Do we have to "pay" to develop third party applications built on ESI?

CCP_Fleebix (CCP Fleebix) November 2, 2021, 9:47am 46

Can someone summarize the question?

Topic		Replies	Views
ESI and Developer Account Third Party Developers	2	1147	July 22, 2019
ESI Licensing Clarification Third Party Developers	11	739	May 13, 2018
Developer Registration Third Party Developers	4	417	September 18, 2018
Can't signup to the Dev ESI General Issues	4	503	September 2, 2019
Application for own use Third Party Developers	2	392	March 6, 2020