One API key for image, video, language and audio models
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
Paid
Paid
Pricing
Top up balance in USD with no subscription or monthly minimum. Pay per request at each model's listed price. Minimum top-up is $20. Crypto payments receive +2% bonus. Failed requests are not charged.
$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
One API key for all models
OpenAI-compatible endpoints
Unified prepaid balance across vendors
Failed requests not charged
Live pricing transparency
Image, video and audio model support
Webhook delivery for async jobs
Auditable usage dashboard
Auto top-up balance feature
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
Single key and balance instead of separate accounts per vendor
Live pricing from the same list used for billing
No hidden pricing or sales calls required
No training of proprietary models on customer data
Integration stays unchanged when models are added or retired
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
SeedRouter
Fax for Agents