As we witnessed in Chapter 8, JSON API is a powerful alternative to core REST because it is a widely understood specification, it benefits from robust means of specifying relationships and query operations, and it is one of the most stable of the contributed web services solutions available to Drupal. Although JSON API is slated for inclusion in core as a stable module in Drupal 8.7.0, it might be less of interest to architects focused first and foremost on stability.
The Drupal implementation of JSON API differs significantly from core REST in several key ways. First, the _format query parameter ...
