OpenDirect 1.5.1 Released

Download OpenDirect 1.5.1 (PDF)

Release Date: September 2016

Overview of OpenDirect 1.5

Developed by members of the OpenDirect Working Group, the revision provides essential updates such as change request support, revised diagrams, and improved implementation references in order to drive wider industry adoption of the protocol.

The updates made in OpenDirect 1.5 and the challenges they address are:

  • Increased currency rules
  • Publisher Order Creation
  • Change Request support
  • Provision for publishers to finalize orders prior to creative being assigned

OpenDirect 1.5.1, released September 2016, provides an update to the specification including several bug fixes as well as clarification around User Accounts.


Previous Versions Supporting Resources Related Documents FAQ


About OpenDirect

IAB released the final version of OpenDirect 1.0 in January 2015. Originally developed by a working group of representatives from AOL, Microsoft, Yahoo, and Yieldex, and later expanded to include executives from Bionic Advertising Systems and MediaMath as well, the OpenDirect specification was brought to IAB and its Digital Advertising Automation Task Force to be part of the trade association’s existing automation efforts, to gain wider industry participation, and to drive adoption across the ecosystem.

Automated Guaranteed is the method of buying which automates the digital direct sale. The deal is negotiated directly between buyer and seller (in-person or via a platform), the inventory and pricing are guaranteed, and the campaign runs at the same priority as other direct deals in the ad server. The RFP (Request for Proposal) and campaign trafficking process are completely automated within the technology platform. OpenDirect is the API specification which supports this process.

OpenDirect 1.0 was the first open specification that supports Automated Guaranteed to be released into the market. The specification offers a range of benefits to both agencies and publishers alike including:

Publisher benefits:

  • Increased workflow efficiencies
  • Greater control in packaging, pricing, and delivery of inventory
  • Reliable means of automating reserved inventory

Agency benefits:

  • Liquidity of bigger pools of unique users
  • Increased efficiency via one API integration across multiple publishers
  • Book guaranteed delivery and access to media offerings not available on an exchange

Previous Versions
Version Release Date
OpenDirect 1.5 (PDF) March 2016
OpenDirect 1.0 (PDF) March 2015

Supporting Resources

Tech Lab CodeBank: OpenDirect

The IAB Tech Lab Releases Updates To Three Programmatic Protocols (Blog Post)

OpenDirect 1.5 Released for Public Comment (Blog Post)

IAB Releases OpenDirect 1.0 For Public Comment of Specification That Provides Publishers Greater Control in Packaging, Buying and Selling Premium Inventory Through Programmatic (Press Release)

Developed by the OpenDirect Working Group

IAB Tech Lab Contact

Jennifer Derke
Director of Product, Programmatic & Data