Developers have extensive access to RPost APIs in order to build new services and features for merchants. This section will help you understand which parts of RPost you can access and how to work with them.
https://webapi.rsign.com/api/V1
This will give the settings for the given CompanyID.
This will give the settings for the given CompanyId and UserEmail. Users who are not associated with any Company should pass CompanyId as empty guid(00000000-0000-0000-0000-000000000000).