Rubicon Project

Magnite Exchange API (xAPI) OpenRTB Extensions

Magnite's Exchange API (xAPI) protobuf extensions to the IAB OpenRTB 2.x protobuf definitions, published in the open on GitHub. Defines Magnite-specific OpenRTB extension fields (extension IDs in the 5100-5299 range) for the AdEngine bidding endpoint, including window/iframe geometry, key-value pairs and supply-chain signals used by demand partners bidding into the Magnite exchange.

GitHub

Other Resources

🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/rubicon-project/refs/heads/main/grpc/rubicon-project-openrtb-xapi.proto
🔗
SourceCode
https://github.com/MagniteEngineering/xapi-proto

API entry from apis.yml

apis.yml Raw ↑ 
aid: rubicon-project-openrtb-xapi
name: Magnite Exchange API (xAPI) OpenRTB Extensions
description: Magnite's Exchange API (xAPI) protobuf extensions to the IAB OpenRTB 2.x protobuf definitions,
  published in the open on GitHub. Defines Magnite-specific OpenRTB extension fields (extension IDs in
  the 5100-5299 range) for the AdEngine bidding endpoint, including window/iframe geometry, key-value
  pairs and supply-chain signals used by demand partners bidding into the Magnite exchange.
humanURL: https://github.com/MagniteEngineering/xapi-proto
baseURL: https://github.com/MagniteEngineering/xapi-proto
tags:
- OpenRTB
- Real-Time Bidding
- Protobuf
properties:
- type: Protobuf
  url: grpc/rubicon-project-openrtb-xapi.proto
- type: SourceCode
  url: https://github.com/MagniteEngineering/xapi-proto