---
title: "Number watch (?domain=): every phone number a directory listing or an AI answer gives for the business that is not one of its own, attributed: invented (dummy pattern), old_number (its site published it before), sibling (another business on the licence), another_business (YellowPages lists it under a different name), listed_as_this, unknown. Read daily for businesses on an active licence. Public: counts and classes; the licence holder gets the numbers, where each is printed and whose it is. Signed (crawlcheck-business-number-watch)."
method: GET
path: "/api/v1/business/number-watch"
---

# Number watch (?domain=): every phone number a directory listing or an AI answer gives for the business that is not one of its own, attributed: invented (dummy pattern), old_number (its site published it before), sibling (another business on the licence), another_business (YellowPages lists it under a different name), listed_as_this, unknown. Read daily for businesses on an active licence. Public: counts and classes; the licence holder gets the numbers, where each is printed and whose it is. Signed (crawlcheck-business-number-watch).

`GET /api/v1/business/number-watch`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/v1/business/number-watch`
- Auth: none required

## Query parameters

- `domain` string, required

## Response `200`

signed reading

- object, nullable
  - `kind` string, nullable
  - `v` number, nullable
  - `domain` string, nullable
  - `read_at` string, nullable
  - `foreign_numbers` number, nullable
  - `by_class` object, nullable
    - `another_business` number, nullable
  - `numbers` object[], nullable
    - `class` string, nullable
    - `severity` string, nullable
    - `printed_by` object[], nullable
      - `kind` string, nullable
      - `source` string, nullable
  - `signature` object, nullable
    - `alg` string, nullable

## Other responses

- `400`: bad domain
- `404`: not read yet

---

[API](https://skmtc.dev/crawlcheck/apis/crawlcheck-api.md) · [All operations](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/revisions/57acbd6d4489?raw)