---
title: "Start entity-member OIDC sign-in"
method: GET
path: "/v3/auth/entity/login"
tags: ["Auth"]
---

# Start entity-member OIDC sign-in

`GET /v3/auth/entity/login`

Redirects the browser to the configured OIDC provider and sets a signed state cookie.

## Other responses

- `302` — Redirect to the configured OIDC authorization URL.
- `503` — Entity authentication is not configured.

---

[API](https://skmtc.dev/euler/apis/euler-data-api-v3.md) · [All operations](https://skmtc.dev/euler/apis/euler-data-api-v3/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/euler/euler-data-api-v3/revisions/9e69e7cdb054/schema)