- Support and lead qualification on a business phone number.
- Teams that already run sales or service communication in WhatsApp.
- Scenarios where an operator should step in only after AI handles routine questions.
WhatsApp channel
Connect a WhatsApp AI agent to your business number.
Use WhatsApp when customers already expect to write to your business number and you want AI, operators, and conversation history in one workspace.
- WhatsApp joins the same inbox, usage tracking, and operator flow as your other channels.
- The agent can answer from KB, call external systems, and keep the user moving in one thread.
- Interactive choices can stay structured instead of forcing every user to type free-form replies.
- You can use either a new Meta app or an existing one, as long as the WhatsApp product is added and the correct business phone is connected.
- BldBot only asks for `phone_number_id`, `access_token`, and `verify_token`. The callback URL is shown in BldBot after activation and must then be added in Meta Webhooks.
- Meta often gives a temporary user access token for initial testing. For production, switch to a longer-lived system user token.
Setup instructions
- Open Meta for Developers and either create a new app or open an existing one, then add the WhatsApp product. If you are starting from scratch, Meta's WhatsApp Cloud API Getting Started guide is the best reference.
- In WhatsApp API Setup, connect or choose the correct WhatsApp Business Account and phone number, then copy the `Phone Number ID` and `Access Token`. For the first test, Meta's temporary token is enough; for production, use a system user token.
- Open the BldBot workspace, go to the agent page, paste `phone_number_id`, `access_token`, and your own `verify_token` into WhatsApp activation, then enable the channel.
- Copy the WhatsApp callback URL shown by BldBot into Meta Webhooks, set the same `verify_token`, and subscribe the app to `messages`. If needed, use Meta's Set Up Webhooks guide while configuring this step.
- Send one real WhatsApp message from a phone, then confirm that the dialog appears in Conversations and that the reply goes back to the same chat.
What to verify after activation
- The message arrives in Conversations under the correct agent.
- The reply goes back to the same WhatsApp chat, not only into internal logs.
- Buttons or structured replies appear in a way that matches the current WhatsApp UI rules.
Typical issues
- The token expired or does not have the needed WhatsApp permissions.
- The wrong ID was copied: BldBot needs `Phone Number ID`, not WABA ID or Business ID.
- The webhook callback URL or verify token was set incorrectly, or the app was not subscribed to `messages`.
Ready to launch this channel?
Open the app, connect the channel, and test it with one real message before you scale it further.