented	The client request was valid and understood by the server, but the requested feature has yet to be implemented.

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