Send transactional email (without template)

HTTP method: POST

https://api.sender.net/v2/message/send

Send a fully custom transactional email without using a predefined template. You can define all content manually, including subject, HTML, text, variables, headers, and attachments.

from object required

Sender object containing 'email' and 'name'. Both fields are required.

to object required

Recipient object containing 'email' (required) and optional 'name'. This replaces 'recipient_email', which is still supported for backward compatibility.

recipient_email string

Deprecated. Use the 'to' object instead. Retained for backward compatibility.

subject string required

Subject line of the email.

text string

Plain-text version of the email body.

html string

HTML version of the email body.

headers object

Optional headers to include (e.g., custom X- headers or charset).

variables object

A key-value list of dynamic variables to personalize the message content.

attachments object

A list of files to attach, where keys are filenames and values are publicly accessible URLs.

Code snippets

Response example

{
  "success": true,
  "message": "Email sent",
  "emailId": "ep2W4y-7pn8o21-YPpLY9PR5Jy9-x7GYQ"
}