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You will need:
  • A Twilio account
  • A Twilio phone number (can be a trial number)
  • Your Twilio Account SID and Auth Token
This guide walks you through configuring Layercode to answer calls to your Twilio phone number.

If you’d like to trigger outbound calls from your Layercode Agent, see Outbound calls with Twilio.
  1. Go to the Layercode dashboard at https://dash.layercode.com and select your agent.
  2. Open the client settings, enable Twilio phone calls, and then save changes.
Edit client for Twilio
  1. Go to the Layercode settings at https://dash.layercode.com/settings.
  2. Add your Twilio Account SID and Auth Token, then save.
Save Twilio credentials
Twilio recently changed where the Auth Token and Account SID are displayed. In the Twilio Console, use the search bar to find “Account SID” and “Auth Token”.
  1. Return to your agent’s client settings. You should now be able to select a Twilio phone number.
If you don’t see your number, refresh the page. Ensure the number is in the same Twilio account as the credentials you added.
You can assign multiple Twilio phone numbers to a single agent. For each call, Layercode stores the from/to phone numbers (and country codes) on the session. See the REST API for retrieving these details along with transcripts and recordings.
  1. Test by calling the number. For a quick check, set a short welcome message in Layercode (for example, “Hello from Layercode”).
  2. To run Twilio in production, you will need a backend where you can run your LLM flow. You should review one of our backend tutorials, for example, check out our Next.js quick start. And you can consult the reference on webhooks to see how you can receive the from_phone_number and to_phone_number.
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