API Documentation

Question

What’s the purpose of an API without a documentation!?

Answer 1

There are numerous non documentation APIs but for good practices all APIs should have them as with our profile pics
https://api.Sololearn.com/Uploads/Avatars/0000000.jpg

Answer 2

Here is a better angle as why to include documentation
https://swagger.io/blog/api-documentation/what-is-api-documentation-and-why-it-matters/

Answer 3

for public use, yeah i agree.

but we still be able to do an experiment on it, to learn how it works, and if its a really great API i bet there are a ton of resource to look on the net.

Answer 4

originally for interal use, i guess

Answer 5

but without documentation a great API can be rendered useless...don’t you think so?