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By Ad Unit  ›
Native Ads

Serve non-obtrusive, user-first ads

Sponsored Listings

Have sellers promote their listings

Email Ads

Insert native ads into your emails

Personalized Content

Upsell and personalize messages

Digital-Out-Of-Home (DOOH)

Deliver ads to any digital screen

See all ad units  ›

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Ad Server APIs

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Kevel Relay

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Velocidi

Unlock your first-party data

Forecasting

Sell ad space with confidence

Video Ads

Upload and serve video ads

Solutions
Industries  ›
Retail Media

Own your retail media platform

Marketplaces

Easily add sponsored listings

Food Delivery

Integrate sponsored restaurants and products

Fintech

Monetize with native ads

Travel

Add sponsored listings and promoted offers

Non-Traditional Publishers

Launch a new revenue stream

Traditional Publishers

Enhance your direct-sold program

Online Communities

Insert user-friendly promoted posts

In-Game and VR

Serve immersive in-game ads

Ad Networks

White-label Kevel's ad infrastructure

See all industries  ›

Developers
API Documentation  ›
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Decision API
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User Management API
Tools & Resources  ›
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API Status

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Customer Stories
Customer Spotlights  ›
Klarna
Klarna

Native product ads

Slickdeals
Slickdeals

Sponsored listings

Yelp
Yelp

In-product marketing

Ticketmaster
Ticketmaster

Personalized event promotions

Chairish
Chairish

Peer-to-peer promoted listings

WeTransfer
WeTransfer

Beautiful skin ads

Imgur
Imgur

Native promoted posts

The Motley Fool
The Motley Fool

User-targeted text ads

Strava
Strava

Targeted paid plan upsells

TouchTunes
TouchTunes

DOOH jukebox ads

See all customers  ›

Promoted
Why Klarna used Kevel to monetize their app with native ads See Klarna case study

Why Klarna used Kevel to monetize their app with native ads
About
About Kevel  ›
About

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Resources
Featured Content  ›
Ad Servers - Build Or Buy?

Should you build or buy an ad server?

The Cost Of Building An Ad Server

Ad servers can be expensive to build

Scaling Your Ad Server Is Hard

Use APIs to scale it faster

Is It Time To Move Off GAM?

GAM is not a long-term solution

Blog & Resources  ›
Ad Platform Academy

Resources to start an ad business

Kevel Blog

Articles about Kevel and the industry

Ad Platform Academy
Insights on how to launch your ad business Browse content

Insights on how to launch your ad business
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Talk to an Expert
Start Now

Drive more revenue with user-friendly video ads

Kevel's ad serving APIs help brands monetize with innovative video ads that both advertisers and users enjoy.

Start Now Watch Video

"We saw 30% revenue growth after launching a custom ad platform with Kevel."

Director of Ad Engineering, Edmunds

Quickly integrate full-featured video ads that advertisers will love

  • Seamless, native video streaming, serving, and transcoding
  • VAST tracking enabled
  • Optimized for hundreds of devices and screens
  • Video ads across mobile, desktop, CTV, DOOH, and more

Drive new revenue on your terms, without having to build the tech from scratch

Fast response times

We average 28ms

Privacy-first

No cookies or JS tags

Fully white-labeled

The front end is all you

Bypass ad blockers

Users don't mind native ads

Ad serving APIs and SDKs to bring your vision to life

Decision API

Request an ad decision
Management API

Manage and automate campaigns
Reporting API

Generate reports automatically
Software Development Kits

Build faster with SDKs
Developer Tools

Launching made easy
First-Party Data Platform

Store and target by first-party data

Drive more revenue with video ads and take back the Internet

There's a stacked deck against ad monetization. You either use an imperfect third-party vendor, spend years building your own ad platform, or forego ad revenue altogether. Enter Kevel. Use us to easily build a custom video ad platform, so you can take back your revenue, data, and UX.

Discover how Kevel's APIs give you the freedom to scale quickly

WeTransfer Logo

WeTransfer integrates beautiful native ads into their file sharing platform

WeTransfer monetizes their site without needing ad tags or cookies
Klarna Logo

Klarna monetizes with a user-friendly, user-targeted native ad product

Klarna quickly integrates sponsored ads into their mobile app using Kevel.
Imgur Logo

Imgur monetizes with user-friendly promoted posts

The popular online community integrates native ads into users' feeds

Want to integrate video ads?

Start now

Get started building the exact ad platform you want in just weeks

Start now

Kevel is a great partner, and we recommend them to anyone building a custom ad platform.
Chief Digital Officer, Bed Bath & Beyond