> For the complete documentation index, see [llms.txt](https://docs.zaia.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zaia.app/channels/channel-types.md).

# Channel Types

Each channel type follows a unique **authentication and connection flow**.

## **Summary**

| Channel Type            | Authentication      | Connection Flow            | Customization               | Typical Use                             |
| ----------------------- | ------------------- | -------------------------- | --------------------------- | --------------------------------------- |
| **Widget**              | None                | Instant setup              | Full color + code embedding | Websites and apps                       |
| **WhatsApp (Waha)**     | QR Code             | Mobile scan pairing        | None                        | Personal or small business accounts     |
| **WhatsApp (Official)** | OAuth via Facebook  | Login + Meta authorization | None                        | Official Business API integration       |
| **Instagram**           | OAuth via Instagram | Login and authorization    | None                        | DMs through connected Instagram account |
| **Telegram**            | Bot token           | Token validation + webhook | Split long messages         | Private 1:1 bot conversations           |