Before Issue moving to Done(transition) status ,It is possible to get issue transition manatory fields without using issue key?

Hi Team,
I am trying to get issue done transition manatory fields.Here i don’t have issue key.Based on merging condition automatically detect issues and tried to close that ticket with manatory done transistion field values.Before Issue moving to Done(transition) status ,It is possible to get project having issue transitions manatory fields without using issue key?

Hi Team,
Do you have any updates?

I want api similar like .This is for getting issue creation manatory field.I want issue done transistion like below without using issue key
route/rest/api/3/issue/createmeta?projectKeys=${jiraproject}&issuetypeIds=10000,10001,10002&expand=projects.issuetypes.fields;