Get wordpress post with featured image, category and tag from Wordpress API

I have to transfer data from Wordpress website to custom CMS ( I don' t have access to database), and I need to transfer post data (title, excerpt, content) along with featured image link and category (preferably just category ID) if it' s possible using Wordpress API?

Thank you!

EDIT

I need someone who can make query for API e.g. example.com/v2/json/posts=-1meta_key=allfeatured_image=url

Topic rest-api json migration cms Wordpress

Category Web

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