design-audit

Transactional and bulk email delivery via Resend API with single or batch endpoints. Choose single endpoint for individual emails with attachments or scheduling; use batch endpoint for 2–100 distinct emails in one request to reduce API calls Implement idempotency keys ( <event-type>/<entity-id> format) to prevent duplicate sends on retries, with 24-hour expiration Retry only 429 (rate limit) and 500 (server error) responses using exponential backoff; fix 400/422 validation errors without...

Use when creating, updating, publishing, deleting, or listing Resend email templates via the API, or when defining template variables, understanding draft vs…

Audit the Resend dashboard for design system alignment. Routes here when a user says "audit design", "design alignment", "dashboard design audit", asks about…

Use when creating, updating, editing, or deleting marketing/public pages in the Resend codebase. Covers page structure, component reuse rules, and the…

Use when needing Resend design resources. Routes to brand guidelines, visual identity, UI components, design tokens, and marketing page patterns.

Use when building or modifying UI in the Resend codebase. Provides component APIs, variant options, design tokens, composition patterns for all src/ui/…

Build and send HTML emails using React components with client-safe styling and preview testing. Component-based email development with TypeScript support, featuring core layout components (Html, Body, Container, Section, Row, Column) and content elements (Heading, Text, Button, Image, CodeBlock) Tailwind CSS styling via the Tailwind component with pixel-based preset; table-based layouts required for email client compatibility Local dev server preview at localhost:3000 with live editing;...

Use when migrating from SendGrid, Mailgun, or Postmark to Resend - detects @sendgrid/mail, sgMail, SENDGRID_API_KEY, mailgun, postmark imports and routes to…