Basic Send

Send regular emails with custom content (supports attachments, CC/BCC, address lists, etc.)

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Body Params
string
required

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

string

Recipient email addresses (separated by semicolons, e.g., [email protected];[email protected]). Required if not using xsmtpapi or address list

string
required

Email subject (cannot be empty)

string

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

string

Content summary. Replaces existing summary if present; added if not. Only valid with html

string

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

string

CC addresses (separated by semicolons)

string

BCC addresses (separated by semicolons)

string

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

string
length ≤ 255

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

string

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

string

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

attachments
array of files

Email attachments. Must use multipart/form-data when submitting. The size of attachments is 10MB by default. Contact customer service for special needs.

attachments
string

SMTP extension. See → X-SMTPAPI for details

string

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

string

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

string
enum
Defaults to true

Whether to return emailId. Returns a list for multiple recipients

Allowed:
string
enum
Defaults to false

Whether to enable notification

Allowed:
string
enum
Defaults to false

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

Allowed:
Response

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Response
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application/json