In the table below, you can find an overview of some of the limitations each channel has:
| Certainly Widget | Facebook (FB) Messenger | Zendesk (ZD) | Microsoft Azure Channels | |||
| Suggested Replies (SR) |
Supports up to 11 SR |
Supports SR up to 20 characters Supports up to 11 SR |
Supports SR up to 20 characters Supports up to 11 SR |
Supported |
Supported only from mobile Supports SR up to 20 characters Supports up to 11 SR |
Supports SR up to 20 characters Supports up to 10 SR |
| Markdown | Supported | Supported only from desktop | Not supported | Supported | Not supported | Supported |
| Sharing location | Not supported | Not supported as of December 10th, 2019 | Not supported | Not supported | Not supported | Not supported |
| Media | Supported | Supported | As URLs | Supported | Supported | Supported |
| Persistent Menu | Supported | Supports up to three menu items | Not supported | Not supported | Not supported | Not supported |
| Ability to remember a user |
Supported and controlled through Session Expiration (See a full overview of widget functionality) |
Supported | Supported | Supported | Supported | Supported |
| Broadcasting | Not supported | Supported | Not supported | Not supported | Supported | Supported |
| Autoload bot | Supported | Not supported | Not supported | Not supported | Not supported | Not supported |
| Generic Cards | Supported | Supported | Supported |
Not supported Displayed as image |
Supported Buttons displayed as links |
|
| Dynamic Cards | Supported | Supported |
Maximum 10 cards. |
Not supported Displayed as image |
Supported Buttons displayed as links |