curl --request PUT \
  --url https://api.sonderplan.com/v2/contact \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "Sam Smith",
  "type": "person",
  "linked_organization_id": 137834,
  "client": true,
  "email_1": "[email protected]",
  "email_2": "[email protected]",
  "email_3": "",
  "phone_1": "+1-541-754-3010",
  "phone_2": "",
  "phone_3": "",
  "address_line_1": "Unit 1/43",
  "address_line_2": "123 Example Street",
  "address_line_3": "",
  "address_city": "Surry Hills",
  "address_state": "NSW",
  "address_postcode": "2010",
  "address_country": "Australia",
  "website": "www.example.com",
  "icon": {},
  "custom_fields": [
    {
      "id": 7823,
      "name": "Type",
      "value": "Video Editing",
      "value_id": 8973,
      "update_key": "2_1_7823"
    }
  ]
}'

{
  "success": {
    "id": 1
  }
}