I am new to Magento and I am having an issue with the use of the rest API.
I see some blogs/tutorials on the Internet where they create modules to use the web API. Also in magento2 API doc, they tell to create the webapi.xml file but it is not cleared/told that the file should be in a module or where exactly.
My question is do we need a module to use the Rest API? I didn't find out also the webapi.xml doc.
Btw I need the API to create new products in the store. I am using API of a website which gives me the images and name of products.