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I am having issues receiving JSON data of a node with Drupal 8 Core REST. Here are the steps I have went through several times:

  1. Install latest version of drupal 8
  2. Enable all core web services modules (HAL, HTTP Basic Authentication, RESTful Web Services, Serialization)
  3. Go to permissions page. Find RESTful Web Services permissions and allow delete, get, patch, and post for all users.

I created a path using Views module to show JSON format of my website contents and it works fine: http://www.example.com/api/v1/order/

but when I use the following URL to Get the JSON format of a node using POSTMAN or DHC client, it returns HTML format of data!:

http://www.example.com/node/1?_format=json

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    Did you enable the json format in node endpoint at /admin/config/services/rest? Commented Jan 20, 2017 at 12:05
  • Yes, I enabled josn, hal+json and xml format using REST UI module. Commented Jan 20, 2017 at 12:15
  • Well, in latest release there is no permission for REST API endpoints. May be you wanna try the latest release. Commented Jan 23, 2017 at 5:31
  • I ran into a similar problem. If it helps anyone who finds this later, the core doc suggestion of using curl example.com/node/1?_format=hal_json (seen here: drupal.org/docs/8/core/modules/rest/…) doesn't work. If you just use your browser to go to the address though, you'll see json formatted data. Commented Apr 19, 2018 at 13:58

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