Eckari
GET api-staging.eckari.com/v1/companies/uk/:companyNumber/directors
Why an agent can trust this route.
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
Observed outcomes
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.
Resource: api-staging.eckari.com/v1/companies/uk/:companyNumber/directors
Network: eip155:84532 · Asset: 0x036CbD53842c5426634e7929541eC2318f3dCF7e · Pay to: 0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA
Payment methods: — · Last validation: 2026-09-14 08:14:39.744+00
{
"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": 1,
"description": "Maximum officers to return per page (1-100). Default 5. Eckari reads up to three register pages of 100 entries to fill this after the role and resigned filters are applied; if the limit is still unmet, page.has_more is true and page.next_offset says where to resume."
},
"offset": {
"type": "integer",
"maximum": 10000,
"minimum": 0,
"description": "Zero-based index into the register's own officer list (not into the filtered result). Pass back page.next_offset from the previous response to page."
},
"include_resigned": {
"type": "boolean",
"description": "Include resigned officers. Default false."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"extra": {
"name": "USDC",
"version": "2"
},
"payTo": "0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA",
"amount": "5000",
"scheme": "exact",
"network": "eip155:84532",
"maxTimeoutSeconds": 60
},
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"payTo": "0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA",
"scheme": "exact",
"network": "eip155:84532",
"amountAtomic": "5000"
}
]
}Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.