@jeffalo you have no idea how hard I’ve tried to find the API endpoint that lets you add a button to your profile 
Edit: Thanks @jeffalo!
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because it doesn't exist
¯\_༼ •́ ͜ʖ •̀ ༽_/¯
buttons right now are kinda a security issue since they can use javascript:, but when i launch the feature it would be limited to https or http. probably.
Makes total sense :)