v3.26.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2025
shares
Document and Entity Information  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-38313
Entity Registrant Name Amber International Holding Limited
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 1 Wallich Street
Entity Address, Adress Line Two #30-02 Guoco Tower
Entity Address, Country SG
Entity Address, Postal Zip Code 078881
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Common Stock, Shares Outstanding 471,376,257
Entity Central Index Key 0001697818
Current Fiscal Year End Date --12-31
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2025
Amendment Flag false
Auditor Name WWC, P.C.
Auditor Location San Mateo, California
Auditor Firm ID 1171
Class A ordinary shares  
Document and Entity Information  
Entity Common Stock, Shares Outstanding 435,143,020
Class B ordinary shares  
Document and Entity Information  
Entity Common Stock, Shares Outstanding 36,233,237
ADR [Member]  
Document and Entity Information  
Title of 12(b) Security American Depositary Shares, one representing five Class A ordinary shares, par value US$0.001 per share
Trading Symbol AMBR
Security Exchange Name NASDAQ
Business Contact  
Document and Entity Information  
Contact Personnel Name Josephine Ngai
Entity Address, Address Line One 1 Wallich Street
Entity Address, Adress Line Two #30-02 Guoco Tower
Entity Address, Country SG
Entity Address, Postal Zip Code 078881
Country Region 65
Local Phone Number 60220228
Contact Personnel Email Address josephine.ngai@ambr.io