GTQ to SLL exchange rate API
Quetzal to Leone · quoted 2026-10-03
3017.28
▲ +0.39% over 30D
1 GTQ = 3017.28 SLL · 1 SLL = 0.000331 GTQ · Get this rate via the API
1 GTQ buys 3017.28 SLL as of 2026-10-03, so 1 SLL buys 0.000331 GTQ. Over the last 30 days, GTQ/SLL traded between 2748.67 and 3228.85, averaged 3027.60 and rose 0.39%. 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 30D: show the values
| Point | GTQ/SLL |
|---|---|
| 2026-09-03 | 3005.41 |
| 2026-09-04 | 3222.30 |
| 2026-09-05 | 3057.13 |
| 2026-09-06 | 3005.41 |
| 2026-09-07 | 3002.58 |
| 2026-09-08 | 2999.04 |
| 2026-09-09 | 3002.27 |
| 2026-09-10 | 3002.41 |
| 2026-09-11 | 3003.79 |
| 2026-09-12 | 3005.52 |
| 2026-09-13 | 3007.16 |
| 2026-09-14 | 3004.37 |
| 2026-09-15 | 3004.27 |
| 2026-09-16 | 3227.29 |
| 2026-09-17 | 2994.47 |
| 2026-09-18 | 2748.67 |
| 2026-09-19 | 3005.02 |
| 2026-09-20 | 3006.09 |
| 2026-09-21 | 3006.37 |
| 2026-09-22 | 3228.85 |
| 2026-09-23 | 3004.71 |
| 2026-09-24 | 2999.12 |
| 2026-09-25 | 3002.71 |
| 2026-09-26 | 3004.36 |
| 2026-09-27 | 3002.55 |
| 2026-09-28 | 3002.19 |
| 2026-09-30 | 3225.61 |
| 2026-10-02 | 3013.88 |
| 2026-10-03 | 3017.28 |
High
3228.85
Low
2748.67
Average
3027.60
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.