Android Volley gives me 400 error

Question

I\'m trying to make a POST request to my API and it works in Postman (I get a valid JSON object), but not using Volley. With the follo

Answer 1

Check if you are using correct SDK

For Android Studio / IntelliJIDEA:

File -> Project Structure -> Project -> Project SDK 
Modules -> Check each modules "Module SDK" 

Preferably, you should use "Google API (x.x)" instead of Android API