Send Email - Triggered Send Definition
POST https://{{et_subdomain}}.rest.marketingcloudapis.com/messaging/v1/messageDefinitionSends/key:<tsd_external_key>/send
Sends transactional email using Marketing Cloud's triggered send functionality. In order to use this service, configure a triggered send definition in Email Studio.
Request Body
{"From"=>{"Address"=>"me@salesforce.com", "Name"=>"Learning Account"}, "To"=>{"Address"=>"help@example.com", "SubscriberKey"=>"12356", "ContactAttributes"=>{"SubscriberAttributes"=>{"First_Name"=>"Aaron", "Cart_Total"=>"27.84", "Order_Number"=>123456, "Purchase_Date"=>"2019-07-11T18:32:15Z", "Sub_Total"=>"30.01", "Tax"=>"2.17"}}}}