# Datasets
These pages outline the datasets available for download at data.everef.net (opens new window).
See Downloading Datasets for instructions on how to download the datasets in full or in part.
# JSON Index Format
Each directory on data.everef.net (opens new window) includes an index.json file that provides structured
metadata about the directory's contents.
This enables programmatic discovery and navigation of the available datasets.
# Index Structure
Each index.json file contains a JSON object with the following schema:
{
"path": "directory/path",
"files": [
{
"name": "filename.ext",
"url": "https://data.everef.net/directory/path/filename.ext",
"size": 1024,
"last_modified": "2026-06-08T05:50:42Z",
"etag": "abc123def456...",
"type": "optional-archive-type",
"file_time": "2026-06-01T15:15:07Z"
}
],
"directories": [
{
"name": "subdirectory",
"index_url": "https://data.everef.net/directory/path/subdirectory/index.json"
}
]
}
Root object:
path: The relative path to this directory within data.everef.netfiles: Array of files in this directorydirectories: Array of subdirectories
File entry:
name: Filenameurl: URL to the filesize: File size in byteslast_modified: ISO 8601 timestamp of the file's last modificationetag: HTTP ETag describing the filetype: Optional archive type detected from the filename (e.g.,market-orders,market-history)file_time: Optional date parsed from the archive filename
Directory entry:
name: Directory nameindex_url: URL to the subdirectory's index file