---
title: "Get hashed forgotten userIds in compliance with GDPR"
method: GET
path: "/api/users/forgottenUserIds"
tags: ["users"]
---

# Get hashed forgotten userIds in compliance with GDPR

`GET /api/users/forgottenUserIds`

Returns a hash for each <code>userId</code> currently forgotten by your project. Each forgotten <code>userId</code> is lowercased, trimmed, and hashed using SHA-256. This endpoint only works for userID-based and hybrid projects. For email-based projects, it returns an error.<br/><br/>Learn about <a href="https://support.iterable.com/hc/articles/29156459027348">identifying users by <code>userId</code> and <code>email</code></a>.<br/><br/><b>Rate limit</b>: 3 requests/second, per project.

## Response `200`

successful operation

## Other responses

- `400` — Invalid parameters
- `401` — Invalid API key

---

[API](https://skmtc.net/iterable/apis/iterable-api.md) · [All operations](https://skmtc.net/iterable/apis/iterable-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/iterable/iterable-api/revisions/afaab604b58c/schema)