curl --request POST \
  --url https://api.hubapi.com/communication-preferences/2026-03/links/generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "subscriberIdString": "<string>",
  "language": "<string>",
  "subscriptionId": 123
}
'

{
  "managePreferencesUrl": "<string>",
  "subscriberIdString": "<string>",
  "unsubscribeAllUrl": "<string>",
  "unsubscribeSingleUrl": "<string>"
}