Snapshots API
Try the public JSON endpoints and inspect live responses.
Response contract
The latest endpoint retains its existing short-lived archive URL and commands. Schema-v2 validated bootstrap artifacts additionally expose catalog verification, immutable metadata, and signed checksum and metadata sibling URLs. Refresh the URL before each long or resumed download.
{
"success": true,
"data": {
"chain_id": "cosmoshub-4",
"height": 123456,
"size": 123456789,
"url": "https://snaps.bryanlabs.net/secure/...",
"expires_at": "2026-06-19T18:00:00.000Z",
"database_backend": "pebbledb",
"is_catalog_verified": true,
"checksum_url": "https://snaps.bryanlabs.net/...sha256?...",
"metadata_url": "https://snaps.bryanlabs.net/...metadata.json?...",
"bootstrap_metadata": { "schema_version": 2, "artifact_kind": "bootstrap" },
"latest": {
"file_name": "cosmoshub-4-123456-YYYYMMDD-HHMMSS.tar.zst",
"commands": {
"curl": "curl -L -C - -O ...",
"aria2c": "aria2c -c -x 8 -s 8 -k 1M ..."
}
},
"previous": []
}
}