Mediation Engine — Cleans, enriches, and normalizes raw usage events — mapping IDs to accounts, filtering noise, converting units — before anything is priced. It sits between ingestion and rating, and the quality of every downstream invoice depends on it.
Mediation Engine lives in the Consume & Meter phase of Fulfill & Bill — the stage where you activate what was sold, meter what's used, bill it right. In the corpus tool index this phase maps to the Meteringcategory.