CRC to SLL exchange rate API
Costa Rican Colon to Leone · quoted 2026-10-02
50.2974
▼ +0.41% over 30D
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 30 days, CRC/SLL traded between 46.8802 and 55.0793, averaged 51.1572 and fell 0.41%. 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 30D: show the values
| Point | CRC/SLL |
|---|---|
| 2026-09-02 | 50.5024 |
| 2026-09-03 | 50.5981 |
| 2026-09-04 | 54.2469 |
| 2026-09-05 | 51.7028 |
| 2026-09-06 | 50.8199 |
| 2026-09-07 | 50.5094 |
| 2026-09-08 | 50.5054 |
| 2026-09-09 | 50.5653 |
| 2026-09-10 | 50.4812 |
| 2026-09-11 | 50.6553 |
| 2026-09-12 | 51.0399 |
| 2026-09-13 | 51.2038 |
| 2026-09-14 | 50.8862 |
| 2026-09-15 | 50.9712 |
| 2026-09-16 | 55.0023 |
| 2026-09-17 | 51.0235 |
| 2026-09-18 | 46.8802 |
| 2026-09-19 | 51.2797 |
| 2026-09-20 | 51.3934 |
| 2026-09-21 | 51.2981 |
| 2026-09-22 | 55.0793 |
| 2026-09-23 | 50.7671 |
| 2026-09-24 | 50.5999 |
| 2026-09-25 | 50.5706 |
| 2026-09-26 | 50.4812 |
| 2026-09-27 | 50.6125 |
| 2026-09-28 | 50.4582 |
| 2026-09-30 | 53.9881 |
| 2026-10-02 | 50.2974 |
High
55.0793
Low
46.8802
Average
51.1572
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.