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 more 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 more 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. |