---
title: "Look up WHOIS / RDAP registration data for a domain"
method: GET
path: "/api/whois"
tags: ["DNS"]
---

# Look up WHOIS / RDAP registration data for a domain

`GET /api/whois`

Returns domain registrar, creation date, expiration date, last updated date, name servers, and registration status. Powered by RDAP fallback to classic WHOIS. Useful for domain due diligence, expiry monitoring, abuse reporting. No auth.

## Query parameters

- `domain` string, required

## Response `200`

Domain registration data

---

[API](https://skmtc.dev/hackmyip/apis/hackmyip-privacy-api.md) · [All operations](https://skmtc.dev/hackmyip/apis/hackmyip-privacy-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/hackmyip/hackmyip-privacy-api/revisions/d68a2457b1cd/schema)