Send one-time faxes online from $0.99, pay only if delivered
Stage
Established
Not given
Founded
2026
Not given
Based in
GB
US
Pricing model
Not given
Not given
Pricing
Not given
One-time fax: from $0.99 for up to 10 pages, then $0.08 per extra page (max 1,000 pages), pay only if delivered. 30-day fax number: $4.99 one-time payment. Lifetime Basic fax number: $97 one-time payment. Lifetime Pro fax number: $147 one-time payment. Standard Plan (monthly): $6.58/mo or $79/year (
Key features
Real-time exchange rates updated every 60 seconds
Official central bank and tax authority rates from 124 sources
160+ currencies supported
Historical exchange rate data with flexible date ranges
Multiple output formats: JSON, CSV, XML, XLSX
Official SDKs for JavaScript, Python, PHP, Rust and Go
Model Context Protocol (MCP) integration for AI agents
Bearer token authentication with simple setup
Low latency powered by Cloudflare edge network
99.9% measured uptime SLA
Send faxes from browser, email, or mobile app
Pay only if delivery succeeds
Support for up to 1,000 pages per fax
Timestamped delivery confirmation
Searchable AI transcripts for received faxes
HIPAA Secure workflow with signed BAA
IRS form filing with carrier proof
Chrome extension for PDF faxing
What makes it different
No markup on mid-market rates; sourced from institutional interbank market data
Official published rates from central banks served unmodified with publication dates
Rates updated every 60 seconds, faster than most competitors
Free tier never expires; no credit card required to start
One API key for all 124 central banks and tax authority sources
No account or subscription required for one-time faxes
Pay only if fax delivers successfully
Integrated IRS filing with official transmission proof
AllRatesToday
SingleFax