Email payload reference

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Reference for the EmailPayload message used by Notify when sending email.

EmailPayload

subject (map<string, string>): subject line keyed by locale, e.g. {"en": "Hello!", "es": "¡Hola!"}.
body (string): HTML body of the email. For per-locale HTML bodies, use email_template with an Email Template configured in the Control Panel.
attachments (array of Attachment): file attachments.
list_unsubscribe (string): custom URL for the List-Unsubscribe header.
from (Address): override the default From configured in the app’s email settings.
reply_to (Address): override the default Reply-To configured in the app’s email settings.
email_template (string): code of an Email Template to use instead of an inline body.

Attachment

{
  "name": "invoice.pdf",
  "content": "<base64-encoded bytes>"
}

Field	Type	Description
`name`	string	File name as the recipient sees it.
`content`	string	Base64-encoded file content.

Address

{
  "name":  "Pushwoosh",
  "email": "support@example.com"
}

Both fields are optional. If name is omitted, the recipient sees the raw email address.

Example: Send an email to a segment

curl -X POST https://api.pushwoosh.com/messaging/v2/notify \
  -H "Authorization: Token YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "segment": {
      "application": "XXXXX-XXXXX",
      "platforms": ["EMAIL"],
      "code": "newsletter_subscribers",
      "email_payload": {
        "subject": { "en": "Our May updates", "es": "Novedades de mayo" },
        "email_template": "may-digest-2026",
        "from":     { "name": "Pushwoosh Team", "email": "news@example.com" },
        "reply_to": { "email": "replies@example.com" }
      },
      "schedule": { "at": "2026-05-01T09:00:00Z" },
      "message_type": "MESSAGE_TYPE_MARKETING"
    }
  }'

Example: Transactional email with attachment

curl -X POST https://api.pushwoosh.com/messaging/v2/notify \
  -H "Authorization: Token YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "transactional": {
      "application": "XXXXX-XXXXX",
      "platforms": ["EMAIL"],
      "users": { "list": ["customer-42"] },
      "email_payload": {
        "subject": { "en": "Your invoice" },
        "body":    "<p>Please find your invoice attached.</p>",
        "attachments": [
          { "name": "invoice.pdf", "content": "JVBERi0xLjQKJe..." }
        ]
      },
      "schedule": { "at": "2026-05-01T12:00:00Z" },
      "message_type": "MESSAGE_TYPE_TRANSACTIONAL"
    }
  }'