# Eckari UK Company Directors Lookup

> Eckari UK Company Directors Lookup is a paid API for AI agents from api.eckari.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).

Retrieves the list of directors (and optionally secretaries or LLP members) for a UK company from the Companies House officers register, including appointment/resignation dates, nationality, occupation, and address.

## Facts

- Endpoint: GET https://api.eckari.com/v1/companies/uk/:company_number/directors?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/eckari-uk-company-directors-lookup-921e26f0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_w5zdyy4zqyEftn_js9T8H

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability eckari-uk-company-directors-lookup-921e26f0
```

Example prompt: Can you pull up the current directors for UK company number 09876543 from the Companies House register, including anyone who has since resigned?

## When to prefer this

Use this endpoint when you need structured, up-to-date director and officer data for a specific UK company from the authoritative Companies House register. Prefer this over general web search when you need machine-readable fields like appointment/resignation dates, nationality, occupation, and birth month/year, or when you need to filter by role (director, secretary, LLP member) or include resigned officers programmatically.

## Known failure modes

- Invalid or malformed company number (must be 1-8 alphanumeric characters) returns INVALID_INPUT error before any charge
- Company number not found on Companies House register returns a not-found error
- Companies House upstream unavailability may cause transient errors
- Requesting more than 100 results per page is rejected as invalid
- Whitespace-only or over-long company number values are rejected immediately

## How this service works

Directors of a UK company from the Companies House officers register — the register of directors, secretaries and LLP members — including corporate and nominee directors, with appointment and resignation dates, nationality, country of residence, occupation, month/year of birth and correspondence address. role and include_resigned widen it. Use when: Identify who is legally responsible for a UK company - the directors on the Companies House officers register.

## Output

A paginated list of officers matching the role filter, each including full name, officer role (e.g. director, corporate-director, nominee-director), appointment date, resignation date (if applicable), nationality, country of residence, occupation, month/year of birth, and correspondence address. Pagination metadata indicates whether more records exist.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "company_number"
     ],
     "properties": {
      "company_number": {
       "type": "string",
       "pattern": "^\\s*(?:[0-9]{1,8}|[A-Za-z][0-9]{7}|[A-Za-z]{2}[0-9]{6}|[A-Za-z]{2}[0-9]{5}[A-Za-z]|[A-Za-z]{2}[0-9]{4}[A-Za-z]{2})\\s*$",
       "maxLength": 10,
       "minLength": 1,
       "description": "Companies House company number, also called the company registration number (CRN). Accepted shapes are the register's own — 1-8 digits (zero-padded to 8, e.g. 445790 → 00445790), one letter + 7 digits (R0000001), two letters + 6 digits (SC002180, NI000001, OC123456, OE000001), or the registered-society suffix forms (two letters + 5 digits + 1 letter; two letters + 4 digits + 2 letters). Case-insensitive; surrounding whitespace is ignored (which is why maxLength is 10); internal spaces and punctuation are not accepted. Any other value (for example PROBE) is rejected as INVALID_INPUT before payment and before any upstream call."
      }
     },
     "additionalProperties": false
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "role": {
       "enum": [
        "director",
        "secretary",
        "llp_member",
        "all"
       ],
       "type": "string",
       "description": "Which appointments to return. Default `director` — the capability's name is its contract. The register encodes the office in officer_role, so the filter is a substring test on it: `director` matches director, corporate-director, nominee-director and corporate-nominee-director; `secretary` matches secretary, corporate-secretary, nominee-secretary and corporate-nominee-secretary; `llp_member` matches llp-member, llp-designated-member and their corporate- forms; `all` returns every appointment the register lists, including managing officers, general partners, judicial factors and the EEIG/SE organ roles. Filtering is applied after the register read, so read page.has_more rather than items.length."
      },
      "limit": {
       "type": "integer",
       "maximum": 100,
       "minimum
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/eckari-uk-company-directors-lookup-921e26f0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.eckari.com](https://www.zero.xyz/host/api.eckari.com/llms.txt)