---
title: "Classify a business's industry"
method: GET
path: "/api/v1/industry-classifier"
---

# Classify a business's industry

`GET /api/v1/industry-classifier`

## Request

- Base URL: `https://meetkatalis.com`
- URL: `https://meetkatalis.com/api/v1/industry-classifier`
- Auth: API key in header `x-api-key`

Returns official SIC codes, a plain-English industry label, what they do and a confidence rating.

## Query parameters

- `q` string, required

## Response `200`

Industry, SIC codes, description, confidence

## Other responses

- `400`: Missing or invalid q
- `401`: Missing or wrong x-api-key
- `429`: Monthly quota reached OR burst brake (60/min)
- `503`: Temporarily unavailable — retry

---

[API](https://skmtc.dev/meetkatalis/apis/katalis-uk-business-intelligence-apis.md) · [All operations](https://skmtc.dev/meetkatalis/apis/katalis-uk-business-intelligence-apis/llms.txt) · [OpenAPI document](https://skmtc.dev/meetkatalis/apis/katalis-uk-business-intelligence-apis/revisions/214b13088f95?raw)