GET /authorize?response_type=code&client_id=[APP_KEY]&state=[RANDOM_STRING] &redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fcb &scope=[OPTIONAL_SCOPES] HTTP/1.1 Host: server.example.com
POST /token HTTP/1.1 Host: server.example.com Content-Type: application/x-www-form-urlencoded grant_type=authorization_code&code=[CODE_FROM_STEP1] &client_id=[APP_KEY]&client_secret=[APP_SECRET] &redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fcb
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