Web Services

-- https://thebrainfiles.wearebrain.com/how-to-quickly-configure-drupal-as-a-decoupled-api-first-system-8730a3623388 https://documenter.getpostman.com/view/5459957/S1TZyFjw?version=latest#707772be-2d65-4b3a-aacc-ec3ddc9f2072 https://www.drupal.org/docs/8/modules/jsonapi/updating-existing-resources-patch https://www.drupal.org/docs/8/core/modules/jsonapi-module https://thewebtier.com/php/snippet-post-multiple-files-guzzlehttp-client/