---
title: "Returns whether FQDN is a valid domain."
method: GET
path: "/api/tools/isvalid/{fqdn}"
tags: ["tools"]
---

# Returns whether FQDN is a valid domain.

`GET /api/tools/isvalid/{fqdn}`

Returns whether FQDN is a valid domain.

## Path parameters

- `fqdn` string, required

## Response `200`

Success

- ResultBool
  - `result` boolean

## Other responses

- `502` — Bad Gateway. Upstream failed.
- `504` — Gateway Timeout. Upstream response takes too long.

## Changes

- **2023-09-29** `22350bbc13c7` — 1 info
  - api operation id `GetToolsIsValid` was added
- **2023-08-18** `5a80b6f71e32` — 1 info
  - api operation id `GetToolsIsValid` removed and replaced with ``

[Change history](https://skmtc.dev/elmasy-com/apis/columbus-api/changes/api/tools/isvalid/:fqdn/get.md)

---

[API](https://skmtc.dev/elmasy-com/apis/columbus-api.md) · [All operations](https://skmtc.dev/elmasy-com/apis/columbus-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/elmasy-com/columbus-api/revisions/afcfa121a5e2/schema)