---
title: "If the requested service is unknown, the call will fail with status
NOT_FOUND."
method: GET
path: "/health"
tags: ["CelestiaService"]
---

# If the requested service is unknown, the call will fail with status
NOT_FOUND.

`GET /health`

**Deprecation Notice:** Per instance endpoints will be deprecated soon in favor of PRO API endpoints. Please see the [PRO API reference page](https://docs.blockscout.com/devs/pro-api-responses-and-routes) for information.

## Query parameters

- `service` string

## Response `200`

A successful response.

- V1HealthCheckResponse
  - `status` 'UNKNOWN' | 'SERVING' | 'NOT_SERVING' | 'SERVICE_UNKNOWN' — - SERVICE_UNKNOWN: Used only by the Watch method.

## Other responses

- `default` — An unexpected error response.

---

[API](https://skmtc.net/blockscout/apis/blockscout-pro-api.md) · [All operations](https://skmtc.net/blockscout/apis/blockscout-pro-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/blockscout/blockscout-pro-api/revisions/59ac5466233b/schema)