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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 flowTalk 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.

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.

"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.

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.

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.

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