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Agent Serve · Communication integration
Place voice AI phone calls and read transcripts and call analysis with Retell AI
Retell AI is a Communication integration for Agent Serve, the AI workspace where teams build and deploy AI agents. Agent Serve's Retell AI integration provides 9 Retell AI tools and 1 real-time trigger that AI agents can use inside Agent Serve's visual workflow builder. Retell AI connects with an API key. Explore deployment options with the Agent Serve team.
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Run outbound voice AI calls with Retell AI. Place single calls with per-call dynamic variables and metadata, launch batch calling campaigns, read transcripts, recordings, and post-call analysis (summary, sentiment, success, custom extracted data), list and filter calls, end or delete calls, and look up agents and phone numbers. Retell can also trigger workflows when a call starts, ends, or is analyzed.
Agent Serve accounts are created by invitation. Request access for your team, or accept an invitation from your workspace admin, then sign in.
Open your workspace, drag a Retell AI block onto the workflow builder, and paste in your Retell AI API key.
Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your Retell AI automation is live.
9 Retell AI tools available in Agent Serve.
Place an outbound phone call from a Retell voice AI agent. Pass per-call dynamic variables to personalize the agent prompt and metadata to tag the call. Returns the call ID used to track it.
Get a Retell call by ID: status, transcript, recording, disconnection reason, cost, and post-call analysis (summary, sentiment, success, and custom extracted data). Transcript and recording appear once the call ends; analysis once it is analyzed.
List Retell calls, newest first by default, filtered by agent, status, or any documented filter (numbers, timestamps, sentiment, success, disconnection reason, metadata, custom analysis data). Items carry status, numbers, timings, recording, and analysis but not the transcript; use Get Call for that.
End an ongoing Retell call immediately.
Permanently delete a Retell call and its associated data (transcript, recording, and analysis).
Start an outbound Retell calling campaign: one call per task, each with its own number, dynamic variables, and metadata. Send now or schedule a start time, optionally limited to calling windows.
List Retell agents with their IDs, names, channel (voice or chat), and suspension status, optionally searching by name or ID.
Get a Retell voice agent's configuration: name, version, publish state, response engine, voice, language, webhook URL, and the full agent object.
List the phone numbers in your Retell account with their type, nickname, and the inbound and outbound agents bound to them.
Connect a Retell AI webhook to Agent Serve and your agent runs the instant an event happens, no polling, no delay.
Trigger workflow when a Retell call starts, ends, or finishes post-call analysis, with its transcript, recording, and analysis
Ready-to-use templates featuring Retell AI. Click any to build it instantly.
Agent Serve's Retell AI integration adds 9 Retell AI tools and 1 real-time trigger to the AI agents you build in Agent Serve's visual workflow builder — you build it all visually. Place voice AI phone calls and read transcripts and call analysis with Retell AI. Teams often pair Retell AI with Affinity and Rippling in the same agent.
Agent Serve is available to teams by invitation. Request access and the team will map out the Retell AI agents, connections, and team access your process needs.