---
title: "Changes to k-anonymity lookup in Have I Been Pwned's Pwned Passwords corpus."
method: GET
path: "/pwned-passwords/range/{prefix}"
---

# Changes to k-anonymity lookup in Have I Been Pwned's Pwned Passwords corpus.

`GET /pwned-passwords/range/{prefix}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 30 revisions.

- **2026-10-05** `9dfa82b5838d`: 1 info
- **2026-10-01** `a4984fbff2c5`: 1 info

## Changes

- **2026-10-05** `9dfa82b5838d`: 1 info
  - added the new optional `query` request parameter `pt`
- **2026-10-01** `a4984fbff2c5`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/ismalicious/apis/ismalicious-threat-intelligence-api/docs/pwned-passwords/range/:prefix/get.md) - [API](https://skmtc.dev/ismalicious/apis/ismalicious-threat-intelligence-api.md) - [Page](https://skmtc.dev/ismalicious/apis/ismalicious-threat-intelligence-api/changes/pwned-passwords/range/:prefix/get)