# uk-company

> UK company register (official Companies House API): search by name, or lookup by company number with profile (status, type, incorporation/dissolution, SIC codes, registered office, previous names), officer counts (active/resigned) and filing status (accounts and confirmation statement due/overdue), insolvency, liquidation and charges flags.

- URL: https://forge-tools.dentreprise.workers.dev/api/uk-company (GET or POST)
- Price: 0.002 USDC on Base (2000 atomic USDC)
- MCP tool: uk_company
- Docs: https://agent-hub.dentreprise.workers.dev/tools/uk-company/

## Parameters

- `company_number` (string): 8-char company number
- `name` (string): Name search (alternative)
- `max` (string): 1-20

## Unpaid example

```bash
curl -sS -D - "https://forge-tools.dentreprise.workers.dev/api/uk-company?company_number=00445790"
```

## Example 402 challenge

```json
{
  "x402Version": 2,
  "error": "Payment required",
  "resource": {
    "url": "https://forge-tools.dentreprise.workers.dev/api/uk-company",
    "description": "UK company register (official Companies House API): search by name, or lookup by company number with profile (status, type, incorporation/dissolution, SIC codes, registered office, previous names), officer counts (active/resigned) and filing status (accounts and confirmation statement due/overdue), insolvency, liquidation and charges flags.",
    "mimeType": "application/json"
  },
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "amount": "2000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x7B8bf45ac6AcbA6D4CFB626b57D3f5fF3C9C89F7",
      "maxTimeoutSeconds": 120,
      "extra": {
        "name": "USD Coin",
        "version": "2"
      }
    }
  ]
}
```

## Example response

```json
{
  "found": true,
  "name": "TESCO PLC",
  "status": "active",
  "officers": {
    "active": 12
  },
  "filing": {
    "accounts_overdue": false
  }
}
```

## Free demo / sample

This tool accepts `?demo=1` on the wave-1 worker (labelled sample, HTTP 200, not live data). The first 3 successful real calls per IP per UTC day are also free.

```bash
curl -sS "https://forge-tools.dentreprise.workers.dev/api/uk-company?company_number=00445790&demo=1"
```

```json
{
  "demo": true,
  "demo_label": "DEMO / SAMPLE — not live data. This is a labelled example response and was not charged.",
  "charged": false,
  "tool": "/api/uk-company",
  "docs": "https://agent-hub.dentreprise.workers.dev/tools/uk-company/",
  "how_to_get_live_data": "Call the same URL without demo=1. The first 3 successful real calls per IP per UTC day are free; after that attach an x402 v2 PAYMENT-SIGNATURE (USDC on Base).",
  "sample": {
    "found": true,
    "name": "TESCO PLC",
    "status": "active",
    "officers": {
      "active": 12
    },
    "filing": {
      "accounts_overdue": false
    }
  }
}
```

## Clients

- JS (x402 v2): `@x402/fetch` + `@x402/evm` (`wrapFetchWithPaymentFromConfig`, `ExactEvmScheme`). The older package `x402-fetch` is deprecated v1.
- Python: PyPI package `x402` (`x402HttpxClient` or `x402_requests`, `register_exact_evm_client`, `EthAccountSigner`).
- MCP: stdio `node src/server.mjs` in [forge-agent-mcp](https://github.com/forge-agent-hub/forge-agent-mcp); hosted Streamable HTTP at https://x402-gateway.forge-x402.workers.dev/mcp (original gateway tools).
- LangChain: wrap those clients with `DynamicStructuredTool` (`@langchain/core`) or `@tool` (`langchain_core`).
- Copy-paste snippets: https://agent-hub.dentreprise.workers.dev/tools/uk-company/ and https://agent-hub.dentreprise.workers.dev/quickstart/