How do I connect Retell AI?

Add the Retell AI piece to a flow, then authenticate with Custom auth. Once connected, its 1 trigger and 7 actions are available anywhere in the builder.

What can I automate with Retell AI?

"New Call" can start a flow that runs "Make Phone Call", and you can chain Retell AI together with any of 760+ other apps and AI steps in between.

Can I self-host the Retell AI integration?

Yes. Activepieces is fully self-hostable, so you can run the Retell AI piece on your own infrastructure with your connections and your data staying in your environment.

Can my AI agent use Retell AI as a tool?

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call Retell AI actions as tools.

Retell AI integration

Connect Retell AI to Activepieces and automate it end to end, without writing code.

Start building Use Retell AI with your AI

Actions: 7
Triggers: 1
Auth: Custom auth
License: MIT, open source
Updated: September 2026

About the Retell AI integration

Add the Retell AI piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine Retell AI with 760+ other apps in the same flow.

Triggers

Start a flow the moment something happens in Retell AI

Each trigger below can start a flow on its own, either instantly or on a schedule.

New Call
Triggers when a new outgoing or incoming call is created.
1 field

Actions

Everything Activepieces can do in Retell AI

Drop any of these into a flow and fill in the fields. No code is required.

Make Phone Call
Initiate a new outbound phone call using Retell AI agents.
7 fields
Create Phone Number
Buys a new phone number and binds agents.
11 fields
Get Call
Retrieve detailed data of a specific call (e.g., transcript), given a Call ID.
1 field
Get Phone Number
Retrieve full details for an existing phone number in Retell AI.
1 field
Get Voice
Retrieve details for a specific voice model or configuration by ID in Retell AI.
1 field
Get Agent
Fetch details of a Retell AI agent by Agent ID.
2 fields
Custom API Call
Make a custom API call to a specific endpoint
10 fields

Use Retell AI in a flow

Connect Retell AI once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

Build a Retell AI flow Talk to sales

Retell AI, answered.

Yes. Activepieces is open source and free to start, and the Retell AI piece is included on every plan, from the free cloud tier to any self-hosted deployment.

Guides using Retell AI

Retell AI automation Read our quick guide on Retell AI automation. Discover how it works, explore common use cases, and learn how Activepieces can help.Best Vapi Alternatives: Which Voice AI Platform Is Better? Vapi alternatives provide diverse options for developers needing specific latency, emotional synthesis, or integration capabilities for voice agents.

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