See our OGC API Webinar, which will guide you through different OGC services, help you understand the structure, show you how to run the requests in different environments and how it can be integrated with QGIS, ArcGIS and web applications.
Check out which operations can be used with WMS, WMTS, WFS or WCS requests in our documentation:
To compute how product values distribute for the given area of interest, and how the distribution evolves through time, use statistical info service.
Sentinel data is free. However, we still have to cover the infrastructure for data processing and distribution. Prices start with 25 EUR per month for consumers and research users and 83.25 EUR per month for commercial users.
Enterprise level service and in-house deployments are available as well.
Apply for trial account here.