---
title: "Health check (GET)"
method: GET
path: "/healthz"
tags: ["system"]
---

# Health check (GET)

`GET /healthz`

Verify if the authentication service is operational using GET method

## Response `200`

Service is healthy and operational

- 'OK'

## Other responses

- `default` — An error occurred while processing the request

## Changes

- **2026-06-24** `0fc5fd589dbf` — 1 warning
  - added the new `otp-too-many-attempts` enum value to the `error` response property for the response status `default`
- **2026-04-20** `b39086c84b43` — 1 warning, 1 info
  - added the new `user-already-exists` enum value to the `error` response property for the response status `default`
  - removed the `email-already-in-use` enum value from the `error` response property for the response status `default`
- **2025-11-11** `484d9f1a422a` — 1 warning
  - added the new `provider-account-already-linked` enum value to the `error` response property for the response status `default`
- **2025-10-09** `2bb5c4e40463` — 1 warning, 3 info
  - added the new `email-already-in-use` enum value to the `error` response property for the response status `default`
  - removed the `otp-too-many-attempts` enum value from the `error` response property for the response status `default`
  - removed the `provider-account-already-linked` enum value from the `error` response property for the response status `default`
  - removed the `user-already-exists` enum value from the `error` response property for the response status `default`

[Change history](https://skmtc.dev/nhost/apis/nhost-authentication-api/changes/healthz/get.md)

---

[API](https://skmtc.dev/nhost/apis/nhost-authentication-api.md) · [All operations](https://skmtc.dev/nhost/apis/nhost-authentication-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nhost/nhost-authentication-api/revisions/a5c0d88b55c4/schema)