THB to SLL exchange rate API
Baht to Leone · quoted 2026-10-03
687.5843
▲ +3.54% over 5Y
1 THB = 687.5843 SLL · 1 SLL = 0.001454 THB · Get this rate via the API
1 THB buys 687.5843 SLL as of 2026-10-03, so 1 SLL buys 0.001454 THB. Over the last 5 years, THB/SLL traded between 651.1652 and 727.6542, averaged 689.8767 and rose 3.54%. The API holds daily THB/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.
THB/SLL over 5Y: show the values
| Point | THB/SLL |
|---|---|
| 2024-08-24 | 664.1007 |
| 2024-10-07 | 677.6206 |
| 2024-11-06 | 662.8481 |
| 2024-12-06 | 669.2186 |
| 2025-01-05 | 660.8256 |
| 2025-02-04 | 676.8865 |
| 2025-03-06 | 677.6748 |
| 2025-04-06 | 662.6358 |
| 2025-05-06 | 697.4049 |
| 2025-06-07 | 670.2210 |
| 2025-07-07 | 698.0125 |
| 2025-08-06 | 713.3658 |
| 2025-09-05 | 707.3812 |
| 2025-10-06 | 701.1553 |
| 2025-11-05 | 697.2664 |
| 2025-12-05 | 721.3965 |
| 2026-01-05 | 727.6542 |
| 2026-02-04 | 724.2724 |
| 2026-03-06 | 717.4412 |
| 2026-04-05 | 701.5009 |
| 2026-05-09 | 651.1652 |
| 2026-06-12 | 697.8352 |
| 2026-07-12 | 686.6589 |
| 2026-08-11 | 690.8385 |
| 2026-09-11 | 693.8280 |
High
727.6542
Low
651.1652
Average
689.8767
Get this rate via the API
One GET request returns the THB/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=THB¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=THB¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=THB¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
THB/SLL API questions
How do I get the THB/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=THB¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest THB/SLL rate in rates.SLL.
How far back does THB/SLL historical data go?
Daily THB/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 THB/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.