Sendgrid Create A New Transactional Template Version

Set to 1 to make this version the active version of the template. Set to 0 or omit to create an inactive version. Only one version can be active at a time.

The editor type used to create the template version. 'code' for Code Editor, 'design' for Design Editor. Defaults to 'code' if not specified.

Subject line of the email. Supports Handlebars substitution syntax for dynamic content (e.g., 'Hello {{first_name}}').

For dynamic templates only. A JSON string containing mock data for template preview and test sends. Example: '{"first_name": "John", "order_id": "12345"}'.

The ID of the transactional template to add a version to. Format: 'd-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' for dynamic templates or UUID for legacy templates.

The HTML content of the email template. Supports Handlebars substitution syntax for dynamic content (e.g., '{{first_name}}'). Maximum of 1048576 bytes (1MB) allowed.

Text/plain content of the transactional template version. If not provided and generate_plain_content is true, it will be automatically generated from html_content. Maximum of 1048576 bytes allowed.

If true, plain_content is always generated from html_content. If false, plain_content is not altered.