Official Business API. $5/mo, no markup.
Messenger
Page inbox + automated replies.
Telegram
Bot API with rich media support.
Gmail + custom SMTP. Threaded inbox.
Slack
Internal team chat & alerts.
Shopify chat
Native store widget.
Zapier
Trigger flows from 6,000+ apps.
Skype
Microsoft Teams + Skype Business.
Plus: Instagram DMs, SMS, Voice, Viber, and more.