MCOauth

Dojnaz provides a method to securely verify that someone has access to a specific Minecraft account.

How does it work?
A user has to join our oauth servers. The address for the server is When they join, they will be shown an 8 digit number which they can they enter into your website. The code is sent to your server which in its turn asks our server to validate it.

I want to use this
Awesome!

You can see the docs here. Very simple https://docs.dojnaz.net/minecraft-oauth

That page also has links to other API docs that you might want to use