Sender email address (e.g., [email protected]). After configuring DMARC, SendCloud uses the current domain as the suffix of "from"

Address list (used when useAddressList=true). Required if useAddressList is true

SMTP extension. See → X-SMTPAPI for details. Required if not using to (address list)

Email subject. Defaults to template subject; required if template subject is empty

Calling name of the email template

Content summary. Replaces existing summary if present; added if not

Sender name (shown as "IFAXIN customer service [email protected]")

CC addresses (separated by semicolons)

BCC addresses (separated by semicolons)

Default reply addresses (separated by semicolons, max 3). Defaults to "from" if empty or null

Label for this send. Automatically created if not existing in the account

Tags for the request (separated by ";", max 5 tags, each up to 50 characters)

Email headers in JSON format (e.g., {"header1": "value1", "header2": "value2"})

Max 128 characters. Duplicate values within 1 hour are only processed once

Whether to return emailId. Returns a list for multiple recipients

Whether to enable notification

Whether to use address list (e.g., to=[email protected];[email protected])