THB to SLL exchange rate API
Baht to Leone · quoted 2026-10-03
687.5843
▼ +2.30% over 6M
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 6 months, THB/SLL traded between 644.9998 and 760.9501, averaged 692.4289 and fell 2.30%. 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 6M: show the values
| Point | THB/SLL |
|---|---|
| 2026-04-06 | 703.7613 |
| 2026-04-17 | 653.7627 |
| 2026-04-24 | 647.6995 |
| 2026-05-01 | 644.9998 |
| 2026-05-08 | 650.7701 |
| 2026-05-16 | 734.3425 |
| 2026-05-24 | 701.4127 |
| 2026-05-31 | 702.4292 |
| 2026-06-09 | 694.7936 |
| 2026-06-16 | 760.9501 |
| 2026-06-23 | 687.5518 |
| 2026-06-30 | 686.7353 |
| 2026-07-07 | 690.5203 |
| 2026-07-14 | 682.2411 |
| 2026-07-21 | 679.9218 |
| 2026-07-28 | 720.9348 |
| 2026-08-04 | 686.9730 |
| 2026-08-11 | 690.8385 |
| 2026-08-18 | 693.5064 |
| 2026-08-26 | 698.2872 |
| 2026-09-02 | 689.7595 |
| 2026-09-09 | 697.4875 |
| 2026-09-16 | 740.9239 |
| 2026-09-23 | 688.9531 |
| 2026-10-02 | 686.0106 |
High
760.9501
Low
644.9998
Average
692.4289
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.