> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# Inventory


## API Docs

- Inventory [Get phone number](https://signalwire.com/docs/apis/rest/phone-numbers/retrieve-phone-number.md)
- Inventory [List phone numbers](https://signalwire.com/docs/apis/rest/phone-numbers/list-phone-numbers.md)
- Inventory [Purchase phone number](https://signalwire.com/docs/apis/rest/phone-numbers/purchase-phone-number.md)
- Inventory [Release phone number](https://signalwire.com/docs/apis/rest/phone-numbers/release-phone-number.md)
- Inventory [Search phone numbers](https://signalwire.com/docs/apis/rest/phone-numbers/search-available-phone-numbers.md)
- Inventory [Update phone number](https://signalwire.com/docs/apis/rest/phone-numbers/update-phone-number.md)
- Inventory [Import phone number](https://signalwire.com/docs/apis/rest/phone-numbers/create-imported-phone-number.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://signalwire.com/docs/apis/rest/phone-numbers/openapi.json)
- [OpenAPI YAML](https://signalwire.com/docs/apis/rest/phone-numbers/openapi.yaml)