Reading outside database and making a form to outside database

Hi,
I need to use some values from outside database. (Simply I need to show some user post.)

And I need to make a form to send outside database.

Those needs can be done on webflow platform wit one way or another? If so I can prepare front-end part and I can share it to an back-end developer.

Thank you.

What access methods does your database support? Does it have an API?

Should be possible, just let your developer take a look at it.