Skip to content

SLL to BTN exchange rate API

Leone to Ngultrum · quoted 2026-10-23

0.004136

▲ +11.63% over 2Y

1 SLL = 0.004136 BTN · 1 BTN = 241.7795 SLL · Get this rate via the API

1 SLL buys 0.004136 BTN as of 2026-10-23, so 1 BTN buys 241.7795 SLL. Over the last 2 years, SLL/BTN traded between 0.003679 and 0.004582, averaged 0.003939 and rose 11.63%. The API holds daily SLL/BTN 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

Download CSV
SLL/BTN over 2Y: show the values
Rates per 1 SLL. Missing rates are shown as a dash.
DateBTN
2024-10-230.003705
2024-10-240.003702
2024-10-250.003696
2024-10-260.003701
2024-10-270.003701
2024-10-280.003701
2024-10-290.003704
2024-10-300.003703
2024-10-310.003679
2024-11-010.003679
2024-11-020.003706
2024-11-030.003706
2024-11-040.003695
2024-11-050.003702
2024-11-060.0037
2024-11-070.003722
2024-11-080.003704
2024-11-090.003712
2024-11-100.003713
2024-11-110.003709
2024-11-120.00371
2024-11-130.003701
2024-11-140.003738
2024-11-150.003715
2024-11-160.003726
2024-11-170.003726
2024-11-180.003735
2024-11-190.003724
2024-11-200.003734
2024-11-210.003738
2024-11-220.003719
2024-11-230.003719
2024-11-240.003719
2024-11-250.003715
2024-11-260.003715
2024-11-270.00371
2024-11-280.003711
2024-11-290.003715
2024-11-300.003716
2024-12-010.003715
2024-12-020.003717
2024-12-030.003727
2024-12-040.003723
2024-12-050.003724
2024-12-060.003722
2024-12-070.003715
2024-12-080.003717
2024-12-090.003722
2024-12-100.00373
2024-12-110.003731
2024-12-120.003722
2024-12-130.003731
2024-12-140.003719
2024-12-150.003718
2024-12-160.003728
2024-12-170.003731
2024-12-180.003732
2024-12-190.003738
2024-12-200.00374
2024-12-210.00373
2024-12-220.003731
2024-12-230.003736
2024-12-240.003741
2024-12-250.003749
2024-12-260.003748
2024-12-270.003745
2024-12-280.003751
2024-12-290.003751
2024-12-300.003753
2024-12-310.00376
2025-01-010.003761
2025-01-020.003764
2025-01-030.003772
2025-01-040.003766
2025-01-050.003766
2025-01-060.00377
2025-01-070.003769
2025-01-080.003746
2025-01-090.003769
2025-01-100.00375
2025-01-110.003795
2025-01-120.003795
2025-01-130.00377
2025-01-140.003824
2025-01-150.003808
2025-01-160.003795
2025-01-170.003802
2025-01-180.003812
2025-01-190.003813
2025-01-200.0038
2025-01-210.003786
2025-01-220.003802
2025-01-230.003811
2025-01-240.003807
2025-01-250.003794
2025-01-260.003794
2025-01-270.0038
2025-01-280.003808
2025-01-290.003814
2025-01-300.003786
2025-01-310.003788
2025-02-010.003815
2025-02-020.003811
2025-02-030.003786
2025-02-040.003801
2025-02-050.003815
2025-02-060.003831
2025-02-070.003855
2025-02-080.003857
2025-02-090.003852
2025-02-100.003847
2025-02-110.003847
2025-02-120.003799
2025-02-130.003788
2025-02-140.003803
2025-02-150.003809
2025-02-160.003807
2025-02-170.003809
2025-02-180.00382
2025-02-190.003807
2025-02-200.00382
2025-02-210.003719
2025-02-220.003812
2025-02-230.003795
2025-02-240.003806
2025-02-250.003781
2025-02-260.004153
2025-02-270.003812
2025-02-280.003821
2025-03-010.003828
2025-03-020.003834
2025-03-030.003823
2025-03-040.003835
2025-03-050.003819
2025-03-060.003803
2025-03-070.003803
2025-03-080.003819
2025-03-090.004149
2025-03-100.003809
2025-03-110.003825
2025-03-120.003817
2025-03-130.003818
2025-03-140.003819
2025-03-150.003822
2025-03-160.004145
2025-03-170.003818
2025-03-180.003796
2025-03-190.003793
2025-03-200.003781
2025-03-210.003783
2025-03-220.003779
2025-03-230.004104
2025-03-250.003755
2025-03-260.003759
2025-03-270.003768
2025-03-280.003754
2025-03-290.003754
2025-03-300.003753
2025-03-310.004032
2025-04-010.003751
2025-04-020.003763
2025-04-030.003763
2025-04-040.003746
2025-04-050.003749
2025-04-060.003751
2025-04-070.003774
2025-04-080.003772
2025-04-090.003787
2025-04-100.003795
2025-04-110.003782
2025-04-120.00379
2025-04-130.003785
2025-04-140.003787
2025-04-150.00378
2025-04-160.003769
2025-04-170.003768
2025-04-180.003753
2025-04-190.003753
2025-04-200.003753
2025-04-210.003744
2025-04-220.003748
2025-04-230.003746
2025-04-240.003758
2025-04-250.003754
2025-04-260.003754
2025-04-270.003754
2025-04-280.003754
2025-04-290.003743
2025-04-300.003739
2025-05-010.003711
2025-05-020.003707
2025-05-030.00372
2025-05-040.003724
2025-05-050.003716
2025-05-060.003705
2025-05-080.003726
2025-05-090.003774
2025-05-100.003748
2025-05-110.003746
2025-05-120.003728
2025-05-130.003726
2025-05-140.003732
2025-05-150.003749
2025-05-170.003756
2025-05-180.003757
2025-05-190.003755
2025-05-200.00375
2025-05-210.003753
2025-05-220.003753
2025-05-230.003757
2025-05-240.003724
2025-05-250.00372
2025-05-260.003717
2025-05-270.003719
2025-05-280.003744
2025-05-290.003751
2025-05-300.003746
2025-05-310.003752
2025-06-010.003752
2025-06-020.003754
2025-06-030.003748
2025-06-040.003758
2025-06-050.003771
2025-06-060.00377
2025-06-070.003914
2025-06-080.003914
2025-06-090.003914
2025-06-100.003908
2025-06-110.003754
2025-06-120.003879
2025-06-130.003765
2025-06-140.003759
2025-06-150.003759
2025-06-160.003763
2025-06-170.003781
2025-06-180.003791
2025-06-190.003798
2025-06-200.003849
2025-06-210.0038
2025-06-220.003798
2025-06-230.003805
2025-06-240.003784
2025-06-250.003769
2025-06-260.003814
2025-06-270.003762
2025-06-280.003756
2025-06-290.003756
2025-06-300.003754
2025-07-010.003763
2025-07-020.003787
2025-07-030.00376
2025-07-040.003757
2025-07-050.003758
2025-07-060.003756
2025-07-070.003758
2025-07-080.003776
2025-07-090.003761
2025-07-100.003807
2025-07-110.003765
2025-07-120.003767
2025-07-130.003766
2025-07-140.003767
2025-07-150.003779
2025-07-160.003776
2025-07-170.003768
2025-07-180.003778
2025-07-190.003784
2025-07-200.003784
2025-07-210.003784
2025-07-220.003793
2025-07-230.003795
2025-07-240.003798
2025-07-250.003801
2025-07-260.003813
2025-07-270.003812
2025-07-280.003811
2025-07-290.003818
2025-07-300.003819
2025-07-310.003856
2025-08-010.00386
2025-08-020.003844
2025-08-030.003847
2025-08-040.003831
2025-08-050.003876
2025-08-060.003802
2025-08-070.003862
2025-08-080.003851
2025-08-090.003861
2025-08-100.003861
2025-08-110.003855
2025-08-120.003858
2025-08-130.003851
2025-08-140.003844
2025-08-150.003852
2025-08-160.003851
2025-08-170.003852
2025-08-180.003851
2025-08-190.003846
2025-08-200.003833
2025-08-210.003735
2025-08-220.003839
2025-08-230.003839
2025-08-240.00384
2025-08-250.00384
2025-08-260.003851
2025-08-270.003855
2025-08-280.003854
2025-08-290.003846
2025-08-300.003876
2025-08-310.003877
2025-09-010.003876
2025-09-020.003876
2025-09-030.003873
2025-09-040.003782
2025-09-050.003869
2025-09-060.003878
2025-09-070.003808
2025-09-080.003874
2025-09-090.00387
2025-09-100.003878
2025-09-110.003871
2025-09-130.003878
2025-09-140.003878
2025-09-150.003878
2025-09-160.003868
2025-09-170.003859
2025-09-180.003858
2025-09-190.003868
2025-09-200.003871
2025-09-210.003871
2025-09-220.003877
2025-09-230.00388
2025-09-240.003895
2025-09-250.003894
2025-09-260.003896
2025-09-270.003891
2025-09-280.003891
2025-09-290.00389
2025-09-300.003896
2025-10-010.003899
2025-10-020.003889
2025-10-030.003891
2025-10-040.003883
2025-10-050.003814
2025-10-060.003907
2025-10-070.003836
2025-10-080.003897
2025-10-090.003898
2025-10-100.003902
2025-10-110.003904
2025-10-120.003907
2025-10-130.003901
2025-10-140.0039
2025-10-150.00391
2025-10-160.00385
2025-10-170.003876
2025-10-180.003882
2025-10-190.003881
2025-10-200.003879
2025-10-210.003875
2025-10-220.003872
2025-10-230.003869
2025-10-240.003872
2025-10-250.003873
2025-10-260.003875
2025-10-270.003872
2025-10-280.003894
2025-10-290.003889
2025-10-300.003893
2025-10-310.003902
2025-11-010.003912
2025-11-020.003917
2025-11-030.003914
2025-11-040.003913
2025-11-050.003913
2025-11-060.003905
2025-11-070.003908
2025-11-080.003905
2025-11-090.003906
2025-11-100.003907
2025-11-110.003908
2025-11-120.003903
2025-11-130.003908
2025-11-140.003914
2025-11-150.003871
2025-11-160.003874
2025-11-170.00391
2025-11-180.003867
2025-11-190.003868
2025-11-200.003865
2025-11-210.003885
2025-11-220.003925
2025-11-230.003925
2025-11-240.003926
2025-11-250.003898
2025-11-260.003894
2025-11-270.003892
2025-11-280.003901
2025-11-290.003891
2025-11-300.003915
2025-12-010.003916
2025-12-020.003925
2025-12-030.003921
2025-12-040.003953
2025-12-050.00391
2025-12-060.003795
2025-12-070.003935
2025-12-080.003931
2025-12-090.003939
2025-12-110.003931
2025-12-120.003918
2025-12-130.003943
2025-12-140.003945
2025-12-150.003941
2025-12-160.003963
2025-12-170.003961
2025-12-180.003944
2025-12-190.00393
2025-12-200.003906
2025-12-210.003907
2025-12-220.003906
2025-12-230.00391
2025-12-240.00391
2025-12-250.003917
2025-12-260.003926
2025-12-270.003919
2025-12-280.003917
2025-12-290.003919
2025-12-300.003921
2025-12-310.003919
2026-01-010.003937
2026-01-020.00394
2026-01-030.003942
2026-01-040.003942
2026-01-050.003945
2026-01-060.003947
2026-01-070.003945
2026-01-080.003935
2026-01-090.003932
2026-01-100.003957
2026-01-110.003957
2026-01-120.003956
2026-01-130.00395
2026-01-140.003928
2026-01-150.00393
2026-01-160.003951
2026-01-170.003973
2026-01-180.003971
2026-01-190.00397
2026-01-200.00397
2026-01-210.003957
2026-01-220.004005
2026-01-230.003989
2026-01-240.004009
2026-01-250.004013
2026-01-260.004006
2026-01-270.003823
2026-01-280.004011
2026-01-290.00402
2026-01-300.004016
2026-01-310.003768
2026-02-010.003997
2026-02-020.004014
2026-02-030.003941
2026-02-040.003945
2026-02-050.003933
2026-02-060.003931
2026-02-070.003959
2026-02-080.003958
2026-02-090.003956
2026-02-100.003964
2026-02-110.003958
2026-02-120.004331
2026-02-130.003961
2026-02-140.003963
2026-02-150.003963
2026-02-160.003965
2026-02-170.003946
2026-02-180.003949
2026-02-190.003955
2026-02-200.003966
2026-02-210.003956
2026-02-220.003958
2026-02-230.003957
2026-02-240.003963
2026-02-250.003967
2026-02-260.003963
2026-02-270.003971
2026-02-280.003972
2026-03-010.003973
2026-03-020.003978
2026-03-030.003997
2026-03-040.004019
2026-03-050.004028
2026-03-060.003993
2026-03-070.00385
2026-03-080.003758
2026-03-090.004024
2026-03-100.004004
2026-03-110.004014
2026-03-120.004028
2026-03-130.00403
2026-03-140.004041
2026-03-150.00404
2026-03-160.004036
2026-03-170.004043
2026-03-180.004044
2026-03-190.004073
2026-03-200.004072
2026-03-210.004125
2026-03-220.00411
2026-03-230.004106
2026-03-240.004099
2026-03-250.004115
2026-03-260.004109
2026-03-270.004115
2026-03-280.00452
2026-03-290.004144
2026-03-300.004079
2026-03-310.004112
2026-04-010.004087
2026-04-020.004045
2026-04-030.004046
2026-04-040.004047
2026-04-050.004054
2026-04-060.004059
2026-04-070.004058
2026-04-080.004025
2026-04-130.004417
2026-04-140.004443
2026-04-150.00444
2026-04-160.004442
2026-04-170.004449
2026-04-180.004425
2026-04-190.004432
2026-04-200.00444
2026-04-210.004439
2026-04-220.004456
2026-04-230.004485
2026-04-240.004484
2026-04-250.004484
2026-04-260.004484
2026-04-270.004484
2026-04-280.0045
2026-04-290.004505
2026-04-300.004522
2026-05-010.004524
2026-05-020.004524
2026-05-030.004524
2026-05-040.004524
2026-05-050.004533
2026-05-060.004531
2026-05-070.004513
2026-05-080.004509
2026-05-090.004502
2026-05-100.004491
2026-05-110.004491
2026-05-120.004179
2026-05-140.004186
2026-05-150.00457
2026-05-160.004001
2026-05-170.004192
2026-05-180.004582
2026-05-190.004208
2026-05-200.004232
2026-05-210.004217
2026-05-230.004184
2026-05-240.004185
2026-05-250.00417
2026-05-260.004172
2026-05-270.004189
2026-05-280.004216
2026-05-290.004178
2026-05-300.004153
2026-05-310.004154
2026-06-010.004147
2026-06-020.00386
2026-06-030.003892
2026-06-040.004191
2026-06-050.004187
2026-06-060.004165
2026-06-090.004192
2026-06-100.004178
2026-06-110.00419
2026-06-120.004169
2026-06-130.00417
2026-06-140.004171
2026-06-150.004144
2026-06-160.003823
2026-06-170.004133
2026-06-180.004136
2026-06-190.003812
2026-06-200.004131
2026-06-210.004134
2026-06-220.004132
2026-06-230.004148
2026-06-240.004154
2026-06-250.004127
2026-06-260.004142
2026-06-270.004136
2026-06-280.004142
2026-06-290.004134
2026-06-300.004143
2026-07-010.00415
2026-07-020.004546
2026-07-030.004168
2026-07-040.00418
2026-07-050.004176
2026-07-060.004171
2026-07-070.004151
2026-07-080.004157
2026-07-090.004172
2026-07-100.004165
2026-07-110.004174
2026-07-120.004172
2026-07-130.004179
2026-07-140.00419
2026-07-150.004212
2026-07-160.004216
2026-07-170.004217
2026-07-180.004224
2026-07-190.004212
2026-07-200.004213
2026-07-210.004213
2026-07-220.004204
2026-07-230.004206
2026-07-240.004093
2026-07-250.004077
2026-07-260.003985
2026-07-270.004207
2026-07-280.003951
2026-07-290.003954
2026-07-300.00418
2026-07-310.004173
2026-08-010.004166
2026-08-020.004168
2026-08-030.004155
2026-08-040.004166
2026-08-050.003977
2026-08-060.004149
2026-08-070.004169
2026-08-080.004121
2026-08-090.004165
2026-08-100.004164
2026-08-110.004171
2026-08-120.004179
2026-08-130.00404
2026-08-140.004164
2026-08-150.004171
2026-08-160.00417
2026-08-170.004171
2026-08-180.004172
2026-08-200.004173
2026-08-210.00418
2026-08-220.004121
2026-08-230.003908
2026-08-240.004183
2026-08-250.004187
2026-08-260.004166
2026-08-270.004173
2026-08-280.004164
2026-08-290.004071
2026-08-300.00416
2026-08-310.004168
2026-09-010.00414
2026-09-020.004143
2026-09-030.004117
2026-09-040.003844
2026-09-050.004046
2026-09-060.004122
2026-09-070.004121
2026-09-080.00413
2026-09-090.004141
2026-09-100.004156
2026-09-110.004172
2026-09-120.004167
2026-09-130.004166
2026-09-140.00417
2026-09-150.004179
2026-09-160.003892
2026-09-170.004178
2026-09-180.004571
2026-09-190.004185
2026-09-200.004183
2026-09-210.004175
2026-09-220.003886
2026-09-230.004169
2026-09-240.004183
2026-09-250.004183
2026-09-260.004174
2026-09-270.004176
2026-09-280.004184
2026-09-300.003895
2026-10-020.004177
2026-10-030.004171
2026-10-050.004184
2026-10-060.004182
2026-10-070.003912
2026-10-080.004201
2026-10-090.00421
2026-10-100.004206
2026-10-110.004212
2026-10-120.004169
2026-10-130.004157
2026-10-140.004137
2026-10-150.003904
2026-10-160.004124
2026-10-170.004135
2026-10-180.004138
2026-10-190.004128
2026-10-200.004129
2026-10-210.004121
2026-10-220.004116
2026-10-230.004136

High

0.004582

Low

0.003679

Average

0.003939

Statistics use all 714 daily observations in the selected period.

For developers

Get this rate via the API

One GET request returns the SLL/BTN 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=SLL&currencies=BTN"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=BTN");
const data = await response.json();
Python
import requests

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

Replace YOUR_API_KEY with the key from your dashboard.

SLL/BTN API questions

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

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

How far back does SLL/BTN historical data go?

Daily SLL/BTN 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 SLL/BTN 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.