# Errors

Oppna uses conventional HTTP response codes to indicate the success or failure of an API request with the following code in response. In general: Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided (e.g., a required parameter was omitted). Codes in the 5xx range indicate an error with Oppna’s servers (these are rare).

This table provide detailed information about the error code.

| Status | Message         | Code | Description                                                                                                                                       |
| ------ | --------------- | ---- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| 200    | SUCCESS         | xx   | Prefix 0x is reserved for successful responses                                                                                                    |
| 200    | SUCCESS         | 01   | Request success                                                                                                                                   |
| 200    | SUCCESS         | 02   | Partial request success                                                                                                                           |
| 400    | CLIENT\_ERROR   | 14xx | Prefix 14xx is reserved for error from the client side. Request is malformed, missed a required parameter, or used an invalid value as parameter. |
| 400    | CLIENT\_ERROR   | 1401 | Missing parameter.                                                                                                                                |
| 400    | CLIENT\_ERROR   | 1402 | Value type not match or request schema not match or values not in dictionary.                                                                     |
| 400    | CLIENT\_ERROR   | 1403 | More parameter than expected.                                                                                                                     |
| 500    | INTERNAL\_ERROR | 15xx | Prefix 15xx is reserved for error from server side.                                                                                               |
| 500    | INTERNAL\_ERROR | 1501 | Unexpected error. Please contact support.                                                                                                         |


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```
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```

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