Overview Agent safety: Always confirm recipients, subject, and content with the user before sending. Email is irreversible once delivered. Never send email autonomously without explicit user approval — especially for batch sends to multiple recipients. All email sending goes through . This endpoint returns (queued) — NOT (delivered). Delivery confirmation comes asynchronously via Event Webhook. See . --- Basic Send Python Node.js --- Personalized Batch Send with Dynamic Templates Dynamic templates use Handlebars syntax. Template IDs start with . Create templates in SendGrid Console Email API…