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

Recipient email addresses (separated by semicolons, e.g., [email protected];[email protected])

Email subject (cannot be empty)

Email content in text/html format. Required if plain is empty

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

CC addresses (separated by semicolons)

BCC addresses (separated by semicolons)

Default reply addresses (separated by semicolons, max 3). Supports plain email or display-name format (e.g., "ASC <[email protected]>"). Defaults to "from" if empty or null

Label for this send. Automatically created if not existing in the account. Max length is 255 characters

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

SMTP extension. See → X-SMTPAPI for details

Email content in text/plain format. Required if html is empty

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

Whether to return emailId. Returns a list for multiple recipients

Meeting title

Organizer name

Organizer email address

Meeting location

Meeting description

Participant names (separated by semicolons)

Participant email addresses (separated by semicolons)

Required for cancelling/updating calendar. Returned in the first send request

Whether to cancel the calendar

Whether to update the calendar