The most commonly used endpoint are of the form /footprint-<tier> where tier reflects your subscription level. These are simple filters of our impact factor database (after tier-based access is applied). For more information, see the query schema.
An authenticated query to the following endpoints will return a list of all the possible values for that field. These change infrequently, and serve GET requests only.
/activity-unit/activity-classification-system/source/region/country/impact-category/metric/scope/level