---
title: "Health Check"
method: GET
path: "/v0/health"
tags: ["channel3-api"]
---

# Health Check

`GET /v0/health`

Health check endpoint.

Returns unhealthy (503) if the event loop lag exceeds 1 second,
indicating the server is too busy to handle requests promptly.

This endpoint also records availability metrics for status page integration.

## Response `200`

Successful Response

- object

## Other responses

- `422` — Validation Error
- `500` — Internal Server Error

## Changes

- **2026-05-21** `48ea59b2e819` — 2 info
  - added `subschema #1, subschema #2` to the `detail` response property `anyOf` list for the response status `422`
  - added `subschema #1, subschema #2` to the `detail` response property `anyOf` list for the response status `500`

[Change history](https://skmtc.dev/channel3-ai/apis/fastapi/changes/v0/health/get.md)

---

[API](https://skmtc.dev/channel3-ai/apis/fastapi.md) · [All operations](https://skmtc.dev/channel3-ai/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/channel3-ai/fastapi/revisions/981d371bd83e/schema)