---
title: "The AI classifier atlas: every field name gpt-oss writes while choosing local businesses (from SeerSEO's collection), with CrawlCheck's definition, stage, reviewed namespace and record type, aliases, what a business can do, the CrawlCheck check behind it, merged spellings, and this week's census count. ?key= for one label, ?stage= for one stage. Signed (crawlcheck-ai-classifier-atlas; one label crawlcheck-ai-classifier)."
method: GET
path: "/api/v1/ai-classifiers"
---

# The AI classifier atlas: every field name gpt-oss writes while choosing local businesses (from SeerSEO's collection), with CrawlCheck's definition, stage, reviewed namespace and record type, aliases, what a business can do, the CrawlCheck check behind it, merged spellings, and this week's census count. ?key= for one label, ?stage= for one stage. Signed (crawlcheck-ai-classifier-atlas; one label crawlcheck-ai-classifier).

`GET /api/v1/ai-classifiers`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/v1/ai-classifiers`
- Auth: none required

## Query parameters

- `key` string
- `stage` string

## Response `200`

signed atlas or label

- object, nullable
  - `kind` string, nullable
  - `v` number, nullable
  - `key` string, nullable
  - `name` string, nullable
  - `stage` string, nullable
  - `stage_slug` string, nullable
  - `namespace` string, nullable
  - `record_type` string, nullable
  - `aliases` string[], nullable
  - `definition` unknown
  - `what_a_business_can_do` unknown
  - `crawlcheck_check` object, nullable
    - `id` string, nullable
    - `url` string, nullable
    - `what` string, nullable
  - `url` string, nullable
  - `observed` object, nullable
    - `runs` number, nullable
    - `of_runs` number, nullable
    - `share` number, nullable
    - `in_reasoning_text` number, nullable
    - `week` string, nullable

## Other responses

- `404`: no such label

---

[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)