WhatsApp, Telegram and Instagram
Answer messages from every app in one inbox.
Telegram
Create a bot with @BotFather, copy its token, then open Channels, Add channel, Telegram, and paste the token. The webhook is set for you.
Use the WhatsApp Business Cloud API. Paste the app secret, access token and phone number ID, and add the webhook address shown in Chatumi to your Meta app.
Connect your Instagram professional account to a Meta app with Instagram messaging. Paste the app secret, access token and account ID, then add the webhook address shown in Chatumi.
Reply windows
WhatsApp and Instagram only allow free replies within 24 hours of the customer's last message. After that, start a new conversation from their app.