curl --request GET \
  --url https://api.meetecho.ai/api/v1/customers/{customerId} \
  --header 'x-api-key: <api-key>'

{
  "id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
  "created_at": "2026-03-18T16:51:03.253Z",
  "project_id": "e56b4c35-882d-4604-9944-9763d314ea59",
  "external_id": "cust_001",
  "first_name": "John",
  "last_name": "Smith",
  "metadata": {
    "location": "Worldwideee"
  },
  "phones": [
    {
      "id": "270f9e3e-37b8-463d-a57f-448990fed179",
      "created_at": "2026-03-18T16:51:03.253Z",
      "customer_id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
      "value": "+971123456789",
      "is_primary": true,
      "status": "active"
    }
  ]
}