| 200 | OK | Processed as expected |
| 201 | Created | Entity was created |
| 202 | Accepted | Request acknowledged, but cannot be processed in real time (for instance, async job) |
| 204 | No content | The request was successful and there was no content that could be returned |
| 400 | Bad Request | Client error |
| 401 | Unauthorized | Not authenticated |
| 403 | Forbidden | Authorization failed |
| 404 | Not Found | No resource was found |
| 409 | Conflict | Uniqueness constraint violation |
| 418 | I'm a teapot | RevenueCat refuses to brew coffee |
| 422 | Unprocessable entity | The request was valid and the syntax correct, but we were unable to process the contained instructions. |
| 423 | Locked | The request conflicted with another ongoing request |
| 429 | Too Many Requests | Being rate limited |
| 500 | Internal Server Error | The RevenueCat server ran into an unexpected problem – please check the RevenueCat status page for any known outages and/or report the issue to RevenueCat support |
| 502 | Bad Gateway | Invalid response from an upstream server |
| 503 | Service Unavailable | There wasn’t a server to handle the request |
| 504 | Gateway Timeout | We could not get the response in time from the upstream server |
