The OpenRTB Validator is a utility for ensuring the validity of bid request and response payloads expressed in JSON.
The underlying code for the actual validator is also available. It is distributed freely under a BSD-3 open source license here. For assistance with this utility or the underlying validator, contact the Client Solutions team.
For general assistance with OpenRTB or if you are interested in getting involved, the community maintains user and developer mailing lists.
The validator can be used with all final versions of OpenRTB specification. See the online Technical Reference of the latest version of the OpenRTB Specification. The official document in PDF form can be found at http://www.iab.net/rtbproject.