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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

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Sell ad space with confidence

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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

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User Management API
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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

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Promoted
Why Blockthrough used Kevel Relay to build server-side API header bidding See Blockthrough case study

Why Blockthrough used Kevel Relay to build server-side API header bidding
About
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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

Relay Whitepaper
Introducing our programmatic APIs Download now

Introducing our programmatic APIs
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Start Now

Build a high-revenue ad platform for your marketplace

Create a new revenue stream for your marketplace with native ads and sponsored listings.

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"With Kevel, we built a custom ad platform that drove 30% more revenue for our marketplace."

Director of Ad Engineering, Edmunds
ads

Quickly integrate sponsored listings and native ads into your marketplace

  • No UX changes thanks to server-side APIs
  • Target by search term, location, first-party data, and more
  • Build a self-serve buying portal for advertisers
  • Have a homegrown solution? Use Kevel to scale it and add new features
ads

Featured listings

ads

Native ads

ads

Personalized homepage listings

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 for your marketplace 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 marketplace ad platform, so you can take back your revenue, data, and UX.

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

Chairish Logo

Chairish launches sponsored listings in just weeks — with one engineer

The peer-to-peer marketplace monetizes with self-serve sponsored listings
Slickdeals Logo

Slickdeals integrates featured listings into their deal discovery platform

The eCommerce ad platform is fast, native, and uses first-party data to serve more relevant ads.
Ticketmaster Logo

Ticketmaster increases revenue by personalizing what events users see

The leading ticket marketplace uses ad serving tech to increase ticket sales by 600%

Want to build a custom ad platform in just weeks?

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