Integrations

Connect Lux to external services for email, SMS, voice, messaging, and custom APIs.

Available Integrations

Communication

Integration	Provider	Use Case
Email	Resend, Gmail	Send transactional emails
SMS	Twilio	Send text messages
Voice	Twilio + ElevenLabs	Phone calls with AI
Slack	Slack	Post messages to channels

Custom

Integration	Description
Custom Tools	Connect any API as a tool

Setting Up Integrations

Navigate to Settings → Integrations
Select the integration to configure
Enter API credentials
Test the connection
Use in Flows and Agents

Integration Credentials

Store API keys and secrets securely:

Credentials are encrypted at rest
Organization-level access
Managed in Settings → Credentials

Using Integrations in Flows

Once configured, use integrations via action nodes:

Trigger → Process Data → Send Email → Respond

Available action nodes:

Send Email - Email integration
Send SMS - SMS integration
Voice Agent - Voice integration
Slack Message - Slack integration
API Request - Custom API calls

Rate Limits & Pricing

Each integration has its own limits and pricing:

Integration	Rate Limits	Pricing
Email (Resend)	100/day free tier	Per email after
SMS (Twilio)	Account limits	Per message
Voice (Twilio)	Account limits	Per minute
Slack	API rate limits	Free

See provider documentation for details.

Next: Email →

Voice Agents Email