Connect Retell AI with Topcalls AI voice agents
7 actions · 1 trigger · Last verified July 1, 2026
The short answer
Retell AI connects to Topcalls so your AI voice agents can act on Retell AI during live phone calls. All 7 actions and 1 trigger below are available to your agents, including create Phone Number and get Agent. Topcalls runs calls at $0.35/min all-inclusive with sub-500ms response latency, across 32 languages.
What you can automate with Retell AI
Create Phone Number during a call
While the agent is on the phone, Topcalls can create Phone Number in Retell AI automatically. That keeps your Retell AI records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.
Get Agent during a call
While the agent is on the phone, Topcalls can get Agent in Retell AI automatically. That keeps your Retell AI records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.
Get Call during a call
While the agent is on the phone, Topcalls can get Call in Retell AI automatically. That keeps your Retell AI records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.
Start a call when new Call
When new Call in Retell AI, Topcalls can launch an AI voice call automatically. You reach the contact within seconds while intent is high, and the outcome flows back to Retell AI.
Keep Retell AI in sync after every call
After each AI call, Topcalls writes the outcome, transcript summary, and next step back to Retell AI. Your records stay accurate without anyone updating them by hand.
Retell AI actions
What your AI voice agent can do in Retell AI during and after a call.
Create Phone Number
Buys a new phone number and binds agents.
Get Agent
Fetch details of a Retell AI agent by Agent ID.
Get Call
Retrieve detailed data of a specific call (e.g., transcript), given a Call ID.
Get Phone Number
Retrieve full details for an existing phone number in Retell AI.
Get Voice
Retrieve details for a specific voice model or configuration by ID in Retell AI.
Make Phone Call
Initiate a new outbound phone call using Retell AI agents.
Custom API Call
Call any Retell AI REST API endpoint directly from your workflow.
Retell AI triggers
Events in Retell AI that can start a Topcalls call automatically.
New Call
Triggers when a new outgoing or incoming call is created.
Frequently asked questions
Can Topcalls AI voice agents use Retell AI?
Yes. Topcalls connects to Retell AI so your AI voice agents can act on it during a call and sync outcomes after. No code is required to set it up.
What can Topcalls do with Retell AI?
Your agents can create Phone Number, get Agent, get Call, plus every other Retell AI action and trigger listed on this page.
How much does the Retell AI integration cost?
The Retell AI integration is included. Topcalls bills $0.35/min all-inclusive, which covers the AI voice model, telephony, recording, transcription, and analytics.
Do I need code to connect Retell AI to Topcalls?
No. You connect Retell AI in the Topcalls integrations area and pick the actions and triggers you want. It works across 32 languages.
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Start calling with Retell AI in a day, not a quarter
AI voice calling at $0.35/min, all-inclusive per-minute. sub-500ms response latency. 32 languages.