1 Connect the webhook in Meta
In your Meta app → WhatsApp → Configuration → Webhook, click
Edit and paste these two values, then subscribe to the
messages field.
- Paste the Callback URL and Verify token, click Verify and save.
- Under Webhook fields, subscribe to
messages.
2 WhatsApp Business credentials
From WhatsApp → API Setup in your Meta app. Use a permanent System User access token for production.
3 AI brain (Claude)
The Anthropic API key powers the replies. Get one at console.anthropic.com.
4 Send a test message
Enter a WhatsApp number (with country code, no +). During development the number must be added as a recipient in the Meta API Setup page.