What can I automate with AgentPhone in Sim?

With Sim you can: Create Number; List Numbers; Release Number; Get Number Messages; Create Call; and 17 more tools. Each action runs inside an AI agent block, so you can combine AgentPhone with LLM reasoning, conditional logic, and data from any other connected service.

How do I connect AgentPhone to Sim?

Getting started takes under five minutes: (1) Create a free account at sim.ai. (2) Open your workspace and create an agent. (3) Drag a AgentPhone block onto the workflow builder. (4) Add your API key to authenticate — find it in your account settings. (5) Choose the tool you want to use, wire it to the inputs you need, and click Run. Your agent is live.

Can I use AgentPhone as a tool inside an AI agent in Sim?

Yes — this is one of Sim's core capabilities. Instead of hard-coding when and how AgentPhone is used, you give an AI agent access to AgentPhone tools and describe the goal in plain language. The agent decides which tools to call, in what order, and how to handle the results. This means your automation adapts to context rather than breaking when inputs change.

How do I create number with AgentPhone in Sim?

Add a AgentPhone block to your agent and select "Create Number" as the tool. Fill in the required fields — you can reference outputs from earlier steps, such as text generated by an AI agent or data fetched from another integration. No code is required.

What AgentPhone tools does Sim support?

Sim supports 22 AgentPhone tools: Create Number, List Numbers, Release Number, Get Number Messages, Create Call, List Calls, Get Call, Get Call Transcript, List Conversations, Get Conversation, Update Conversation, Get Conversation Messages, Send Message, React to Message, Create Contact, List Contacts, Get Contact, Update Contact, Delete Contact, Get Usage, Get Daily Usage, Get Monthly Usage.

Is the AgentPhone integration free to use?

Yes — Sim's free plan includes access to the AgentPhone integration and every other integration in the library. No credit card is needed to get started. Visit sim.ai to create your account.

Back to Integrations

AgentPhone

Provision numbers, send SMS and iMessage, and place voice calls with AgentPhone

View docs

Overview

Give your workflow a phone. Provision SMS- and voice-enabled numbers, send messages and tapback reactions, place outbound voice calls, manage conversations and contacts, and track usage — all through a single AgentPhone API key.

How to automate AgentPhone with Sim

Create a free account
Sign up at sim.ai in seconds. No credit card required. Your workspace is ready immediately.
Add a AgentPhone block
Open your workspace, drag a AgentPhone block onto the workflow builder, and paste in your AgentPhone API key.
Configure, connect, and run
Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your AgentPhone automation is live.

Supported tools

22 AgentPhone tools available in Sim

Create Number

Provision a new SMS- and voice-enabled phone number

List Numbers

List all phone numbers provisioned for this AgentPhone account

Release Number

Release (delete) a phone number. This action is irreversible.

Get Number Messages

Fetch messages received on a specific phone number

Create Call

Initiate an outbound voice call from an AgentPhone agent

List Calls

List voice calls for this AgentPhone account

Get Call

Fetch a call and its full transcript

Get Call Transcript

Get the full ordered transcript for a call

List Conversations

List conversations (message threads) for this AgentPhone account

Get Conversation

Get a conversation along with its recent messages

Update Conversation

Update conversation metadata (stored state). Pass null to clear existing metadata.

Get Conversation Messages

Get paginated messages for a conversation

Send Message

Send an outbound SMS or iMessage from an AgentPhone agent

React to Message

Send an iMessage tapback reaction to a message (iMessage only)

Create Contact

Create a new contact in AgentPhone

List Contacts

List contacts for this AgentPhone account

Get Contact

Fetch a single contact by ID

Update Contact

Update a contact

Delete Contact

Delete a contact by ID

Get Usage

Retrieve current usage statistics for the AgentPhone account

Get Daily Usage

Get a daily breakdown of usage (messages, calls, webhooks) for the last N days

Get Monthly Usage

Get monthly usage aggregation (messages, calls, webhooks) for the last N months

Frequently asked questions

Sim's AgentPhone integration lets you build AI agents that automate tasks in AgentPhone without writing code. Provision numbers, send SMS and iMessage, and place voice calls with AgentPhone You can connect AgentPhone to hundreds of other services in the same agent — from CRMs and spreadsheets to messaging tools and databases.

Start automating AgentPhone today

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

How to automate AgentPhone with Sim

Create a free account

Add a AgentPhone block

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

Configure, connect, and run

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

Frequently asked questions