Exchange rates for fintech
Dependable mid-market rates for wallets, transfers and ledgers, with rate-limit headers and usage metering built in.
Example
Your multi-currency wallet needs a trustworthy reference rate to value balances and quote transfers. You pull the full USD rate map hourly, store it, and reconcile end-of-day balances against historical rates.
# Value balances against a specific day's rates
curl "https://rate-api.com/api/v1/YOUR_KEY/historical?date=2026-01-13&base=USD"Endpoints:
/latest
/historical
/usage
Why Rate-API
- Historical rates for statements and reconciliation (Pro+).
- Encrypted-at-rest API keys and per-key usage tracking.
- Predictable per-plan rate limits with X-RateLimit headers.