The Open Procurement Open EU procedure is plugin to Open Procurement API software.
REST-ful interface to plugin is in line with core software design principles.
Open EU procedure is dedicated to Open Tender procedure for threshold procurements with publication in English. The code for that type of procedure is aboveThresholdEU.
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.openeu
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.