Connect 100+ apps with one-click OAuthRead the docs
Hermes AgentHermes Agent×Retell AI

Connect Hermes Agent to Retell AI

ClawLink connects Hermes Agent to Retell AI in one click with managed credential setup, no manual app setup, and 12 tools your agent can call from chat.

ClawLink gives Hermes Agent a more practical Retell AI setup than rolling your own integration. Instead of building auth, token refresh, and tool wiring yourself, you connect once and start using real Retell AI actions from chat.

  • Hosted setup — no custom app wiring
  • 12 tools available immediately.
  • First integration free.
Hermes Agent
+
Hermes Agent connected to Retell AI through ClawLink

How to connect Hermes Agent to Retell AI

Three steps. No developer needed.

1

Install ClawLink

Add the ClawLink plugin to Hermes Agent once. Takes under a minute.

2

Connect Retell AI

Click Connect next to Retell AI in the ClawLink dashboard. Authenticate in a single click.

3

Use from chat

Ask Hermes Agent to use Retell AI in plain English. ClawLink routes the call.

Why teams connect Retell AI to Hermes Agent

These use cases change by integration category, available tools, and setup model. This page is not just a cloned template with the logo swapped.

Use case

Blend model workflows with real tools

Use Retell AI inside Hermes Agent when you want model output and operational actions to happen in one flow.

Use case

Reduce glue-code work

ClawLink makes Retell AI accessible from chat so teams can test useful workflows before writing custom automation around them.

Use case

Keep experimentation practical

Hermes Agent can call Retell AI, inspect the results, and help iterate without a separate integration project first.

What Hermes Agent can do with Retell AI

12 Retell AI tools available the moment you connect. Every action is one chat message away.

retellai_add_community_voice

Add a community voice from ElevenLabs to your Retell voice library. Use when you need to import a shared community voice for use in your agents.

retellai_add_knowledge_base_sources

Tool to add sources (documents, URLs, text) to an existing knowledge base in Retell AI. Use when you need to add additional content to a knowledge base. At least one of knowledge_base_texts, knowledge_base_files, or knowledge_base_urls should be provided.

retellai_buy_a_new_phone_number_bind_agents

This endpoint allows purchasing a new phone number with a specified area code and binding it to designated agents for inbound and outbound calls. It requires JSON with agent IDs and area code. Responses indicate the creation status or errors. A purchased phone number is a prerequisite for initiating outbound calls; an empty phone number inventory will prevent outbound calls from being made.

retellai_create_a_new_outbound_phone_call

Initiate an outbound call by POST to '/v2/create-phone-call'. Requires 'from_number' and 'to_number' in E.164 format. Optional overrides and metadata supported. On success, returns call details including type, status, and IDs.

retellai_create_a_new_web_call

The /v2/create-web-call endpoint creates a web call with a unique agent ID, returning call details like type, token, call ID, and status in JSON format, with a 201 response. Optional metadata and variables can be included.

retellai_create_agent

Create a new voice AI agent with specified configuration. Use when you need to set up a voice-based AI agent with custom response engine, voice settings, and behavior configuration.

+ 6 more Retell AI tools available after you connect.

Example prompts for Hermes Agent + Retell AI

Real examples based on the actual Retell AI tools exposed through ClawLink.

Add a community voice from ElevenLabs to your Retell voice library. Use when you need to import a shared community voice for use in your agents

Use Retell AI to add a community voice from elevenlabs to your retell voice library. use when you need to import a shared community voice for use in your agents and walk me through the result in plain English.

Tool to add sources (documents, URLs, text) to an existing knowledge base in Retell AI. Use when you need to add additional content to a knowledge base. At least one of knowledge_base_texts, knowledge_base_files, or knowledge_base_urls should be provided

Use Retell AI to tool to add sources (documents, urls, text) to an existing knowledge base in retell ai. use when you need to add additional content to a knowledge base. at least one of knowledge_base_texts, knowledge_base_files, or knowledge_base_urls should be provided and walk me through the result in plain English.

This endpoint allows purchasing a new phone number with a specified area code and binding it to designated agents for inbound and outbound calls. It requires JSON with agent IDs and area code. Responses indicate the creation status or errors. A purchased phone number is a prerequisite for initiating outbound calls; an empty phone number inventory will prevent outbound calls from being made

Use Retell AI to this endpoint allows purchasing a new phone number with a specified area code and binding it to designated agents for inbound and outbound calls. it requires json with agent ids and area code. responses indicate the creation status or errors. a purchased phone number is a prerequisite for initiating outbound calls; an empty phone number inventory will prevent outbound calls from being made and walk me through the result in plain English.

Initiate an outbound call by POST to '/v2/create-phone-call'. Requires 'from_number' and 'to_number' in E.164 format. Optional overrides and metadata supported. On success, returns call details including type, status, and IDs

Use Retell AI to initiate an outbound call by post to '/v2/create-phone-call'. requires 'from_number' and 'to_number' in e.164 format. optional overrides and metadata supported. on success, returns call details including type, status, and ids and walk me through the result in plain English.

How ClawLink compares to manual Retell AI setup

The alternative to ClawLink is usually manual API key setup plus your own token handling, permission troubleshooting, and tool plumbing for Hermes Agent. That is fine if you want to build and maintain the integration yourself. Most teams just want Retell AI working from chat.

Credential handling

Manual setup

Collect, validate, store, and rotate the Retell AI API key yourself, then make sure every tool call uses the right account.

With ClawLink

Users complete the hosted ClawLink setup once and the connected Retell AI account becomes available to the agent without you building credential management.

Ongoing maintenance

Manual setup

You own refresh logic, permission debugging, environment config, and every provider-specific edge case for Retell AI.

With ClawLink

ClawLink handles the repetitive integration plumbing so your team can focus on the workflow instead of the infrastructure.

Agent usability

Manual setup

You still need to expose the right Retell AI actions to the runtime in a format your agent can reliably use.

With ClawLink

12 tools for Retell AI are already exposed through ClawLink, so the agent can read and act from chat immediately.

More AI & ML connections for Hermes Agent

If Retell AI is only one part of the workflow, these nearby integrations are the next places to look.

What setup looks like for Retell AI

Connect retellai through ClawLink's hosted Composio setup.

Retell AI relies on an API key connection, but ClawLink still keeps the setup in one place and exposes the tools to the agent after the account is linked.

Hermes Agent works best when the request is concrete. Ask for a specific outcome in Retell AI instead of a vague "check this" instruction.

Common connection issues

Connection succeeds but no tools appear

Reconnect Retell AI from the dashboard, then start a fresh chat if the runtime still has the old tool catalog loaded.

The Retell AI account is connected but the action fails

Check whether the connected account has access to the workspace, inbox, store, or project you are trying to use. Most failures at this stage are permission mismatches, not ClawLink bugs.

API key setup works but results look incomplete

Double-check that the API key for Retell AI has the right scopes or account access. A valid key can still be too limited for some reads or writes.

Using OpenClaw?

Also available for OpenClaw

OpenClaw Retell AI integration

Ready to connect Retell AI?

Your first integration is free. Get Hermes Agent talking to Retell AI in under two minutes.

Connect Retell AI to Hermes Agent

No credit card required for the first integration.

ClawLink is the simplest way to connect Hermes Agent to Retell AI. Page canonical: https://claw-link.dev/hermes/retellai.