[AttachmentWebservice](🔗): Query, create or update attachments
[BlacklistWebservice](🔗) : Query, update or remove blocklist entries as well as determine whether a given email address is blocked
[ClosedLoopWebservice](🔗): Manage closed-loop processes
[CouponBlockWebservice](🔗): Create coupon blocks, query names and assignments and delete blocks
[CouponCodeWebservice](🔗): Create, query and delete coupon codes
[FolderWebservice](🔗): Retrieve information about folders, create folders, move or delete folders
[MailIdWebservice](🔗): Provides access to detailed information about a mail ID
[MailingReportingWebservice](🔗): Query statistics for a mailing
[MailingWebservice](🔗): Query, create, update, remove or start mailings as well as send emails on demand
[OptinProcessWebservice](🔗): Provides methods to access the opt-in processes
[RecipientFilterWebservice](🔗): Query, create or update recipient filters
[RecipientListWebservice](🔗): Query or update recipient lists
[RecipientWebservice](🔗): Query, add, update and remove recipients
[ResponseWebservice](🔗): Query email responses on a mailing or recipient basis, reset the bounce counter
[SessionWebservice](🔗): Session handling (login, logout etc.) for all web services
[Soap11Webservice](🔗): Basic interface for all web services
[SplitMailingWebservice](🔗): Query, create, edit and delete split mailings
[UnsubscribeWebservice](🔗): Query, update or delete unsubscribes