What is the requirement of link my profil ter other profil?

I searched royaleapi help site but i couldn’t find the requierment ter link my profil. What is the requierment? I already have two accounts.

Please respond me

These requirements are not public

why? why is not public?

My question was is there trophy requierments or I need to be on esports or what?

Sorry, if the requirements aren’t public it means that we won’t tell you

Why?Is it a secret or what? Just tellme please.

why you won’t tell me? Just give me a reason please.