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Back to Integrations

WhatsApp

Send WhatsApp messages

WhatsApp is a Communicationintegration for Sim, the AI workspace where teams build and deploy AI agents. Sim's WhatsApp integration provides 1 real-time trigger that AI agents can use inside Sim's visual workflow builder. WhatsApp connects with an API key. Free to start at sim.ai.

View docs

Last updated June 12, 2026

Overview

Integrate WhatsApp into the workflow. Can send messages.

How to automate WhatsApp 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 a WhatsApp block

    Open your workspace, drag a WhatsApp block onto the workflow builder, and paste in your WhatsApp 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 WhatsApp automation is live.

Real-time triggers

Connect a WhatsApp webhook to Sim and your agent runs the instant an event happens, no polling, no delay.

WhatsApp Webhook

Trigger workflow from WhatsApp incoming messages and message status webhooks

Agent templates

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

Frequently asked questions

Sim's WhatsApp integration adds 1 real-time trigger to the AI agents you build in Sim's visual workflow builder — no code required. Send WhatsApp messages. Teams often pair WhatsApp with AgentPhone and Discord in the same agent.

Connecting WhatsApp takes about five minutes: (1) Create a free account at sim.ai. (2) Create an agent in your workspace. (3) Drag a WhatsApp block onto the workflow builder. (4) Paste your WhatsApp API key to authenticate — you can find it in your WhatsApp account settings. (5) Choose the WhatsApp event you want to listen for, and your agent runs automatically from then on.

Add a WhatsApp trigger block to your agent and copy its generated webhook URL into WhatsApp's webhook settings. Sim supports 1 real-time trigger for WhatsApp: WhatsApp Webhook. Once configured, every matching WhatsApp event starts your agent instantly — no polling, no delay.

Sim receives the full event payload WhatsApp sends — typically the record or object that changed, plus metadata like the event type and timestamp. Every field in the payload is available as a variable you can pass to AI blocks, conditions, or other integrations.

AgentPhone

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

Discord

Interact with Discord

Linq

Send iMessage, SMS, and RCS messages and manage conversations with Linq

Sendblue

Send and receive iMessage and SMS

Sim

Start automating WhatsApp today

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