curl --request POST \
  --url https://api.zivio.net/api/v3/orgs \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --header 'zivio-tenant-id: <api-key>' \
  --data '
{
  "org": {
    "name": "My New Organistation",
    "is_external_client": true,
    "url": "https://www.example.com"
  }
}
'

{
  "id": "23",
  "name": "Demonstration Inc.",
  "is_external_client": "false",
  "url": "www.example.com",
  "billing_email": "[email protected]",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-12-25",
  "address": {
    "id": "326",
    "line1": "326",
    "line2": "Westbourne Grove",
    "city": "Brighton",
    "region": "East Sussex",
    "postcode": "BN99 9XX",
    "country_code": "GB",
    "formatted": "326, Westbourne Grove, Brighton, East Sussex, BN99 9XX, United Kingdom"
  },
  "invoice_address": {
    "id": "326",
    "line1": "326",
    "line2": "Westbourne Grove",
    "city": "Brighton",
    "region": "East Sussex",
    "postcode": "BN99 9XX",
    "country_code": "GB",
    "formatted": "326, Westbourne Grove, Brighton, East Sussex, BN99 9XX, United Kingdom"
  },
  "custom_fields": {
    "key": "value"
  },
  "settings": {
    "default_fee_methodology": "markup",
    "cis_contractor": "true",
    "payment_terms_in_days": "30"
  }
}