More than exchange rates.
The ExchangeRate-API alternative.
ExchangeRate-API gives you today's rates. CurrencyCore gives you 75+ years of history, PPP-adjusted pricing, volatility and correlation analytics, natural-language AI queries, and a native MCP server for AI agents. One platform, one API key.
1,000 requests + 100 AI credits/month free · No credit card required
curl "https://api.currency-core.com/v1/convert?from=USD&to=INR&amount=100" \
-H "Authorization: Bearer YOUR_KEY"curl "https://api.currency-core.com/v1/convert?from=USD&to=EUR&date=2008-09-15" \
-H "Authorization: Bearer YOUR_KEY"curl -X POST https://api.currency-core.com/v1/ai \
-H "Authorization: Bearer YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"q":"Which currencies strengthened most against USD in 2025?"}'What CurrencyCore adds.
Same familiar endpoints, with the depth your application actually needs.
| Feature | CurrencyCore | ExchangeRate-API |
|---|---|---|
| Live exchange rates | ||
| Historical data | 75+ years · Starter+ | Limited (1 year free) |
| PPP analysis | ||
| Analytics (volatility, correlation) | ||
| AI natural-language queries | ||
| MCP server for AI agents | ||
| Free tier | 1,000 req/mo | 1,500 req/mo |
Intelligence beyond spot rates.
Six capabilities that go well past a simple rate lookup.
75+ years of history
ECB-sourced rates back to 1949 with carry-forward resolution. Full history available on Starter plan and above. Free tier includes the last 30 days.
PPP-adjusted pricing
Add ppp=true to any convert call. IMF purchasing-power-parity factors for 180+ countries so your prices make sense locally.
Volatility and correlation
Compute annualized FX volatility, rank currencies by stability, and measure co-movement between any pair. All from one authenticated key.
AI currency queries
Ask "which currencies strengthened most against INR since 2015?" and get a structured answer backed by real data, not hallucinated rates.
Native MCP server
Connect Claude, Cursor, and Windsurf directly. No custom tool definitions, no polling, no stale training data. Currency intelligence in your agent's context.
Team workspaces
Shared API keys, role-based access, OIDC SSO, and usage dashboards for engineering teams.
Common questions
Is CurrencyCore a drop-in replacement for ExchangeRate-API?
For most use cases, yes. CurrencyCore's /v1/convert and /v1/rates endpoints cover the same FX conversion and rate snapshot functionality. Migration typically takes under an hour. The additional endpoints (history, analytics, AI) are opt-in.
Does CurrencyCore have a free tier?
Yes. The free tier includes 1,000 API requests and 100 AI credits per month with no credit card required and no time limit.
What makes CurrencyCore different from a basic exchange rate API?
CurrencyCore adds 75+ years of historical data, IMF PPP analysis, volatility and correlation analytics, AI-powered natural-language queries, and a native MCP server. Most exchange rate APIs only provide today's spot rates.
Do you support all the currencies ExchangeRate-API covers?
Yes. CurrencyCore supports 160+ ISO 4217 currencies with ECB-sourced rates refreshed daily and carry-forward resolution for weekends and holidays.
One API key.
Everything currency intelligence needs.
Free tier: 1,000 requests + 100 AI credits/month. No credit card required.