eFiling API Documentation

Supplement to the live endpoint reference — concepts, statuses, conventions, and guides for integrators.

What this site is

This site is a supplement to the eFiling REST API v3 reference. It explains the context the generated reference cannot: what statuses mean, how resources relate, which conventions apply across the API, and how to handle errors.

For the endpoint reference itself, see:

Endpoint docs: https://rest.efiling.co.uk/docs
Schema: https://rest.efiling.co.uk/schema

Start here

Authentication

How to authenticate requests with your API key. Read →

Data conventions

Dates, money, IDs, and empty values across the API. Read →

Status reference

What each status code means for Orders, Incorporations, Officers, and Services. Read →

Guides

Task-oriented walkthroughs for common integrations. Read →