curl --request GET \
  --url https://us.api.flexprice.io/v1/customers/{id} \
  --header 'x-api-key: <api-key>'

{
  "address_city": "<string>",
  "address_country": "<string>",
  "address_line1": "<string>",
  "address_line2": "<string>",
  "address_postal_code": "<string>",
  "address_state": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "created_by": "<string>",
  "email": "<string>",
  "environment_id": "<string>",
  "external_id": "<string>",
  "id": "<string>",
  "integrations": [
    {
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": "<string>",
      "entity_id": "<string>",
      "entity_type": "customer",
      "environment_id": "<string>",
      "id": "<string>",
      "provider_entity_id": "<string>",
      "provider_type": "<string>",
      "status": "published",
      "tenant_id": "<string>",
      "updated_at": "2023-11-07T05:31:56Z",
      "updated_by": "<string>"
    }
  ],
  "metadata": {},
  "name": "<string>",
  "status": "published",
  "tenant_id": "<string>",
  "updated_at": "2023-11-07T05:31:56Z",
  "updated_by": "<string>"
}