gistfile1.txt

POST https://marketplace.visualstudio.com/_apis/public/gallery/extensionquery HTTP/1.1
content-type: application/json
accept: application/json;api-version=3.0-preview.1
accept-encoding: gzip

{
  filters: [
    {
      criteria: [
        {
          filterType: 8, 
          value: "Microsoft.VisualStudio.Code"
        },
        {
          filterType: 12,
          value: "public"
        }
      ],
      pageNumber: 1,
      pageSize: 9999999,
      sortBy: 0,
      sortOrder: 0
    }
  ],
  assetTypes: [],
  flags: 0
}