什么是API和access token?

Tan01

小弟在这想请教各位大大什么是API和access token?是有什么用途？可以简单解释或给例子。

veryfree

Hope this will help.

https://www.google.com/?gws_rd=ssl#q=what+is+app+and+access+token

https://developers.facebook.com/docs/facebook-login/access-tokens

When someone connects with an app using Facebook Login, the app will be able to obtain an access token which provides temporary, secure access to Facebook APIs.

An access token is an opaque string that identifies a user, app, or Page and can be used by the app to make graph API calls. Access tokens are obtained via a number of methods, each of which are covered later in this document. The token includes information about when the token will expire and which app generated the token. Because of privacy checks, the majority of API calls on Facebook need to include an access token. There are different types of access tokens to support different use cases: