Your phone as an API for SMS, calls, recordings and transcripts
Stage
Startup
Not given
Founded
2025
Not given
Based in
US
NO
Pricing model
Freemium
Paid
Pricing
Free plan: $0/mo with 2,000 messages per month on WhatsApp, Telegram, Instagram and Messenger, $2 of SMS/voice/email credit, and AI agents. Pro: $20/mo with $20 monthly usage credit, unlimited channels, phone numbers from $0.63/mo, transactional email $0.40/1,000, marketing email $0.80/1,000, SMS fr
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
AI agents across channels
Voice agents with phone answering
Transactional and marketing email
OTP and verification codes
Phone number provisioning in 200+ countries
WhatsApp Business templates and media
Broadcast campaigns and scheduling
Shared inbox and contact management
Serverless functions on events
Agent memory and knowledge base
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
Single API for 8+ messaging channels instead of multiple vendor integrations
Up to 92% lower costs than alternatives like Twilio and Resend
AI agents that set up infrastructure automatically
Five-minute onboarding from signup to first message
No platform markup on Meta WhatsApp pricing
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
Zavu