Call mobiles and landlines around the world from your browser with prepaid calling credit
Stage
Established
Not given
Founded
2026
Not given
Based in
GB
US
Pricing model
Not given
Freemium
Pricing
Not given
Personal calling credit starts at $5, $10, or $25 top-ups. Calls billed per minute at destination-specific rates for mobile or landline, with partial minutes rounded up. Virtual phone numbers have separate recurring monthly charges.
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
Call mobiles and landlines from any modern web browser
See destination rates before dialing
Prepaid calling credit starting at $5
Works in Chrome, Safari, Firefox and Edge
Compare mobile and landline rates by destination
Optional virtual phone numbers for receiving calls
Send and receive text messages on virtual numbers
No subscription or contract required
Calls rounded up to whole minutes
Works on phones and computers
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 app download required, works directly in your browser
Transparent pricing shown before each call
Recipients don't need TringPhone or internet connection to receive calls