Companies Stream Resources
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Companies House official documentation
The primary technical reference for the Companies House Streaming API, including authentication and endpoint details.
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Access historical events
Retrieve and replay past events from the streams using companies.stream historical API endpoints.
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Event statistics
View daily event volume per stream since 2023
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About companies.stream
Information about the Streaming API, companies.stream and its founder, Brian Evans.
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Sample events and schemas
Examples of data payloads and JSON schemas for each event type.
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View companies.stream source code
See inside a working example of a live application with a continuous connection to the Companies House Streaming API. Written in JavaScript.