For a deeper look into our Eikon Data API, look into:
Overview | Quickstart | Documentation | Downloads | Tutorials | Articles
Thank you for the question. The Refinitiv Developer Community is planning to adopt a common Refinitiv ID that you will be hearing more about in February 2020. Meanwhile your Refinitiv Developer Community account is not linked to other Refinitiv products even if you register with the same email address.
Please let us know if you have any comments or suggestions on this matter.