Tyk-sync installation and publishing

Yes it does. Here is a sample.

{
  "type": "oas",
  "files": [
    {
      "file": "./oas.v2.api.json",
      "api_id": "specify_api_definition_id",
      "db_id": "database_base_id(which is usually the `id` field in the api definition)",
      "org_id": "global",
      "oas": {
        "override_target": "https://upstream_path",
        "override_listen_path": "/oasv2/",
        "strip_listen_path": true,
        "version_name": "2.0.0"
      }
    },
    {
      "file": "./oas.v3.api.json",
      "org_id": "global",
      "oas": {
        "override_target": "https://upstream_path",
        "override_listen_path": "/oasv3/",
        "version_name": "Default"
      }
    }
  ],
  "policies": []
}

The version and the org_id are required properties.