> ## Documentation Index
> Fetch the complete documentation index at: https://mwithheart.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Errors

> This page contains all forms of errors you can encounter while using the RexPay API and how to fix them

RexPay uses conventional HTTP response codes to indicate the success or failure of an API request. Generally,

* **2xx** Codes indicate success.
* **4xx** Codes indicate an error due to the details provided
* **5xx** Codes indicate an error with our servers, these aren't common.

### HTTPS Codes

| Code | Meaning        | Explanation                                                             | How to Resolve                                                                                           |
| ---- | -------------- | ----------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------- |
| 200  | OK             | Successful API request                                                  |                                                                                                          |
| 400  | Bad Request    | The request was not accepted, often due to missing a required parameter | Verify inputs details and include missing or wrong parameter                                             |
| 401  | Unauthorized   | Unauthorised access to resource                                         | Check your authentication details for errors. Confirm your access tothe information you want to retrieve |
| 402  | Request Failed | The parameters were valid but the request failed.                       |                                                                                                          |
| 403  | Forbidden      | The API key doesn’t have permissions to perform the request.            |                                                                                                          |
| 404  | Not Found      | The requested resource doesn’t exist.                                   |                                                                                                          |

***

## Next Steps

<CardGroup cols={2}>
  <Card title="Quickstart Guide" icon="pen-to-square" href="./quickstart">
    Learn how authentication works in details in the [Authentication Guide](./authentication).
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/openapi.json">
    See the API References
  </Card>
</CardGroup>