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.

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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.

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Build a better ad experience while growing incremental revenue.

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Powering a Programmatic Revolution Through APIs.

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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

Request

curl -H 'Content-Type:application/json' \
  -X POST \
  -d '{"placements":[{
  "divName":"div1",
  "networkId":23,
  "siteId":667480,
  "adTypes":[5]}],
  "user":{"key":"abc"}}' \
  \
  https://e-23.adzerk.net/api/v2

Response

{ "user": { "key": "abc" },
  "decisions": {
    "div1": {
      "adID": 1234567,
      "creativeID": 7654321,
      "flightID": 9876543,
      "campaignID": 3456789,
      "clickURL": "https://e-123.kevel.com...",
      "imageURL": "https://e-123.kevel.com...",
      "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.

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

Server-side solution enabled demand scaling without taxing UX and unlock incremental revenue.

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Build your ideal
programmatic stack