Send transactional emails from Vercel applications using Resend and React Email templates.
npx skills add https://github.com/AarnavBaddam/skills --skill email-aarnavbaddam
Please help me install this Agent Skill. Skill: email Source: https://github.com/AarnavBaddam/skills/tree/main/email Command: npx skills add https://github.com/AarnavBaddam/skills --skill email-aarnavbaddam
RESEND_API_KEY environment variables and initialize the Resend SDK client. - React Email Templates: Build type-safe email templates with @react-email/components, preview them locally with hot reload, and use Tailwind CSS v4 with dark mode support. - Production Patterns: Batch sending, broadcast API for audiences, idempotency keys to prevent duplicate sends, webhook management for delivery events, and domain verification guidance. - Use Case: You need to send a welcome email when a user signs up in your Next.js app. Use this Skill to create a Server Action that renders a React Email template and sends it through Resend with an idempotency key. ## Quick Start Set up Resend email sending in my Next.js app with a welcome email template using React Email.High-intent search queries and answers about installing and using this skill.
Install the resend SDK, create a client with your RESEND_API_KEY, and call resend.emails.send from an API route or Server Action. You can pass HTML directly or render a React Email template via the react property.
Install Resend from the Vercel Marketplace, which auto-provisions the RESEND_API_KEY environment variable with unified billing. Then install the resend npm package and initialize the client in a shared lib file.
React Email 5.x supports dark mode through a theming system tested across popular email clients. Use the Tailwind component with Tailwind CSS v4 for styling; note that v5 only supports Tailwind v4 and replaced renderAsync with render.
Custom domains must be verified in the Resend dashboard by adding MX, SPF, and DKIM DNS records at your domain provider. Until verification completes, use [email protected] as the from address for testing.
Pass an Idempotency-Key header with a deterministic value derived from your business logic, such as order-confirmation-ord_123. Resend deduplicates requests with the same key within a 24-hour window.
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