Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
6 Months Ended
Jun. 30, 2022
Aug. 05, 2022
Entity Listings [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2022  
Document Transition Report false  
Entity File Number 001-39116  
Entity Registrant Name Katapult Holdings, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 81-4424170  
Entity Address, Address Line One 5204 Tennyson Parkway, Suite 500  
Entity Address, City or Town Plano  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75024  
City Area Code 833  
Local Phone Number 528-2785  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   98,378,821
Amendment Flag false  
Entity Central Index Key 0001785424  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Common Stock, par value $0.0001 per share    
Entity Listings [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol KPLT  
Security Exchange Name NASDAQ  
Redeemable Warrants    
Entity Listings [Line Items]    
Title of 12(b) Security Redeemable Warrants  
Trading Symbol KPLTW  
Security Exchange Name NASDAQ