github.com/prebid/prebid-server@v0.275.0/endpoints/openrtb2/sample-requests/invalid-whole/empty-object.json (about)

     1  {
     2    "message": "Empty bid request, expect error",
     3    "mockBidRequest": {},
     4    "expectedReturnCode": 400,
     5    "expectedErrorMessage": "Invalid request: request missing required field: \"id\"\n"
     6  }