Sierra Leonean Leone (SLL) Exchange Rate API
Get live Sierra Leonean Leone (SLL) to USD exchange rates via REST API. Rates updated every 4 hours from dual sources. Used by Sierra Leone.
Fetch SLL rates in seconds
One endpoint, one header. No OAuth, no webhooks required.
// Fetch SLL exchange rate
const response = await fetch(
'https://api.apogeoapi.com/v1/exchange-rates/SLL',
{ headers: { 'X-API-Key': 'your_api_key' } }
);
const data = await response.json();
// {
// "currency": "SLL",
// "usdRate": 1.08, // 1 SLL = X USD
// "lastUpdated": "2026-04-05T10:00:00Z",
// "stale": false
// }// Countries using SLL also include currencyRate in their response:
GET /v1/countries/{ISO2}
// { ..., "currencyRate": { "usdRate": 1.08, "currency": "SLL" } }Why use ApogeoAPI for SLL rates?
Live rates
SLL to USD rates updated every 4 hours from ExchangeRate-API with Frankfurter as automatic fallback. Stale flag included if refresh fails.
161 currencies
USD, EUR, GBP, ARS, BRL and 156 more — all available under the same subscription. No per-currency pricing.
Bundled with geo data
Countries that use SLL return currencyRate inline — no extra API call needed. Cities, states, IP geo all in one response.
Countries using SLL
All of these countries return SLL exchange rate data in their API responses.
Other Africa currencies
All supported via the same endpoint and subscription.
Start fetching SLL rates today
14-day free trial. No credit card required. 161 currencies included.