v3.25.1
Cover
Jun. 05, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 05, 2025
Entity Registrant Name Viant Technology Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40015
Entity Tax Identification Number 85-3447553
Entity Address, Address Line One 2722 Michelson Drive
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Irvine
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92612
City Area Code 949
Local Phone Number 861-8888
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A common stock, par value $0.001 per share
Trading Symbol DSP
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001828791
Amendment Flag false