How do I preview content in Contentful?
To get started, navigate to the Settings tab and click on the Content preview item. Add a new environment by filling out the required fields. The form for adding a preview will automatically list all the content types found in your space.
What is API preview?
In addition to the Content Delivery API (CDA) for published content, is the Preview API for previewing unpublished content as though it were published. It maintains the same behaviour and parameters as the CDA, but delivers the latest draft for entries and assets.
How do I get data from Contentful?
To fetch the data stored in Contentful, you can use RESTful APIs (Content Delivery API, Content Management API and Content Preview API) or the GraphQL API. This tutorial uses the GraphQL API. The main advantage of GraphQL is that developers can request and define the data included in the response.