facebook 무기한 토큰 만들

1단계 : https://graph.facebook.com/v2.2/oauth/access_token?grant_type=fb_exchange_token&client_id={app_id}&client_secret={app_secret}&fb_exchange_token={short_lived_token}

 

2단계 : https://graph.facebook.com/v2.2/me?access_token={long_lived_access_token}

 

3단계 : https://graph.facebook.com/v2.2/{account_id}/accounts?access_token={long_lived_access_token}

 

{account_id}는 2단계에서 나온 Id값을 넣어주면 됨