| 401 |
Unauthorized |
Authentication error |
Check that your authentication header is correct and is correctly formed. |
| 403 |
Forbidden |
Authorization error, possibly incorrect API Key |
Check that your API Key is authorized for the correct API. |
| 405 |
Method Not Allowed |
Method not specified for API |
Check the OpenAPI specifications for the methods linked to the API. |
| 415 |
Unsupported Media Type |
Content-type not supported |
Check the OpenAPI specifications for the Content-Type linked to the API. |
| 429 |
Too Many Requests |
Application or API request per second exceeded |
There may be too many requests in a short time. Wait a while in an exponential back-off timing. |
| 433-452, 499 |
JWT Authentication Error |
Refer to this page |
Correct the JWT Authentication header as described in the link. |
| 500 |
Internal Server Error |
General gateway/server error |
Backend server could be busy or could be down. Try again later. Exponential back-off timing could be used. |
| 502 |
Bad Gateway Error |
Server error, could also be payload too large (more than 10MB) |
Reduce payload sent to backend. |
| 504 |
Gateway Timeout |
Backend server timed out or failed to respond within a certain time |
Backend server could be busy or could be down. Try again later. Exponential back-off timing could be used. |
| 526 |
Invalid SSL Certificate |
Backend SSL certificate error or SSL session incomplete |
Check that the certificate configured in APEX matches that configured in the backend server. |
| 527 |
Backend Disconnected |
Usually observed as part of intermittent API call failure. Possible resource contention from the backend server. |
Check that the configuration for backend server is able to handle SSL without errors. |
| 560-579 |
ServiceAuth errors |
Authorization flow error |
Open a support ticket with APEX to investigate. |
