For builders

Embed & API

Drop the FxLeakage calculator into any blog post in 30 seconds, or call our free JSON API. No keys, no auth, no rate limits beyond fair use.

1. Embed builder

FromToAmount

<iframe src="https://fxleakage.com/embed?from=USD&to=INR&amount=1000" width="100%" height="640" style="border:0;max-width:760px" loading="lazy" title="FxLeakage calculator"></iframe>

The iframe auto-resizes via postMessage. Add theme=dark for dark mode.

2. Quote API

GET /api/public/quote?amount&from&to&platform= — returns ranked platforms, winner, and per-platform breakdown in JSON.

curl "https://fxleakage.com/api/public/quote?amount=1000&from=USD&to=INR"

3. Platforms list

GET /api/public/platforms — current supported platforms and base fee parameters.

curl "https://fxleakage.com/api/public/platforms"

Fair use

Free for educational, editorial, and product use. Cache responses for 60 seconds. Please keep the "Powered by fxleakage.com" attribution visible.