{
  "companies": [
    {
      "externalId": "company-123",
      "name": "Acme Corporation",
      "domain": "acme.com",
      "industry": "Technology",
      "employeeCount": 500,
      "linkedinUrl": "https://linkedin.com/company/acme"
    }
  ]
}

{
  "results": [
    {
      "externalId": "company-123",
      "crmId": "account_4k8j2m"
    }
  ]
}