FoneStorm API uses the following HTTP status codes for server errors:
| Code | Error | Description |
|---|---|---|
| 500 | Internal Server Error | The server encountered an unexpected condition that prevented it from fulfilling the request. |
| 501 | Not Implemented | The server does not support the functionality required to fulfill the request. |
| 502 | Bad Gateway | The server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request. |
| 503 | Service Unavailable | The server is currently unable to handle the request due to a temporary overload or scheduled maintenance, which will likely be alleviated after some delay. |
| 504 | Gateway Time-Out | The server, while acting as a gateway or proxy, did not receive a timely response from an upstream server it needed to access in order to complete the request. |