> ## Documentation Index
> Fetch the complete documentation index at: https://help.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://help.cloudtalk.io/llms.txt).


## Related topics

- [Contact actions](https://help.cloudtalk.io/api-reference/bulks-legacy/contact-actions.md)
- [Triggering a VoiceAgent Call from Pipedrive](https://help.cloudtalk.io/en/articles/15516233-triggering-a-voiceagent-call-from-pipedrive.md)
- [Using CloudTalk with Zoho](https://help.cloudtalk.io/en/articles/5375783-using-cloudtalk-with-zoho.md)


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