Add voice calling and messaging to your mobile application
A fax API and MCP server for AI agents to send and receive faxes with receipts
Stage
Not given
Not given
Founded
Not given
2023
Based in
Not given
US
Pricing model
Free
Paid
Pricing
Free for single email address use, with optional paid plans for multiple email addresses
$0.039 per page sent, $0.019 per page received, $2 per fax number per month, $10 minimum wallet top-up, optional Agent workspace $19 per month, sandbox free. Prices as of 2026-10-28.
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
Document preparation with PDF, image and text rendering
Price quotes bound to document, destination and sender
Authorization by person or delegated policy
Bounded retries with circuit breaker per route
Private inbox for received faxes with signed URLs
Idempotent API calls with Idempotency-Key header
Signed webhooks with event IDs
Sandbox for free testing before production
Document retention with 30-day default and deletion option
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
Every fax send produces a receipt with provider evidence of delivery
Agents cannot exceed their own permissions or budget limits
International fax coverage to 213 destinations with transparent pricing
MCP server with 15 tools for seamless agent integration
Per-page pricing with no minimum subscription requirement
Connect-EZ
Fax for Agents