GTQ to SLL exchange rate API
Quetzal to Leone · quoted 2026-10-23
2999.09
▼ +0.23% over 7D
1 GTQ = 2999.09 SLL · 1 SLL = 0.000333 GTQ · Get this rate via the API
1 GTQ buys 2999.09 SLL as of 2026-10-23, so 1 SLL buys 0.000333 GTQ. Over the last 7 days, GTQ/SLL traded between 2999.09 and 3005.99, averaged 3002.90 and fell 0.23%. The API holds daily GTQ/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.
GTQ/SLL over 7D
Daily observations · gaps mean no published rate
GTQ/SLL over 7D: show the values
| Date | SLL |
|---|---|
| 2026-10-16 | 3005.988038 |
| 2026-10-17 | 3005.087728 |
| 2026-10-18 | 3003.620507 |
| 2026-10-19 | 3002.839864 |
| 2026-10-20 | 3003.432144 |
| 2026-10-21 | 3002.765413 |
| 2026-10-22 | 3000.407075 |
| 2026-10-23 | 2999.085257 |
High
3005.99
Low
2999.09
Average
3002.90
Statistics use all 8 daily observations in the selected period.
Get this rate via the API
One GET request returns the GTQ/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=GTQ¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GTQ¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GTQ¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
GTQ/SLL API questions
How do I get the GTQ/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GTQ¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest GTQ/SLL rate in rates.SLL.
How far back does GTQ/SLL historical data go?
Daily GTQ/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 GTQ/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.