API archive entry · source-reported

hashlookup CIRCL API

![](https://www.circl.lu/assets/images/circl-logo.png) CIRCL hash lookup is a public API to lookup hash values against known database of files. For more details about all the datasets included visit the website of the project. The API is accessible via HTTP ReST API and the API is also described as an OpenAPI. A documentation is available with with sample queries and software using hashlookup. An offline version as Bloom filter is also available. The API can be tested live in the interface below.

Provider / source website

Archive history

This history reflects directory observations and owner review, not a provider release log.

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

Published source events

added

Sep 20, 2026 · Added from an approved API directory.

Where to check product changes

Use the provider documentation and status channels for releases, breaking changes, and outages.

Source reference

APIs.guru OpenAPI Directory

This page separates source-reported facts from questions that need live provider verification.