Detailed technical benchmark and comparison between Fixer.io API and CurrencyLayer API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Access real-time & historical exchange rates for 170+ currencies
Access real-time exchange rates for 168 currencies & precious metals
Fixer.io API is best for financial applications and currency conversion tools needing reliable, well-documented FX data
CurrencyLayer API is best for developers and businesses needing a reliable, long-established exchange rates API covering 168 currencies including NGN and precious metals backed by APILayer infrastructure, with USD-only base on free tier and all base currencies from the Basic plan.
| Highlight | F Fixer.io API | C CurrencyLayer API |
|---|---|---|
| Authentication | API Key | API Key appended to request URL as access_key query parameter; sign up at currencylayer.com |
| Rate Limit | Varies by plan | Free: 100 req/month. Basic: 10,000 req/month. Professional: 100,000 req/month. Professional Plus: 500,000 req/month. |
| Sandbox Mode | ✗ Not Available | ✗ Not Available |
| Webhooks | Not verified yet | Not verified yet |
| API Services | Real-time Forex RatesHistorical Rate DataNGN / Naira Rate SupportCurrency Conversion Endpoint | Real-time Forex RatesHistorical Rate DataNGN / Naira Rate SupportCurrency Conversion Endpoint |
| Supported Regions |
| Fee Component | F Fixer.io API | C CurrencyLayer API |
|---|---|---|
| International / FX Cards | paid plans from €9.99/month for USD and NGN base | Free:100 req/month, USD base only, hourly updates |
| Free Tier / Trial Credits | Free plan with EUR base only | Contact provider |
| Rates & Additional Terms | Standard tier rates apply |
|
| Feature / Capability | F Fixer.io API | C CurrencyLayer API |
|---|---|---|
| Real-time Forex Rates | ✓ | ✓ |
| Historical Rate Data | ✓ | ✓ |
| NGN / Naira Rate Support | ✓ | ✓ |
| Currency Conversion Endpoint | ✓ | ✓ |
| 150+ Currency Pairs | ✓ | ✓ |
| Cryptocurrency Exchange Rates | ✓ | ✓ |
| Time-series & Fluctuation Data | ✓ | ✗ |
| CBN / Official Rate Feed | ✓ | ✓ |
| API Key / Token Authentication | ✓ | ✓ |
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