Company number shape
For onboarding forms that want a shape check before a number is stored. Start with Getting started.
GET /v1/check/company accepts eight digits, or two letters plus six digits (SC123456). It does not call Companies House. It does not return directors, PSCs, or filing history.
Try it
https://fetch.li/v1/check/company?number=12345678
Parameters
| Parameter | Required | Description |
|---|---|---|
number |
Yes | Eight digits, or two letters and six digits |
Demo
GET endpoints work without an API key on the public demo tier (60 calls per hour per IP).
Related: VAT checksum, security, checks overview.
Try it
GET https://fetch.li/v1/check/company
Answer
Response