> ## 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.

# Add activity

> Assign an activity to existing contact.



## API Specification

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


## Related topics

- [Contact actions](/api-reference/bulks/contact-actions.md)
- [List activities](/api-reference/contacts/list-activities.md)
- [Delete activity](/api-reference/contacts/delete-activity.md)