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.

100% neutral auctions

We don't own demand

Robust filtering

Requests by geo and more

Partner toggling

Easily toggle demand sources

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.

See how you can use Relay's APIs

Leverage the first neutral mediation layer in DOOH.

Build a better ad experience while growing incremental revenue.

Powering a Programmatic Revolution Through APIs.

Why use Relay to manage your demand partners?

Server-side auctions
No ad tags or cookies - improving privacy and load times
Direct DSP integrations
Connect to SSPs, exchanges, and DSPs
Easy demand toggling
Turn on/off demand partners in seconds
curl -H 'Content-Type:application/json' \ -X POST \ -d '{"placements":[{ "divName":"div1", "networkId":23, "siteId":667480, "adTypes":[5]}], "user":{"key":"abc"}}' \ \
{ "user": { "key": "abc" }, "decisions": { "div1": { "adID": 1234567, "creativeID": 7654321, "flightID": 9876543, "campaignID": 3456789, "clickURL": "", "imageURL": "", "height": 250, "width": 300, ... } } }
Creative controls
You decide what ad creatives can and can't appear
Robust filtering
Easily filter bids by geo, price floors, keywords, and much more
Complete transparency
Relay supports full log shipping for auction monitoring

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.

Want a personalized demo?

Learn more about how Kevel Relay can help you run neutral unified auctions