Is there an official or not official Facebook api?

Question

Facebook

I am interested in particular methods of searching and adding to friends

Answer 1

There are two ways to get a link to this sacred knowledge - ̶p̶r̶o̶y̶t̶i̶ ̶o̶b̶r̶ya̶d̶ ̶p̶o̶s̶v̶ya̶sch̶e̶n̶i̶ya̶ ̶v̶ ̶t̶a̶y̶n̶y̶y̶ ̶o̶r̶d̶e̶n̶ ̶r̶a̶z̶r̶a̶b̶o̶t̶ch̶i̶k̶o̶v̶, ̶ ̶p̶r̶i̶n̶e̶s̶ya̶ ̶v̶ ̶zh̶e̶r̶t̶v̶u̶ ̶d̶e̶v̶s̶t̶v̶e̶n̶n̶i̶ts̶u̶ click on the link "Developer" at the bottom right of the page https://www.facebook.com or type in the Google query "facebook api" and go to the first result in the output.