---
title: "Reverse WHOIS"
method: GET
path: "/v1/reverse-whois/"
tags: ["Lookups"]
---

# Reverse WHOIS

`GET /v1/reverse-whois/`

## Request

- Base URL: `https://api.domaintools.com`
- URL: `https://api.domaintools.com/v1/reverse-whois/`
- Auth: one of:
  - API key in header `X-Api-Key`
  - HTTP basic
  - API key in query parameter `signature`
- TypeScript: <https://skmtc.dev/domaintools/apis/domaintools-lookups-and-monitors-api/docs/v1/reverse-whois/get.ts> (a function with typed inputs; its response is checked against the schema)

Provides a list of domain names with WHOIS records that match specific query terms.

## Query parameters

- `terms` string, required: A non-empty string with a standard length limit.
- `exclude` string: A non-empty string with a standard length limit.
- `scope` 'current' | 'historic'
- `mode` 'quote' | 'purchase'
- `app_partner` string: A short identifier, code, or handle.
- `app_name` string: A short identifier, code, or handle.
- `app_version` string: A short identifier, code, or handle.
- `format` 'html' | 'json' | 'xml': The desired response format.

## Response `200`

OK

- ReverseWhois: Response for the Reverse WHOIS endpoint.
  - `response` object
    - `domain_count` object
      - `current` integer
      - `historic` integer
    - `domains` string[]
    - `report_price` object
      - `current` integer
      - `historic` integer

## Other responses

- `400`: 400: Bad Request. The request was invalid. The response will contain details about the error.
- `401`: 401: Unauthorized. API credentials are required and were not provided, or the provided credentials are not valid.
- `403`: 403: Forbidden. The API credentials provided do not have access to the requested resource or endpoint.
- `404`: 404: Not Found. The requested resource does not exist.
- `500`: 500: Internal Server Error. An unexpected error occurred on the server. If the problem persists, contact DomainTools support.
- `503`: 503: Service Unavailable. The service is temporarily unavailable.

---

[API](https://skmtc.dev/domaintools/apis/domaintools-lookups-and-monitors-api.md) - [All operations](https://skmtc.dev/domaintools/apis/domaintools-lookups-and-monitors-api/llms.txt) - [OpenAPI document](https://skmtc.dev/domaintools/apis/domaintools-lookups-and-monitors-api/revisions/832f423a9729?raw)