A fax API and MCP server for AI agents to send and receive faxes with receipts
OpenAI-compatible API access to 200+ AI models with unified routing, failover, and billing
Stage
Not given
Not given
Founded
2023
Not given
Based in
US
HK
Pricing model
Paid
Freemium
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.
Free tier with 40 credits. Pay-as-you-go pricing: token-priced models bill input and output separately, request-priced models charge fixed amount per request. Video models priced per second or per request.
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
OpenAI-compatible interface
200+ AI models from 10+ providers
99.9% uptime SLA
Pay-as-you-go pricing with no subscriptions
Smart routing and automatic failover
5-minute migration from OpenAI SDK
Token and request-based billing options
AES-256 encryption and TLS 1.3 security
Global acceleration via Cloudflare CDN
Real-time usage and cost tracking
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
One API key to access 200+ models from all major providers without rewriting code
Automatic failover between providers ensures reliability when one degrades
Pay-as-you-go with no hidden fees or subscriptions, priced at or below official model prices
Change base URL to migrate from OpenAI in 5 minutes with no code rewrites
Unified billing and routing across text, image, video and audio models
Fax for Agents
ToAPIs