Eckari

Return the current registered office address of a UK company from the Companies House register as structured fields (premises, address lines, locality, region, postcode, country) plus a single-line rendering for correspondence, address matching and verification. This is the statutory registered address, not a trading or branch address. Use when: What is the registered office address of company 00445790?

Resource: api-staging.eckari.com/v1/companies/uk/:companyNumber/registered-office

Network: eip155:84532 · Asset: 0x036CbD53842c5426634e7929541eC2318f3dCF7e · Pay to: 0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA

Payment methods: — · Last validation: 2026-09-14 08:08:46.97+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": {}
      }
    },
    "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": "3000",
        "scheme": "exact",
        "network": "eip155:84532",
        "maxTimeoutSeconds": 60
      },
      "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
      "payTo": "0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA",
      "scheme": "exact",
      "network": "eip155:84532",
      "amountAtomic": "3000"
    }
  ]
}

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.