Subscribe Webhook

curl --request POST \
  --url https://api.hifello.com/public/v1/webhooks \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "url": "https://example.com/webhook",
  "eventType": "FormSubmission"
}'

{
  "subscriptionId": "<unique-subscription-id>",
  "url": "https://example.com/webhook",
  "eventType": "FormSubmission",
  "status": "Active",
  "createdAt": "2021-01-01T00:00:00.000Z",
  "updatedAt": "2021-02-01T00:00:00.000Z"
}