Save Time. Save Money. Save the Internet.

With Kevel's ad serving APIs, you can build custom ad platforms for sponsored listings, internal promotions, native ads, and more — so you can take back the Internet and drive more revenue.

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Kevel Customer, WeTransfer, Natascha Chamuleau, Chief Advertising Officer
"Kevel offers the freedom to own our entire ad tech stack."
Natascha Chamuleau, Chief Advertising Officer

More freedom

The in-house, native ad platforms of Facebook, Google, and Amazon gave them the revenue to take risks and grow. There's no reason you can't do the same.

More action

Building an ad business from scratch is daunting, time-intensive, and expensive. Ad serving APIs let you design what you want, without the risk, in 90% less time.

More humanity

Respect your users with privacy-focused, fast, visually-appealing ads, rather than obtrusive programmatic ads.

"With Kevel we built the exact ad platform we wanted. No one else could provide this flexibility."

VP of Product, Ticketmaster

Build a custom ad server in just weeks

Kevel’s APIs provide the core infrastructure for ad serving, targeting, and reporting. Don't reinvent the wheel — leave the plumbing to Kevel and focus on building an ad product as unique as you.

Tech deep dive

Built for developers. Trusted by enterprises.

curl -H 'Content-Type:application/json' \
  -X POST \
  -d '{"placements":[{
  "user":{"key":"abc"}}' \
{ "user": { "key": "abc" },
  "decisions": {
    "div1": {
      "adID": 1234567,
      "creativeID": 7654321,
      "flightID": 9876543,
      "campaignID": 3456789,
      "clickURL": "",
      "imageURL": "",
      "height": 250,
      "width": 300,

APIs and SDKs to bring your vision to life.

  • Target using first-party data
  • Create self-serve advertising portals
  • Employ first and second price auctions
  • Offer city and geo-radius targeting
Kevel Example Ad Solution
Kevel Example Ad Solution
Kevel Example Ad Solution
Kevel Example Ad Solution
Kevel Example Ad Solution
Kevel Example Ad Solution

Maximize revenue. Save time & cost.

  • Launch an MVP quickly, without hiring more engineers
  • Easily add new features to your homegrown solution
  • Bypass ad blockers
  • Automate your current manual processes

Launching an ad product doesn't have to be daunting

This guide outlines what goes into building an ad server from scratch - and how to speed up that process.

Download free eBook

Kevel Ebook

Ready to get started?

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