The Competitive Dialogue procedure is plugin to Open Procurement API software.
REST-ful interface to plugin is in line with core software design principles.
CompetitiveDialogue procedure which split on 2 stages, first it’s where broker specify requirements, and second where he create tender with requirements from first stage. Second stage by procedure similar to Open EU, and Open UA.
The project is in active development and has pilot installations.
The source repository for this project is on GitHub: https://github.com/openprocurement/openprocurement.tender.competitivedialogue
API is highly unstable, and while API endpoints are expected to remain relatively stable the data exchange formats are expected to be changed a lot. The changes in the API are communicated via Open Procurement API maillist.