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About Publisher APIs

Publishers use PubMatic APIs to create, manage, discover and negotiate ad inventory in the PubMatic system. You'll find the supporting documentation for PubMatic's Publisher APIs here.

Ad Decisioning APIs

 OpenRTB & SSP Ad Servers

PubMatic supports Ad Serving integration using OpenRTB 2.3, 2.1 and the SSP Ad Server. The SSP Ad Server API supports both GET and POST protocols to send a request to the PubMatic Ad Server with mandatory and optional parameters in the query string or post body.

Data & Analytics APIs


Automated Transaction APIs

 Inventory Management APIs (Sites & Ad Tags)

Other Publisher APIs