Annual report pursuant to Section 13 and 15(d)

Cover

v3.22.0.1
Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Mar. 11, 2022
Jun. 30, 2021
Entity Listings [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Current Fiscal Year End Date --12-31    
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    
Entity Address, Address Line Two 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 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 Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 593
Entity Common Stock, Shares Outstanding   97,854,865  
Documents Incorporated by Reference DOCUMENTS INCORPORATED BY REFERENCEPortions of our Definitive Proxy Statement for our 2022 Annual Meeting, expected to be filed within 120 days of our fiscal year end, are incorporated by reference into Part III of this Annual Report on Form 10-K.    
Entity Central Index Key 0001785424    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
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