Question About token

I can see that many website interface parameters have a token. I 'd like to ask what the meaning or function of this parameter is. Thank you. I can see that many website interface parameters have a token. I 'd like to ask what the meaning or function of this parameter is. Thank you.

Reply content:

I can see that many website interface parameters have a token. I 'd like to ask what the meaning or function of this parameter is. Thank you.

Many tokens are used for permission authentication, such as logon judgment, request interface authentication, and request interface validity. Generally, the expiration time is set for many tokens. the token must be valid for normal use.

Used for verification to prevent resource theft

Token can hide some parameters, which are not easy to crack. Many APIs are used, and many websites are using token now.