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@sinch/cli

v0.5.7

Published

Official Sinch CLI - Manage all Sinch products from your terminal

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Readme

Sinch CLI

Official command-line interface for Sinch - Manage Functions, Voice, SMS, and more from your terminal

npm version License: MIT

Overview

The Sinch CLI is your unified developer tool for managing all Sinch products. Currently featuring full support for Sinch Functions - create, test, and deploy serverless voice applications. More Sinch products coming soon!

Installation

# Install
npm install -g @sinch/cli

Installation Channels:

  • @latest (default) - Production-ready stable releases published to npmjs
  • @dev - Cutting-edge builds auto-published to the GitLab project registry on every push. Dev builds declare the platform packages as regular dependencies (all 5 install) because GitLab's registry strips optionalDependencies from npm metadata — the launcher still picks the host's binary

How it works — per-architecture packages:

@sinch/cli is a thin launcher. The actual binary ships in a platform-specific package that npm selects automatically at install time:

| Package | Platform | | ------------------------- | ------------------------------- | | @sinch/cli-linux-x64 | Linux x64 | | @sinch/cli-linux-arm64 | Linux ARM64 | | @sinch/cli-darwin-x64 | macOS Intel | | @sinch/cli-darwin-arm64 | macOS Apple Silicon | | @sinch/cli-win32-x64 | Windows x64 / ARM64 (emulation) |

This is the same model used by esbuild and Biome. No install scripts run — npm install --ignore-scripts works fine. Do not use --omit=optional; the platform binary is an optional dependency and the CLI will print an actionable error if it is missing.

Prerequisites

  • Node.js: 20.0.0 or higher (Node 20 LTS or Node 22 LTS recommended)
  • npm: 9.0.0 or higher
  • OS: Windows 10+, macOS 10.15+, or Ubuntu 20.04+

Quick Start

1. Authenticate with Sinch

sinch auth login

2. Create a new function

# Interactive mode - choose from templates
sinch functions init

# Or specify a template directly
# package | function | command | template
sinch functions init simple-voice-ivr

3. Test locally

cd my-voice-app
sinch functions dev

# With runtime tunnel for webhooks
sinch functions dev

4. Deploy to production

sinch functions deploy

5. Monitor your function

# List all functions
sinch functions list

# Stream logs
sinch functions logs <function-id> --follow

# Check status
sinch functions status <function-id>

Available Commands

| Command | Description | | -------------------------------------- | --------------------------------- | | sinch auth login | Authenticate with Sinch platform | | sinch functions init | Create new function from template | | sinch functions dev | Start local development server | | sinch functions deploy | Deploy function to production | | sinch functions list | List all deployed functions | | sinch functions logs | Stream function logs | | sinch functions delete | Delete a deployed function | | sinch sip trunks list | List SIP trunks | | sinch sip trunks create | Create a new SIP trunk | | sinch sip endpoints list <trunkId> | List endpoints for a trunk | | sinch sip endpoints create <trunkId> | Create a SIP endpoint | | sinch voice v2 calls list | List Voice API v2 calls | | sinch voice v2 calls create <to> | Place a Voice API v2 call | | sinch voice v2 calls patch <target> | Add a party to a live call | | sinch voice v2 services list | List Voice API v2 services | | sinch secrets add | Store secrets securely | | sinch config profile list | List credential profiles | | sinch config profile create <name> | Create a credential profile | | sinch templates list | Browse available templates | | sinch help | Show help for any command |

Global options: --profile <name> — use a specific credential profile for any command.

Templates

Create functions from pre-built templates:

Voice Templates

  • node/simple-voice-ivr - Interactive voice menu system
  • node/call-forwarding - Intelligent call routing
  • node/number-masking - Privacy-preserving calls
  • node/conference-call - Multi-party conferences
  • node/voicemail - Complete voicemail system

More Languages

  • csharp/simple-voice-ivr - IVR in C#/.NET
  • java/simple-voice-ivr - Q4 2025

Features

🔐 Secure Secrets Management

Secrets are stored in your OS keychain (Windows Credential Manager, macOS Keychain, Linux Secret Service):

# Add a secret
sinch secrets add STRIPE_KEY sk_test_123456

# List secrets
sinch secrets list

# Use in your function
const stripeKey = process.env.STRIPE_KEY;

🔄 Hot Reload Development

Changes to your function are automatically reloaded during sinch functions dev via file watching (Node.js) or dotnet watch (C#). No flags needed:

sinch functions dev

🐛 VS Code Debugging

All templates include VS Code launch configs. Just press F5 to debug!

🌐 Tunnel Support

Test webhooks locally with runtime-integrated tunneling:

sinch functions dev
# Choose tunnel preference when prompted
# Tunnel runs inside your function runtime

📞 Elastic SIP Trunking

Manage SIP trunks and endpoints for voice connectivity:

# List your SIP trunks
sinch sip trunks list

# Create a new trunk (interactive)
sinch sip trunks create

# Add an endpoint to a trunk
sinch sip endpoints create <trunk-id>

# Get JSON output for scripting
sinch sip trunks list --json

☎️ Voice API v2 (preview)

Voice API v2 replaces the v1 voice application with a service — the container that routes inbound calls — and models a call as an ordered list of commands.

# Services: the inbound routing container
sinch voice v2 services list
sinch voice v2 services create --name "Support line" --webhook-url https://fn.example.com
sinch voice v2 services update <service-id> --webhook-url https://fn.example.com
sinch voice v2 services delete <service-id>

# Calls
sinch voice v2 calls list --call-result COMPLETED
sinch voice v2 calls get <call-id>

# Place a call
sinch voice v2 calls create +15551234567 --from +15559876543

# Bridge a WebSocket audio leg (STREAM)
sinch voice v2 calls create +15551234567 --stream wss://example.com/audio

# Bridge the Voice Relay — Sinch runs STT/TTS, you exchange text
sinch voice v2 calls create +15551234567 --relay wss://example.com/relay --tts-voice Emma

# Print the request body without placing a call
sinch voice v2 calls create +15551234567 --stream wss://example.com/audio --dry-run

# Call two parties and bridge them
sinch voice v2 calls bridge +15551110000 +15552220000 --from +15559876543

# Control a live call: end legs, or dial a third party into its bridge
sinch voice v2 calls hangup <session-id> --call-name origin
sinch voice v2 calls patch <session-id> --call-name origin --dial +15550001111 --end-leg origin

calls patch --dial is the one operation v1 has no equivalent of. v1 can end a leg and play audio into one, but it cannot add a leg to a call that is already up. v2 can, and everything already on the bridge — the other party, a media stream, the Voice Relay — stays attached through the handover.

sinch functions deploy already points a service's webhook at the deployed function when the function declares VOICE_SERVICE_ID; these commands are the same surface for use outside a deploy.

SIP addressing

Write v2 SIP destinations as a full URI, with the scheme. The v2 sip.endpoint schema constrains the field with pattern: "^sips?:", so sip:[email protected] is required and a bare [email protected] is rejected.

The scheme also picks the transport when you do not name one:

| You write | Transport | Meaning | | ---------------------------- | --------- | -------------------- | | sip:[email protected] | UDP | Unencrypted | | sips:[email protected] | TLS | Encrypted signalling |

So the one character between sip: and sips: decides whether SIP signalling is encrypted — worth a second look before a production run.

Do not carry the v1 habit over. Voice v1 wants a bare address and fails a prefixed one with CONGESTION; v2 wants the prefix and rejects a bare one. Opposite rules, different schemas. --dry-run prints the exact body if you want to confirm which shape you are sending.

Documentation

See the wiki for architecture, features, and operations docs.

To clone locally: git clone [email protected]:sinch/sinch-projects/voice/functions/sinch-cli.wiki.git wiki

Resources

  • Sinch Voice API: https://www.sinch.com/products/apis/voice/
  • Documentation: Full CLI reference in /docs
  • Templates Gallery: Browse available templates with sinch templates list

Troubleshooting

Authentication Issues

# Check authentication status
sinch auth status

# Re-authenticate if needed
sinch auth logout
sinch auth login

Debug Levels

DEBUG=1 sinch functions dev       # Basic debug output
DEBUG=2 sinch functions deploy    # Verbose + HTTP logging
DEBUG=3 sinch functions dev       # Full debug with headers

Common Issues

  • Command not found: Reinstall globally with npm install -g @sinch/cli
  • "platform package not installed" error: Your package manager skipped optional dependencies. Reinstall without --omit=optional: npm install -g @sinch/cli
  • Authentication failed: Check your Sinch API credentials with sinch auth status
  • Deployment failed: Verify your function configuration and project access

Development

See docs/DEVELOPMENT.md for the full contributor guide.

Quick start:

npm install
npm run build
npm run setup   # copies binary to ~/.sinch/bin/ and installs completions

Escape hatch — force a specific binary:

SINCH_CLI_BINARY=/path/to/binary sinch <cmd> bypasses platform-package resolution and runs the given binary directly. Useful when testing a locally built binary or a downloaded release without installing the npm package.

Support

License

MIT License - Copyright © 2025 Sinch