Functions
Functions & CLI
Write a function, deploy it, and Sinch routes live voice and messaging traffic to your code — all driven from one CLI.
Learn more
FAQ
Voice calls
Voice eventsSinch calls your function on every inbound call (ICE/ACE/PIE/DICE)
SMS & WhatsApp
Messaging eventsConversation API webhooks routed to your handler
What you can buildDeploy serverless logic for voice and messaging
Getting started
Install the CLI and log in
CLI reference
Every command the sinch CLI offers
Templates
Start from a prebuilt Node.js or C# template
Runtimes
Node.js and C# runtime reference