Build your ideal programmatic stack

Whether you're a traditional publisher, a DOOH media owner, or a podcast platform, Relay's APIs give you control over how you monetize, allowing you to drive more revenue.

One API call.
Thousands of possibilities.

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100% neutral auctions
We don't own demand
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Robust filtering
Requests by geo and more
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Partner toggling
Easily toggle demand sources
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Creative controls
Manual controls and restrictions

Control every aspect of your monetization

Relay acts as a layer between your ad server and your demand partners, giving you more control over who wins what and why.

Why use Relay to manage your demand partners?

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Server-side auctions
No ad tags or cookies - improving privacy and load times
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Direct DSP integrations
Connect to SSPs, exchanges, and DSPs
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Easy demand toggling
Turn on/off demand partners in seconds
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Kevel Relay
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Creative controls
You decide what ad creatives can and can't appear
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Robust filtering
Easily filter bids by geo, price floors, keywords, and much more
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Complete transparency
Relay supports full log shipping for auction monitoring

Powering a Programmatic Revolution Through APIs

An Introduction to Kevel Relay
Download Now
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Kevel Relay Whitepaper Download
Kevel Relay DOOH

Leverage the first neutral mediation layer in DOOH

Know how DOOH media owners are unifying their auctions
Learn More

Transparent pricing without a revenue share

We're not another middleman looking to take a cut of your revenue. Simple usage-based costs no matter your CPMs.
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Case Study

Discover how Blockthrough saw fill rate improved by 12% and revenue for its publishing clients by 10%

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Blockthrough builds server-side header bidding stack using Relay’s APIs

Blockthrough’s server-side solution enabled them to scale demand without taxing user experience and unlock incremental revenue.
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Increase in fill rate


Increase in incremental revenue


Integrated SSPs
Want to build your ideal programmatic stack?
Learn more about how Kevel Relay can help you run neutral unified auctions.