> For a complete page index, fetch https://developer.close.com/llms.txt

# SMS


## API Docs

- SMS [List or filter all SMS activities](https://developer.close.com/api/resources/activities/sms/list.md)
- SMS [Create an SMS activity](https://developer.close.com/api/resources/activities/sms/create.md)
- SMS [Get a single SMS activity](https://developer.close.com/api/resources/activities/sms/get.md)
- SMS [Update an SMS activity](https://developer.close.com/api/resources/activities/sms/update.md)
- SMS [Delete an SMS activity](https://developer.close.com/api/resources/activities/sms/delete.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://developer.close.com/api/resources/activities/sms/openapi.json)
- [OpenAPI YAML](https://developer.close.com/api/resources/activities/sms/openapi.yaml)