v3.26.1
Cover - shares
12 Months Ended
Dec. 31, 2025
Apr. 27, 2026
Entity Addresses [Line Items]    
Document Type 20-F/A  
Amendment Flag true  
Amendment Description This Amendment No. 1 to Form 20-F (the “Form 20-F/A”) amends our annual report on Form 20-F for the year ended December 31, 2025 (the “Annual Report”), which was originally filed with the U.S. Securities and Exchange Commission on April 27, 2026. The purpose of this Form 20-F/A is to amend Item 5. Operating And Financial Review And Prospects, Item 15. Controls and Procedures, and Item 19. Exhibits. We amended the following items and/or pages: (1) pages 7, 11, 16 of Item 5. Operating And Financial Review And Prospects, (2) page 19 of Item 15. Controls And Procedures, (3) page 20 of Item 19. Exhibits; (4) the filing of Exhibits 4.12 and 4.13 to the Annual Report; (5) the text of the Section 302 certifications attached as Exhibits 12.1 and 12.2 to the Annual Report; and (6) the text of Section 906 certification attached as Exhibit 13.1 and 13.2 to the Annual Report.   
Document Registration Statement false  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false  
Document Period End Date Dec. 31, 2025  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31  
Entity File Number 001-42288  
Entity Registrant Name Cuprina Holdings (Cayman) Limited  
Entity Central Index Key 0001995704  
Entity Incorporation, State or Country Code E9  
Entity Address, Address Line One c/o Blk 1090  
Entity Address, Address Line Two Lower Delta Road #06-08  
Entity Address, City or Town Singapore  
Entity Address, Country SG  
Entity Address, Postal Zip Code 169201  
Title of 12(b) Security Class A Ordinary shares, par value US$0.001 per share  
Trading Symbol CUPR  
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  
Elected Not To Use the Extended Transition Period false  
Document Accounting Standard U.S. GAAP  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   7,365,000
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Business Contact [Member]    
Entity Addresses [Line Items]    
Entity Address, Address Line One Blk 1090  
Entity Address, Address Line Two Lower Delta Road #06-08  
Entity Address, City or Town Singapore  
Entity Address, Country SG  
Entity Address, Postal Zip Code 169201  
City Area Code 65  
Local Phone Number 8512 7275  
Contact Personnel Name David Quek Yong Qi