github.com/prebid/prebid-server@v0.275.0/endpoints/openrtb2/sample-requests/invalid-whole/imp-no-ext.json (about)

     1  {
     2    "description": "Bid request's sole imp element has no ext field",
     3    "mockBidRequest": {
     4      "id": "req-id",
     5      "imp": [
     6        {
     7          "id": "imp-id",
     8          "video": {
     9            "mimes": [
    10              "video/mp4"
    11              ]
    12          }
    13        }
    14      ],
    15      "app": {
    16        "id": "app_001"
    17      }
    18    },
    19    "expectedReturnCode": 400,
    20    "expectedErrorMessage": "Invalid request: request.imp[0].ext is required\n"
    21  }