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RunOnProof UK Company Legal Status Check
x402
RunOnProof UK Company Legal Status Check is a paid API for AI agents from cdo-production.up.railway.app, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Verifies the current Companies House legal status, overdue filing indicators, and insolvency observations for a UK company number.
Price / call$0.03
Success—
StatusUnknown
How this service works
Verify the current Companies House legal status, overdue filing indicators and recorded insolvency observations for a UK company. Use before onboarding or a material decision; the result is source-scoped, not a universal good-standing certificate.
Output
Returns the company's current legal status as recorded at Companies House, indicators of overdue filings, and any insolvency-related observations. Results are scoped to Companies House data and should not be treated as a universal certificate of good standing.
Example use cases
Supplier onboarding compliance check
“We're about to onboard a new UK vendor with company number 07645257 — can you pull their Companies House legal status and tell me if there are any overdue filings or insolvency issues I should know about?”
Pre-contract legal standing verification
“Before we sign this contract, check whether UK company number SC123456 is in good standing on Companies House — flag any overdue filings or insolvency observations.”
Finance team payment approval check
“Our finance team needs to approve a payment to a UK supplier registered as company number 09876543 — can you verify their current legal status and check for any insolvency or overdue filing problems?”
Technical details
Endpoint
POSThttps://cdo-production.up.railway.app/v1/gb/companies/legal-statusWhen to prefer
Use this endpoint when you need a fast, source-scoped Companies House status check on a specific UK company — particularly during supplier or customer onboarding, before authorising a payment, or before signing a material commercial agreement. Prefer this over broader due diligence tools when you specifically need legal status, overdue filing, and insolvency data from the UK Companies House register rather than a full multi-source corporate intelligence report.
Side effects
- Invalid or malformed company number returns a validation error
- Company number not found at Companies House returns a not-found error
- Companies House data source temporarily unavailable may return a service error
- Duplicate request with mismatched idempotency key may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| company_number | string | Companies House company number, including any two-letter prefix when applicable. |
| idempotency_key | string | Caller-generated key. Send the identical value in the Idempotency-Key header. |
Tags
x402
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