---
title: "What each signal checks"
method: GET
path: "/public/signals/definitions"
tags: ["Signals"]
---

# What each signal checks

`GET /public/signals/definitions`

## Request

- Base URL: `https://api.companystack.co.uk`
- URL: `https://api.companystack.co.uk/public/signals/definitions`
- Auth: none required

Every signal's logic, sources with their licences and attribution, known false positives, and the SIC-to-register map used by LICENCE_TO_TRADE. No key needed.

## Response `200`

Definitions

---

[API](https://skmtc.dev/companystack/apis/companystack-api.md) · [All operations](https://skmtc.dev/companystack/apis/companystack-api/llms.txt) · [OpenAPI document](https://skmtc.dev/companystack/apis/companystack-api/revisions/8f3234237d2d?raw)