Starting September 8, 2025, every new line item will need to declare whether or not they will serve Eurpoean Union (EU) political ads. Display & Video 360 API and SDF uploads that don't provide declarations will fail. See our deprecations page for more details on how to update your integration to make this declaration.
Required. The ID of the inventory source group to fetch.
Query parameters
Parameters
Union parameter accessor. Required. Identifies which DV360 entity the request is being made within. The GET request will only return the inventory source group entity if it is accessible to the DV360 entity identified within the accessor. accessor can be only one of the following:
[null,null,["Last updated 2025-04-02 UTC."],[[["\u003cp\u003eThis operation retrieves a specific inventory source group using its ID.\u003c/p\u003e\n"],["\u003cp\u003eIt requires specifying an \u003ccode\u003eaccessor\u003c/code\u003e in the query parameters, which can be either a \u003ccode\u003epartnerId\u003c/code\u003e or an \u003ccode\u003eadvertiserId\u003c/code\u003e, to define the entity requesting access.\u003c/p\u003e\n"],["\u003cp\u003eOnly inventory source groups accessible to the specified \u003ccode\u003eaccessor\u003c/code\u003e will be returned.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization with the \u003ccode\u003ehttps://www.googleapis.com/auth/display-video\u003c/code\u003e scope is necessary.\u003c/p\u003e\n"],["\u003cp\u003eThe response provides the details of the inventory source group if the request is successful.\u003c/p\u003e\n"]]],[],null,["# Method: inventorySourceGroups.get\n\n| Display \\& Video 360 API is deprecated and will sunset on **October 7, 2025** . Migrate to [Display \\& Video 360 API v4](/display-video/api/reference/rest/v4) before sunset to avoid an interruption in service.\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nGets an inventory source group.\n\n### HTTP request\n\n`GET https://displayvideo.googleapis.com/v3/inventorySourceGroups/{inventorySourceGroupId}`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|--------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|\n| `inventorySourceGroupId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` Required. The ID of the inventory source group to fetch. |\n\n### Query parameters\n\n| Parameters ||\n|----------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Union parameter `accessor`. Required. Identifies which DV360 entity the request is being made within. The GET request will only return the inventory source group entity if it is accessible to the DV360 entity identified within the `accessor`. `accessor` can be only one of the following: ||\n| `partnerId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` The ID of the partner that has access to the inventory source group. A partner cannot access an advertiser-owned inventory source group. |\n| `advertiserId` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` The ID of the advertiser that has access to the inventory source group. If an inventory source group is partner-owned, only advertisers to which the group is explicitly shared can access the group. |\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nIf successful, the response body contains an instance of [InventorySourceGroup](/display-video/api/reference/rest/v3/inventorySourceGroups#InventorySourceGroup).\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/display-video`\n\nFor more information, see the [OAuth 2.0 Overview](/identity/protocols/OAuth2)."]]