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

# Unregister a number

> Clear current route settings of the number. Number will be marked as free.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://developers.cloudtalk.io/llms.txt).


## Related topics

- [Edit a number](/api-reference/numbers/edit-a-number.md)
- [List numbers](/api-reference/numbers/list-numbers.md)
- [Add number to blacklist](/api-reference/utilities/add-number-to-blacklist.md)