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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Government
  3. /UK Companies House
Government
UK Companies House logo

UK Companies House

UK Companies House Data from the UK government.

UK Companies House API is a free Government API that requires OAuth authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Category
Government
Visit documentation ↗developer.company-information.service.gov.uk
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UK Companies House API alternatives

Travel Risk logo

Travel Risk

Government travel advisories, disaster and conflict alerts and country risk scores

apiKeyHTTPSCORS
U

UK Legislation Changes

Point-in-time amendment history for UK law

No authHTTPSCORS
Tollmint logo

Tollmint

Advertising, subscription, AI-disclosure and accessibility rules across the US, EU and UK

No authHTTPSCORS
UK Public Tenders by Trade logo

UK Public Tenders by Trade

Live open UK public sector tenders by trade from Find a Tender and Contracts Finder (OGL v3.0)

No authHTTPSCORS
SukuuData logo

SukuuData

Ghana's schools, 2026 SHS placement register and CSSPS choice validation

apiKeyHTTPSCORS
U

USAspending.gov

US federal spending data

No authHTTPSCORS ?

UK Companies House API FAQ

Is the UK Companies House API free?

Yes. The UK Companies House API is listed in the Government category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the UK Companies House API require an API key?

Yes. The UK Companies House API uses OAuth authentication, so you need to register for credentials before making requests.

Can I call the UK Companies House API from the browser?

CORS support for the UK Companies House API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the UK Companies House API support HTTPS?

Yes. The UK Companies House API is served over HTTPS, so it's safe to use in production.