> For the complete documentation index, see [llms.txt](https://padiwise.gitbook.io/padiwise/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://padiwise.gitbook.io/padiwise/errors.md).

# Errors

**Padiwise** uses standard **HTTP response codes** to indicate the success or failure of an API request. Here's a general breakdown:

* **2xx codes** indicate a **successful** request.
* **4xx codes** indicate a **client-side error**—usually due to invalid input or missing parameters (e.g., a required field was not provided).
* **5xx codes** indicate a **server-side error** on **Padiwise's** end (these are rare but may occur during unexpected server issues).