{cursor}: Get child files of a SHA1 hash

API: circl.lu:hashlookup-circl-api
Endpoint: /children/{sha1}/{count}/{cursor}
Response format: application/json
Auth: none
Method: GET
Last Status: 404
Latency: 116ms

Description

Returns a list of file hashes (children) contained within the specified package or archive. Use this to enumerate files within a container when you only know the package SHA1. Supports pagination via count and cursor parameters.

From spec: Return child files derived from a given SHA1 hash. Used for finding files contained within archives or packages. Pagination is supported via count and cursor parameters.

Usage Tips

- The SHA1 must be a container/package hash, not a file hash - Use cursor from previous response for pagination - Returns empty list if SHA1 has no known children - Common error: using a file hash instead of a container hash

Parameters (3)

count (integer, path, required)

Number of results to return

Constraints: {'minimum': 1, 'maximum': 1000}

cursor (string, path, required)

Pagination cursor (starting value is 0)

sha1 (string, path, required)

Parent SHA1 hash in hexadecimal format

Constraints: {'pattern': '^[a-fA-F0-9]{40}$'}

Examples (1)

Get child files of a container (no children case) probe-gate

Demonstrates querying for child files when the SHA1 is a regular file (not a container)

curl 'https://hashlookup.circl.lu/children/5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8/10/0'
import requests

resp = requests.get("https://hashlookup.circl.lu/children/5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8/10/0")
data = resp.json()
import zingu_apis

api = zingu_apis.api("circl")
result = api.fetch("children/{sha1}/{count}/{cursor}")

for item in result:
    print(item)
const resp = await fetch("https://hashlookup.circl.lu/children/5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8/10/0");
const data = await resp.json();

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-04-16 01:39:28.711036 404 116ms
2026-04-15 03:21:28.773080 404 126ms
2026-04-14 03:05:44.558063 404 118ms
2026-04-12 13:21:34.552150 404 270ms
2026-04-10 02:06:20.315721 404 260ms
2026-04-09 00:19:02.296918 404 174ms
2026-04-08 07:31:42.663836 404 117ms
2026-04-07 01:04:30.716847 404 124ms