CRC to SLL exchange rate API
Costa Rican Colon to Leone · quoted 2026-10-02
50.2974
▲ +2.15% over 6M
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 last 6 months, CRC/SLL traded between 45.7986 and 55.0793, averaged 49.7837 and rose 2.15%. 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 6M: show the values
| Point | CRC/SLL |
|---|---|
| 2026-04-05 | 49.2401 |
| 2026-04-16 | 45.8056 |
| 2026-04-23 | 45.8679 |
| 2026-04-30 | 46.0959 |
| 2026-05-07 | 45.7986 |
| 2026-05-15 | 45.9327 |
| 2026-05-23 | 50.4137 |
| 2026-05-30 | 50.3757 |
| 2026-06-06 | 49.5284 |
| 2026-06-15 | 49.8836 |
| 2026-06-22 | 50.3668 |
| 2026-06-29 | 50.2164 |
| 2026-07-06 | 50.1220 |
| 2026-07-13 | 50.2063 |
| 2026-07-20 | 50.4389 |
| 2026-07-27 | 50.2670 |
| 2026-08-03 | 50.4663 |
| 2026-08-10 | 50.3448 |
| 2026-08-17 | 51.0207 |
| 2026-08-25 | 50.4308 |
| 2026-09-01 | 50.7128 |
| 2026-09-08 | 50.5054 |
| 2026-09-15 | 50.9712 |
| 2026-09-22 | 55.0793 |
| 2026-09-30 | 53.9881 |
High
55.0793
Low
45.7986
Average
49.7837
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.