curl --request GET \
  --url https://app.herondata.io/api/end_users/{end_user_id_or_heron_id}/integration_links \
  --header 'x-api-key: <api-key>'

{
  "links": [
    {
      "item_id": "M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op",
      "created": "2020-01-01T00:00:00Z",
      "last_successful_sync": "2020-01-01T00:00:00Z",
      "last_updated": "2020-01-01T00:00:00Z",
      "status": "active",
      "status_message": "[ITEM_LOGIN_REQUIRED] the login details of this item have changed (credentials, MFA, or required user action) and a user login is required to update this information. use Link's update mode to restore the item to a good state",
      "type": "plaid_assets_report"
    }
  ]
}