v3.26.1
Document And Entity Information
 12 Months Ended
Dec. 31, 2025
shares
Document Information Line Items  
Entity Central Index Key 0001876766
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Current Fiscal Year End Date --12-31
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-41493
Entity Registrant Name Lichen International Limited
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 15th Floor, Xingang Square
Entity Address, Address Line Two Hubin North Road
Entity Address, Address Line Three Siming District
Entity Address, City or Town Xiamen City
Entity Address, Country CN
Entity Address, Postal Zip Code 361013
Title of 12(b) Security Class A Ordinary shares, par value $0.008 per share
Trading Symbol LICN
Security Exchange Name NASDAQ
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard U.S. GAAP
Entity Shell Company false
Auditor Firm ID 6907
Auditor Name Enrome LLP
Auditor Location Singapore
Amendment Flag false
Document Fiscal Period Focus FY
Class A Ordinary Shares  
Document Information Line Items  
Entity Common Stock, Shares Outstanding 16,216,825
Class B Ordinary Shares  
Document Information Line Items  
Entity Common Stock, Shares Outstanding 110,000
Business Contact [Member]  
Document Information Line Items  
Entity Address, Address Line One 15th Floor, Xingang Square
Entity Address, Address Line Two Hubin North Road
Entity Address, Address Line Three Siming District
Entity Address, City or Town Xiamen City
Entity Address, Country CN
Entity Address, Postal Zip Code 361013
Contact Personnel Name Ya Li
City Area Code +86
Local Phone Number 592-5586999
Contact Personnel Email Address Ir@lichenzx.com