---
title: "Check if a domain is available or registered via RDAP (no key needed)"
method: POST
path: "/v1/tools/domain-check"
tags: ["Utility"]
---

# Check if a domain is available or registered via RDAP (no key needed)

`POST /v1/tools/domain-check`

## Request

- Base URL: `https://archtools.dev`
- URL: `https://archtools.dev/v1/tools/domain-check`
- Auth: API key in header `x-api-key`

## Request body

- object
  - `domain` string, required: Domain name (e.g. example.com)

## Response `200`

Registration status, expiry, nameservers

---

[API](https://skmtc.dev/archtools/apis/arch-tools-api.md) · [All operations](https://skmtc.dev/archtools/apis/arch-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/archtools/apis/arch-tools-api/revisions/ed6c1f974033?raw)