OpenX · GraphQL Specification

OpenXSelect API (GraphQL)

generated: '2026-08-13'

Documentation Endpoint View on GitHub AdvertisingProgrammatic AdvertisingAd ExchangeSupply Side PlatformSSPReal-Time BiddingOpenRTBHeader BiddingPrebidAdTechCTVVideo AdvertisingDisplay AdvertisingCurationIdentityGraphQLgRPCMCPReportingAudience TargetingGraphQL

Overview

OpenXSelect API (GraphQL) is a GraphQL API specification published by OpenX on the APIs.io network.

generated: ‘2026-08-13’

Tagged areas include Advertising, Programmatic Advertising, Ad Exchange, Supply Side Platform, and SSP.

Endpoint

Back to OpenX · All GraphQL Specs · GitHub

Work with this as data

Every GraphQL schema here is available over the APIs.io API and to AI agents over MCP.

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Tools for graphql

4 MCP tools reach this
  • find_graphqlBrowse and filter every GraphQL schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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Call it yourself

curl for this page
This GraphQL schema 
curl "https://apis.io/api/v1/graphql/openx-graphql"
All graphql 
curl "https://apis.io/api/v1/graphql?limit=25"

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