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This page contains general information, please refer to the specific API methods to better understand what is available in MailUp APIs (i.e. SOAP, REST, HTTP GET/POST...)

Subscription and Unsubscription

  • Subscription and unsubscription always refer to a specific MailUp list and a specified MailUp channel (email, SMS, Fax)
  • A recipient may belong to zero, one or more groups of a list, please take care that the 
  • For each MailUp channel, the recipient's statuses "subscribed", "unsubscribed" and "pending" (when Confirmed Opt-In, COI, applies) are mutually exclusive on a specified list
  • Email address and mobile number are primary keys in MailUp: there cannot be two recipients with the same email address or with the same mobile phone number

Personal data fields

  • Personal data fields are shared through all the channels of a console account
  • If you have the "Marketing+" option 26 personal data fields are available by default when a console account is created and you can increase them up to 39 through your admin console account (not through API)
  • If you do not have the "Marketing+" option only 11 fields are fully accessible
  • You can rename personal data fields
  • Data Type for personal data fields is nvarchar(200)

Automatic unsubscription

  • Recipients can be automatically unsubscribed from the email channel of all lists of a console account in case of hard bounces
  • Recipients have automatically unsubscribed from the email channel specified lists of a console account in case of feedback loop (i.e. reported as spam)

Importing recipients into MailUp

  • You can use API to force opt-in for unsubscribed recipients, but you shall do that only when the recipient wants to be subscribed again. In case of abuse, your console account may be blocked.
  • You cannot use API to force opt-in in case of unsubscription due to bounces
  • You can use API to import recipients into a specified list/group. Synchronous import has to be used to manage a single subscription and, in some cases, it can be applied even to a very small set of recipients. With more than ten recipients asynchronous import is recommended.
  • Asynchronous import is always sequential, if you call API several times in a very short time frame the import tasks are processed in a "FIFO" manner
  • You can use API to perform a bulk import of recipients. Refer to the specific API methods to know the maximum size of an import block that can be specified for a single call  
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