Send SMS messages
Twilio SMS is a Communicationintegration for Sim, the AI workspace where teams build and deploy AI agents. Sim's Twilio SMS integration provides 2 real-time triggers that AI agents can use inside Sim's visual workflow builder. Twilio SMS connects with an API key. Free to start at sim.ai.
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Integrate Twilio into the workflow. Can send SMS messages.
Sign up at sim.ai in seconds. No credit card required. Your workspace is ready immediately.
Open your workspace, drag a Twilio SMS block onto the workflow builder, and paste in your Twilio SMS API key.
Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your Twilio SMS automation is live.
Connect a Twilio SMS webhook to Sim and your agent runs the instant an event happens, no polling, no delay.
Twilio SMS Received
Trigger workflow when an inbound SMS or MMS message is received via Twilio
Twilio Message Status
Trigger workflow when a Twilio message status changes (sent, delivered, failed)
Ready-to-use templates featuring Twilio SMS. Click any to build it instantly.
Sim's Twilio SMS integration adds 2 real-time triggers to the AI agents you build in Sim's visual workflow builder — you build it all visually. Send SMS messages. Teams often pair Twilio SMS with AgentPhone and Discord in the same agent.

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