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Back to Integrations

AgentMail

Manage email inboxes, threads, and messages with AgentMail

AgentMail is a Emailintegration for Sim, the AI workspace where teams build and deploy AI agents. Sim's AgentMail integration provides 21 AgentMail tools that AI agents can use inside Sim's visual workflow builder. AgentMail connects with an API key. Free to start at sim.ai.

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Last updated June 12, 2026

Overview

Integrate AgentMail into your workflow. Create and manage email inboxes, send and receive messages, reply to threads, manage drafts, and organize threads with labels. Requires API Key.

How to automate AgentMail with Sim

  1. 01

    Create a free account

    Sign up at sim.ai in seconds. No credit card required. Your workspace is ready immediately.

  2. 02

    Add an AgentMail block

    Open your workspace, drag an AgentMail block onto the workflow builder, and paste in your AgentMail API key.

  3. 03

    Configure, connect, and run

    Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your AgentMail automation is live.

Agent templates

Ready-to-use templates featuring AgentMail. Click any to build it instantly.

Supported tools

21 AgentMail tools available in Sim

Send Message

Send an email message from an AgentMail inbox

Reply to Message

Reply to an existing email message in AgentMail

Forward Message

Forward an email message to new recipients in AgentMail

List Threads

List email threads in AgentMail

Get Thread

Get details of a specific email thread including messages in AgentMail

Update Thread Labels

Add or remove labels on an email thread in AgentMail

Delete Thread

Delete an email thread in AgentMail (moves to trash, or permanently deletes if already in trash)

List Messages

List messages in an inbox in AgentMail

Get Message

Get details of a specific email message in AgentMail

Update Message Labels

Add or remove labels on an email message in AgentMail

Create Draft

Create a new email draft in AgentMail

List Drafts

List email drafts in an inbox in AgentMail

Get Draft

Get details of a specific email draft in AgentMail

Update Draft

Update an existing email draft in AgentMail

Delete Draft

Delete an email draft in AgentMail

Send Draft

Send an existing email draft in AgentMail

Create Inbox

Create a new email inbox with AgentMail

List Inboxes

List all email inboxes in AgentMail

Get Inbox

Get details of a specific email inbox in AgentMail

Update Inbox

Update the display name of an email inbox in AgentMail

Delete Inbox

Delete an email inbox in AgentMail

Frequently asked questions

Sim's AgentMail integration adds 21 AgentMail tools to the AI agents you build in Sim's visual workflow builder — no code required. Manage email inboxes, threads, and messages with AgentMail. Teams often pair AgentMail with Rippling and Linear in the same agent.

You can send Message, reply to Message, forward Message, list Threads, and get Thread with AgentMail in Sim, plus 16 more AgentMail tools listed on this page. Each runs as a tool inside an AI agent block, so an agent can chain AgentMail with services like Rippling and Linear and apply LLM reasoning between steps.

Connecting AgentMail takes about five minutes: (1) Create a free account at sim.ai. (2) Create an agent in your workspace. (3) Drag an AgentMail block onto the workflow builder. (4) Paste your AgentMail API key to authenticate — you can find it in your AgentMail account settings. (5) Pick a tool such as "Send Message", wire up its inputs, and click Run — your agent is live.

Add an AgentMail block to your agent and select "Send Message" as the tool. Send an email message from an AgentMail inbox. Fill in the required fields — inputs can reference outputs from earlier steps, such as text generated by an AI block or data fetched from another integration. No code is required.

Rippling

Manage workers, departments, custom objects, and company data in Rippling

Linear

Interact with Linear issues, projects, and more

SAP Concur

Manage expense reports, travel requests, cash advances, and more in SAP Concur

GitHub

Interact with GitHub or trigger workflows from GitHub events

Sim

Start automating AgentMail today

Build your first AI agent with AgentMail in minutes. Connect to every tool your team uses. Free to start, no credit card required.