$ curl -H "Accept: application/json" -s \
    'http://127.0.0.1:4433/self-service/verification/flows?id=73fcb010-da5c-4eb9-b329-3ed677a6897b' | jq -r '.methods.link.config'

{
  "action": "http://127.0.0.1:4433/self-service/verification/methods/link?flow=73fcb010-da5c-4eb9-b329-3ed677a6897b",
  "method": "POST",
  "fields": [
    {
      "name": "csrf_token",
      "type": "hidden",
      "required": true,
      "value": "xU9NtXUeGKKmLS95hXejOTo947GsndDzStKyxUUzjX4slitKpNSPro0SJtY1M7yTZXWL/g4LK3Fdrur1a2H8ag=="
    },
    {
      "name": "email",
      "type": "email",
      "required": true,
      "value": "",
      "messages": [
        {
          "id": 4000002,
          "text": "Property email is missing.",
          "type": "error",
          "context": {
            "property": "email"
          }
        }
      ]
    }
  ]
}
