Bulk Update

curl --request PATCH \
  --url https://hub.suprsend.com/v1/bulk/subscriber/preference/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "distinct_ids": [
    "id1",
    "id2"
  ],
  "channel_preferences": [
    {
      "channel": "email",
      "is_restricted": false
    }
  ],
  "categories": [
    {
      "category": "_category_slug_",
      "preference": "opt_in",
      "opt_out_channels": []
    }
  ]
}'

{
  "success": true
}