> For the complete documentation index, see [llms.txt](https://heyguest-ai.gitbook.io/heyguest/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://heyguest-ai.gitbook.io/heyguest/reference/api-reference.md).

# API Reference

### Contacts

Manage customer contacts and their communication preferences. These endpoints allow you to create, retrieve, and update contact information including consent settings for different communication channels.

{% content-ref url="/pages/cHdJUCQCfZaIsw1LGzZ7" %}
[Contacts](/heyguest/reference/api-reference/contacts.md)
{% endcontent-ref %}

### Channels

Manage communication channels (WhatsApp, Messenger, Instagram) that are configured for your team to send messages through.

{% content-ref url="/pages/bd6r8JoFCsiVCZFhhoLg" %}
[Channels](/heyguest/reference/api-reference/channels.md)
{% endcontent-ref %}

## Whatsapp

Send WhatsApp template messages to your contacts through your configured WhatsApp Business channels.

{% content-ref url="/pages/bsUFnhVdUgaFuHxHy2cD" %}
[WhatsApp](/heyguest/reference/api-reference/whatsapp.md)
{% endcontent-ref %}

### Locations

View your locaton IDs for your team

{% content-ref url="/pages/76Mv20DTh5hE3l9xGEx7" %}
[Locations](/heyguest/reference/api-reference/locations.md)
{% endcontent-ref %}