What is the UK Companies House API base URL?

The UK Companies House API base URL is https://developer.company-information.service.gov.uk

UK Companies House API

by UK Companies House Free tier

UK Companies House Data from the UK government

developer

Quick Reference

Base URL https://developer.company-information.service.gov.uk Auth type OAuth 2.0 Auth header Authorization: Bearer YOUR_TOKEN Rate limit 600 req/5min per API key Pricing Enterprise / contact sales Free quota None Documentation https://developer.company-information.service.gov.uk/ Endpoint status Live — HTTP 200 — endpoint is accessible1.96s (checked Mar 29, 2026) Builder score D 32% builder-friendly

Pricing

Latency

Depth

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free with Companies House API key. UK company registry data; no paid tiers.

Key Endpoints

Method	Path	Description
GET	`/`	See documentation for endpoint reference

Sample Request

curl 'https://developer.company-information.service.gov.uk'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official UK Companies House documentation.