Cortexa research tool·genomics·fourdn

FourDN Get Download URL

Get download URL and DRS (Data Repository Service) API endpoint for 4DN files. Prerequisites: (1) Requires file accession - obtain by using FourDN_search_data with item_type='File'. (2) Requires free 4DN account - create at data.4dnucleome.org, then generate access key in your profile settings. Returns download URL and instructions for command-line access with curl. Supports GA4GH DRS standard for interoperability. Use for: programmatic file download, batch processing, workflow integration.

Livelast probed 2026-04-30 23:07Z· 129msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 129ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "file_accession": {
      "description": "4DN file accession (e.g., '4DNFIIA7E3HL'). Obtain by searching with FourDN_search_data (item_type='File').",
      "type": "string"
    },
    "operation": {
      "default": "download_file_url",
      "enum": [
        "download_file_url"
      ],
      "type": "string"
    }
  },
  "required": [
    "operation",
    "file_accession"
  ],
  "type": "object"
}

Examples (1)

Default FourDN Get Download URL call

public-safeinput

{
  "file_accession": "P38398",
  "operation": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_FourDN_get_download_url
Tool name: FourDN_get_download_url
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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