CRC to SLL exchange rate API
Costa Rican Colon to Leone · quoted 2026-10-02
50.2974
▲ +9.10% over YTD
1 CRC = 50.2974 SLL · 1 SLL = 0.01988 CRC · Get this rate via the API
1 CRC buys 50.2974 SLL as of 2026-10-02, so 1 SLL buys 0.01988 CRC. Over the year to date, CRC/SLL traded between 45.7370 and 54.2469, averaged 48.7847 and rose 9.10%. The API holds daily CRC/SLL rates from 2024-08-24 — 2 years of history — so any past day, or a whole series, is one request away.
Converting an invoice? Convert an amount on a specific date.
CRC/SLL over YTD: show the values
| Point | CRC/SLL |
|---|---|
| 2025-12-31 | 46.1037 |
| 2026-01-07 | 45.9542 |
| 2026-01-14 | 46.1921 |
| 2026-01-21 | 47.2015 |
| 2026-01-28 | 45.9093 |
| 2026-02-04 | 46.2385 |
| 2026-02-11 | 46.2336 |
| 2026-02-18 | 47.8279 |
| 2026-02-25 | 48.2277 |
| 2026-03-04 | 48.7360 |
| 2026-03-11 | 48.5018 |
| 2026-03-18 | 48.7790 |
| 2026-03-25 | 48.9334 |
| 2026-04-01 | 49.2368 |
| 2026-04-08 | 49.7430 |
| 2026-04-19 | 45.9017 |
| 2026-04-26 | 46.1538 |
| 2026-05-03 | 46.1136 |
| 2026-05-10 | 45.7370 |
| 2026-05-18 | 46.1397 |
| 2026-05-26 | 50.3598 |
| 2026-06-02 | 54.1510 |
| 2026-06-11 | 49.7623 |
| 2026-06-18 | 50.2690 |
| 2026-06-25 | 50.2740 |
| 2026-07-02 | 46.0561 |
| 2026-07-09 | 50.3365 |
| 2026-07-16 | 50.3998 |
| 2026-07-23 | 50.5940 |
| 2026-07-30 | 50.4148 |
| 2026-08-06 | 50.4396 |
| 2026-08-13 | 52.1216 |
| 2026-08-21 | 50.3843 |
| 2026-08-28 | 50.5257 |
| 2026-09-04 | 54.2469 |
| 2026-09-11 | 50.6553 |
| 2026-09-18 | 46.8802 |
| 2026-09-25 | 50.5706 |
High
54.2469
Low
45.7370
Average
48.7847
Get this rate via the API
One GET request returns the CRC/SLL rate as JSON. The free plan includes 1,000 requests a month, with no credit card required.
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CRC¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CRC¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CRC¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
CRC/SLL API questions
How do I get the CRC/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CRC¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest CRC/SLL rate in rates.SLL.
How far back does CRC/SLL historical data go?
Daily CRC/SLL rates are available from 2024-08-24. Request one day with the /historical endpoint and a date, or a range of days with /timeseries.
Is there a free CRC/SLL exchange rate API?
Yes. The free plan includes 1,000 requests a month, with no credit card required; paid plans raise the limit.
Put these rates in your application
One endpoint, JSON responses, 160+ currencies and history back to 1999. Start on the free plan.