---
title: "Add Suspicious User"
method: POST
path: "/user"
---

# Add Suspicious User

`POST /user`

This endpoint adds a user to the list of suspicious users.

## Request body

- User
  - `userId` string — The user ID of the suspicious user.

## Response `201`

User successfully added.

## Other responses

- `400` — Bad request. The user data is missing or invalid.
- `500` — Internal server error.

---

[API](https://skmtc.net/safetorun/apis/promptdefender-pii-and-prompt-injection-verification-service.md) · [All operations](https://skmtc.net/safetorun/apis/promptdefender-pii-and-prompt-injection-verification-service/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/safetorun/promptdefender-pii-and-prompt-injection-verification-service/revisions/d7e556f931cd/schema)