Please read this manual for the basics in API calls. This manual contains information over API key location and overall rules:
General API docs directory are located here:
Repricing rules can take into account process prices, availability, promotions, etc. of stores, including data that you downloaded or we collected in custom fields.
Repricing scheme looks this way.
There are two options:
Each product block contains Suggested price and repricing Alerts.
Select all product for repricing, click reprice, after that all products will be sent to the repricing bucket.
The repricing data set in Json format will be represented as bellow