curl --request POST \
  --url https://api.dataspike.io/api/v3/profiles/{profile_id}/link \
  --header 'Content-Type: application/json' \
  --header 'ds-api-token: <api-key>' \
  --data '
{
  "expiration_in_minutes": 240,
  "manual_field_settings": {
    "enabled": true,
    "description": "<string>",
    "full_name": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "email": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "phone": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "country": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "dob": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "gender": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "citizenship": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "address": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "certificate_of_incorporation": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "ownership_document": {
      "enabled": true,
      "caption": "<string>",
      "order": 123,
      "optional": true
    },
    "custom_fields": [
      {
        "label": "<string>",
        "caption": "<string>",
        "order": 123,
        "options": {
          "choices": [
            "<string>"
          ],
          "type": "<string>"
        }
      }
    ]
  },
  "finish_screen_settings": {
    "enabled": true,
    "settings": {
      "title": "<string>",
      "main_text": "<string>",
      "redirect_warning": "<string>",
      "cta": "<string>",
      "redirect_link": "<string>"
    }
  }
}
'

{
  "link_id": "LI2V0BVmLfGFQZbZQ3B7CeH3"
}