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Download a DRS object (file) tutorial

This tutorial will demonstrate how you can download an example file via DRS API. You can download any type of file, public or controlled, as long as: * it resides in your project * you have copy permission * and proper authorization To download a file using DRS API: 1. [Create](doc:create-a-new-project) a new project. 2. For the purpose of this example we will [add a public file](doc:copy-files-to-a-project) by accessing the **Public files** tab and searching for `example_human_reference.fasta`. 3. [Copy the file](doc:copy-files-to-a-project) to your project. In addition: * The DRS ID is equal to the file ID on the Seven Bridges Platform (5dc018a9e4b0bf4ae31e92fc for this one). * The file ID is an integral part of the URL once you access the page with file details). * The DRS endpoint is https://cgc-ga4gh-api.sbgenomics.com/ga4gh/drs/v1/ 4. Obtain the authentication token from: https://cgc.sbgenomics.com/developer#token and include it in the API call. 5. Perform the following API call: [block:code] { "codes": [ { "code": "'$ curl -H \"X-SBG-Auth-Token: <token>\" 'https://cgc-ga4gh-api.sbgenomics.com/ga4gh/drs/v1/objects/5d728923e4b09cae86687385'\n", "language": "json" } ] } [/block] The response will contain the `access_id` parameter, which you will use within the API call for retrieving the URL for downloading the file. 6. Perform the API call for obtaining the URL using the '`access_id`. [block:code] { "codes": [ { "code": "'$ curl -H \"X-SBG-Auth-Token: <token>\" 'https://cgc-ga4gh-api.sbgenomics.com/ga4gh/drs/v1/objects/5d728923e4b09cae86687385/access/aws-us-east-1'\n", "language": "json" } ] } [/block] The response will contain the URL for downloading the file. 7. Download the file.