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WST to SLL exchange rate API

Tala to Leone · quoted 2026-10-23

8325.62

▲ +0.62% over 2Y

1 WST = 8325.62 SLL · 1 SLL = 0.000120 WST · Get this rate via the API

1 WST buys 8325.62 SLL as of 2026-10-23, so 1 SLL buys 0.000120 WST. Over the last 2 years, WST/SLL traded between 7147.22 and 9169.78, averaged 8191.39 and rose 0.62%. The API holds daily WST/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.

Chart sampled every 7 observations · table and exports keep every daily rate

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WST/SLL over 2Y: show the values
Rates per 1 WST. Missing rates are shown as a dash.
DateSLL
2024-10-238274.626535
2024-10-247945.567894
2024-10-258270.517544
2024-10-268469.438832
2024-10-278470.029763
2024-10-287911.739683
2024-10-297906.719618
2024-10-307887.745747
2024-10-317943.015753
2024-11-017938.95699
2024-11-028307.891457
2024-11-038309.198776
2024-11-048240.193271
2024-11-058240.608931
2024-11-068263.03157
2024-11-077851.366511
2024-11-087918.484649
2024-11-098472.244999
2024-11-108058.969484
2024-11-117829.558018
2024-11-127895.822285
2024-11-137952.285487
2024-11-148138.775179
2024-11-158157.681282
2024-11-168123.974825
2024-11-178124.158105
2024-11-187881.976381
2024-11-197867.699664
2024-11-207845.739033
2024-11-218112.866511
2024-11-228182.085229
2024-11-238461.487385
2024-11-248462.552011
2024-11-258178.085878
2024-11-267831.355485
2024-11-277827.6822
2024-11-287898.550885
2024-11-297807.300775
2024-11-308482.704365
2024-12-018484.907061
2024-12-028188.220061
2024-12-037890.94151
2024-12-048169.397918
2024-12-058174.283879
2024-12-068179.819201
2024-12-078193.34681
2024-12-088193.360621
2024-12-097899.059076
2024-12-107885.944793
2024-12-118159.073538
2024-12-127851.547418
2024-12-137833.635772
2024-12-148141.53281
2024-12-158141.417631
2024-12-168141.308707
2024-12-177818.983255
2024-12-187815.986456
2024-12-197774.439153
2024-12-207799.145413
2024-12-218038.54018
2024-12-228037.789104
2024-12-237805.775761
2024-12-247801.190382
2024-12-258164.392332
2024-12-268170.530008
2024-12-278103.646079
2024-12-288022.096474
2024-12-298020.568691
2024-12-308109.343246
2024-12-317750.455895
2025-01-018164.508257
2025-01-027751.30101
2025-01-038086.683283
2025-01-048004.065701
2025-01-057719.893224
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2025-01-317673.149761
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2025-02-037757.325449
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2025-02-067724.867389
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2025-02-108035.354052
2025-02-118024.305668
2025-02-128065.910952
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2025-02-177782.264365
2025-02-187783.462511
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2025-04-198193.665692
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2025-04-218171.857647
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2025-04-268227.297754
2025-04-278227.298997
2025-04-287879.571669
2025-04-298235.324854
2025-04-307893.513472
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2025-05-067952.404
2025-05-087576.50687
2025-05-097813.067125
2025-05-108202.174699
2025-05-118202.184316
2025-05-127769.099407
2025-05-137682.680345
2025-05-147800.580154
2025-05-158211.183607
2025-05-178198.607585
2025-05-188198.62647
2025-05-198191.656424
2025-05-207891.041686
2025-05-217935.250144
2025-05-228247.38623
2025-05-237763.704168
2025-05-248504.865084
2025-05-258010.83226
2025-05-267747.485113
2025-05-278299.402443
2025-05-288244.751245
2025-05-297833.626441
2025-05-307668.668335
2025-05-318238.15962
2025-06-018238.1637
2025-06-027798.483867
2025-06-038122.915007
2025-06-048280.285952
2025-06-057767.053827
2025-06-068285.925956
2025-06-077973.180798
2025-06-087610.337252
2025-06-097658.978639
2025-06-107799.988083
2025-06-117721.991557
2025-06-127689.140195
2025-06-137974.385364
2025-06-148743.190399
2025-06-158171.450168
2025-06-167749.686664
2025-06-177861.877428
2025-06-188253.759189
2025-06-197886.028402
2025-06-207648.987006
2025-06-218261.396039
2025-06-227890.021061
2025-06-237950.882028
2025-06-247927.955186
2025-06-257975.177501
2025-06-267770.811478
2025-06-277863.851911
2025-06-288316.026566
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2025-07-108193.955829
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2025-07-248016.391043
2025-07-257828.898747
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2025-07-278282.243654
2025-07-288279.162081
2025-07-297882.589175
2025-07-308026.827865
2025-07-317844.605418
2025-08-017920.088027
2025-08-028171.525835
2025-08-038171.509807
2025-08-048192.250243
2025-08-057792.058698
2025-08-068115.154218
2025-08-078230.197135
2025-08-087996.022845
2025-08-098555.004941
2025-08-108555.30876
2025-08-118541.847338
2025-08-128549.308725
2025-08-138559.32122
2025-08-148102.924787
2025-08-157943.161704
2025-08-168213.211634
2025-08-178213.213929
2025-08-187953.025476
2025-08-198062.303774
2025-08-208037.468069
2025-08-218607.062001
2025-08-227971.030044
2025-08-238387.071886
2025-08-248388.267946
2025-08-258498.268703
2025-08-268192.773861
2025-08-278501.305712
2025-08-288511.603029
2025-08-298210.860075
2025-08-308525.094119
2025-08-318524.788927
2025-09-018546.347721
2025-09-028538.001762
2025-09-038465.528069
2025-09-048425.513632
2025-09-057887.44426
2025-09-068193.191374
2025-09-078346.078384
2025-09-087884.324747
2025-09-097897.997181
2025-09-108372.92876
2025-09-118379.996891
2025-09-138289.233644
2025-09-148282.509962
2025-09-157986.292286
2025-09-167981.399287
2025-09-178172.222227
2025-09-188543.397977
2025-09-198038.662862
2025-09-208511.13104
2025-09-218122.204069
2025-09-228073.191423
2025-09-238493.269105
2025-09-248579.734635
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2025-09-268221.589995
2025-09-278143.298707
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2025-10-128234.215152
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2025-10-158198.031835
2025-10-168246.614529
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2025-10-238224.620107
2025-10-248203.849206
2025-10-258093.56506
2025-10-268194.385603
2025-10-278245.066101
2025-10-288211.981852
2025-10-298233.387215
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2025-11-128143.104515
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2025-11-148136.956052
2025-11-158140.589601
2025-11-168192.892888
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2026-07-068316.660863
2026-07-078364.401892
2026-07-088392.232801
2026-07-098339.278701
2026-07-108342.3713
2026-07-118288.946767
2026-07-128352.893751
2026-07-138356.059501
2026-07-148345.029208
2026-07-158365.201621
2026-07-168404.526835
2026-07-178405.985508
2026-07-188342.117516
2026-07-198393.175941
2026-07-208388.280306
2026-07-218407.264382
2026-07-228399.792158
2026-07-238406.819786
2026-07-248654.392623
2026-07-258586.765623
2026-07-268839.988701
2026-07-278363.910296
2026-07-288883.409471
2026-07-298861.905933
2026-07-308392.002301
2026-07-318403.792883
2026-08-018374.514537
2026-08-028393.984546
2026-08-038410.93228
2026-08-048444.252359
2026-08-058768.609142
2026-08-068424.218873
2026-08-078402.936624
2026-08-088442.870082
2026-08-098380.347258
2026-08-108390.31737
2026-08-118410.811327
2026-08-128396.650207
2026-08-138671.769082
2026-08-148407.371341
2026-08-158379.291931
2026-08-168393.700025
2026-08-178430.742037
2026-08-188454.320795
2026-08-208458.212373
2026-08-218468.966431
2026-08-228549.61611
2026-08-239036.506008
2026-08-248458.899506
2026-08-258475.867635
2026-08-268481.931815
2026-08-278482.797742
2026-08-288494.006471
2026-08-298662.972009
2026-08-308487.11474
2026-08-318489.065817
2026-09-018494.881621
2026-09-028459.102113
2026-09-038447.616829
2026-09-049066.500211
2026-09-058585.818887
2026-09-068444.668019
2026-09-078461.112128
2026-09-088469.045087
2026-09-098461.973023
2026-09-108447.762682
2026-09-118436.540077
2026-09-128384.538176
2026-09-138408.504863
2026-09-148429.382386
2026-09-158411.209733
2026-09-169031.269726
2026-09-178395.966776
2026-09-187656.664039
2026-09-198339.179163
2026-09-208362.903011
2026-09-218404.085444
2026-09-229010.873988
2026-09-238387.224863
2026-09-248342.308791
2026-09-258337.140339
2026-09-268351.153618
2026-09-278344.723914
2026-09-288351.158122
2026-09-308926.318899
2026-10-028340.124837
2026-10-038268.173628
2026-10-058346.113118
2026-10-068340.390506
2026-10-078948.539669
2026-10-088344.452078
2026-10-098295.175018
2026-10-108243.642513
2026-10-118275.807236
2026-10-128242.66349
2026-10-138267.509006
2026-10-148298.368147
2026-10-158788.765277
2026-10-168297.229422
2026-10-178237.568321
2026-10-188289.365729
2026-10-198321.160794
2026-10-208318.879428
2026-10-218348.302323
2026-10-228327.113534
2026-10-238325.619785

High

9169.78

Low

7147.22

Average

8191.39

Statistics use all 714 daily observations in the selected period.

For developers

Get this rate via the API

One GET request returns the WST/SLL rate as JSON. The free plan includes 1,000 requests a month, with no credit card required.

cURL
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=SLL"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=SLL");
const data = await response.json();
Python
import requests

data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=SLL").json()

Replace YOUR_API_KEY with the key from your dashboard.

WST/SLL API questions

How do I get the WST/SLL exchange rate from an API?

Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest WST/SLL rate in rates.SLL.

How far back does WST/SLL historical data go?

Daily WST/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 WST/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.