A fax API and MCP server for AI agents to send and receive faxes with receipts
Give your agents superpowers
Stage
Not given
Not given
Founded
2023
Not given
Based in
US
US
Pricing model
Paid
Paid
Pricing
$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.
Pay as you go with no subscriptions or plans. Credits are added to an account and used only for actual tool runs. Pricing varies by tool; examples include $0.195 per hour of audio for AssemblyAI, $0.00559 per minute for Deepgram audio, $0.156 per minute for ElevenLabs audio isolation, $2.86 per minu
Key features
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
Connect to 3,500+ tools from 17 providers
Runtime tool discovery for agents
One API key for all tools
Pay-as-you-go pricing with no subscriptions
Works with any AI agent
Credits never expire
Clear per-tool pricing displayed before running
Support for media creation tools
Integration with SEO and search tracking tools
What makes it different
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
1,685 priced tools with transparent per-use costs
No need to manage separate API keys and subscriptions
Agents automatically discover the right tool for each task
Works across all major AI agent platforms
Single balance and prepaid model eliminates subscription overhead
Fax for Agents
Spiral