v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 26, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Information [Line Items]    
Entity Registrant Name Apimeds Pharmaceuticals US, Inc.  
Entity Central Index Key 0001894525  
Entity File Number 001-42545  
Entity Tax Identification Number 85-1099700  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 100 Matawan Rd  
Entity Address, Address Line Two Suite 325  
Entity Address, City or Town Matawan  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07747  
Entity Phone Fax Numbers [Line Items]    
City Area Code (848)  
Local Phone Number 201-5010  
Entity Listings [Line Items]    
Title of 12(b) Security Common stock, par value $0.01 per share  
Trading Symbol APUS  
Security Exchange Name NYSEAMER  
Entity Common Stock, Shares Outstanding   15,091,177