---
title: "attach external principal to user"
method: POST
path: "/auth/users/{userId}/external/principals"
tags: ["auth", "external", "experimental"]
---

# attach external principal to user

`POST /auth/users/{userId}/external/principals`

## Request body

- ExternalPrincipalCreation
  - `settings` object

## Response `201`

external principal attached successfully

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `404` — Resource Not Found
- `409` — Resource Conflicts With Target
- `429` — too many requests
- `default` — Internal Server Error

---

[API](https://skmtc.net/treeverse/apis/lakefs-api.md) · [All operations](https://skmtc.net/treeverse/apis/lakefs-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/treeverse/lakefs-api/revisions/4617f80bee61/schema)