Sparse fieldsets

How to request the API to return only specific fields
When you fetch a resource or collection, you can request the API to return only specific fields, using the fields query parameter. This reduces the response payload, optimizing the performances.
The value of the fields parameter must be a comma-separated list that refers to the name(s) of the fields to be returned. Pay attention to avoid whitespaces before or after each comma.
Example
Request
Response
The following request fetches an SKU code and name, and the formatted amount of the related prices:
curl -X GET \
  https://yourdomain.commercelayer.io/api/skus/xYZkjABcde?include=prices&fields[skus]=code,name&fields[prices]=formatted_amount \
  -H 'Accept: application/vnd.api+json' \
  -H 'Authorization: Bearer your-access-token'
On success, the API responds with a 200 OK status code, returning the requested fieldset: 
{
  "data": {
    "id": "xYZkjABcde",
    "type": "skus",
    "links": {...},
    "attributes": {
      "code": "TSHIRTMM000000FFFFFFXLXX",
      "name": "Black Men T-shirt with White Logo (XL)"
    },
    "relationships": {
      "shipping_category": {
        "links": {...}
      },
      "prices": {
        "links": {...},
        "data": [
          {
            "type": "prices",
            "id": "yzkWXfgHQS"
          }
        ]
      },
      "stock_items": {
        "links": {...}
      },
      "delivery_lead_times": {
        "links": {...}
      }
    },
    "meta": {
      "mode": "test"
    }
  },
  "included": [
    {
      "data": {
        "id": "yzkWXfgHQS",
        "type": "prices",
        "links": {...},
        "attributes": {
          "formatted_amount": "€100,00"
        },
        "relationships": {
          "price_list": {
            "links": {...}
          },
          "sku": {
            "links": {...}
          }
        },
        "meta": {...}
      }
    }
  ]
}
You can request sparse fieldsets also when creating or updating resources.
Including associations
Sorting results
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