--- title: "Extract data from a dataset in CSV" slug: "extract-data-from-a-dataset-in-csv" updated: 2025-10-24T14:27:09Z published: 2025-10-27T16:36:42Z canonical: "docs.zetaly.io/extract-data-from-a-dataset-in-csv" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt > Use this file to discover all available pages before exploring further. # Extract data from a dataset in CSV ### API Endpoint Description This endpoint retrieves related data for a specific dataset identified by its unique dataset ID. It allows users to access data associated with the dataset and supports response formatting in CSV. #### Request - **Method**: GET - **URL**: `https://{{base_url}}/zde/api/v2/datasets/{dataset_id}/related/{related_id}/extract` #### Query Parameters - `start_date` (string): A range filter for the period date of the data. The format is `$gte:YYYY-MM-DDTHH:mm:ss.sssZ~$lte:YYYY-MM-DDTHH:mm:ss.sssZ`. - `sort` (string): Specifies the sorting order of the results. For example, `start_date:desc` sorts by start date in descending order. - `separator` (string): Defines the character used to separate values in the CSV response. The default is `;`. - `withHeaders` (boolean): Indicates whether to include headers in the CSV response. Set to `true` to include headers. - `headers` (string): A comma-separated list of fields to include as headers in the CSV response. For example: `storage_ranking_max,name,start_date_max,start_date,dataset_id,rule_id,granularity,storage_allocation_avg`. #### Response - **Status Code**: 200 OK - **Content-Type**: text/csv - **Response Structure**: The response will be in CSV format, with the first row containing the specified headers, and subsequent rows containing the corresponding data values. This endpoint is useful for obtaining detailed insights into the related data of a specified dataset, facilitating data analysis and reporting in a structured CSV format.