Add voice calling and messaging to your mobile application
Your phone as an API for SMS, calls, recordings and transcripts
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
NO
Pricing model
Free
Paid
Pricing
Free for single email address use, with optional paid plans for multiple email addresses
Monthly subscription per connected line (exact price not specified in documentation). Recording and transcription are optional, charged from prepaid credits at rates shown in workspace. Credits are in US dollars and never expire while workspace is active.
Key features
iOS and Android support
Call recording and retrieval
Anonymous customer-to-driver communication
Data connection calling
In-app messaging functionality
International calling support
Fully customizable setup
Call blocking and filtering
Speakerphone and Bluetooth support
Send SMS messages up to 1,600 characters
Receive incoming SMS and calls as webhook events
Outgoing calls with WebRTC audio for browser or AI
Idempotent messaging with operation status tracking
Model Context Protocol server for Claude and Cursor
Included bridge minutes per month
Conversation scoping per line and number
API rate limiting and fair-use enforcement
Dual-SIM support with separate credentials per line
What makes it different
No phone number required - users make and receive calls to email addresses instead
Works without phone numbers or user IDs like other messaging apps
Cost savings for businesses with no cell phone contracts needed
Eliminates roaming fees and number porting requirements
Integrates into existing apps instead of requiring separate app download
Use your own Android phone and SIM instead of a phone number service
Pay only per connected line; recording and transcription are optional and prepaid
Calls merged on bridge preserve your business number to recipients
Live AI voice support via WebRTC audio tracks
Every resource reports whether it is real or simulated
Connect-EZ