Resend Skill

Product summary

Resend is a REST API for sending, receiving, and managing emails at scale. Use it to send transactional emails (order confirmations, password resets), marketing campaigns (broadcasts, newsletters), and event-driven automations. The API base URL is https://api.resend.com. Authenticate with Bearer token in the Authorization header. Official SDKs exist for Node.js, PHP, Python, Ruby, Go, Java, Rust, and .NET. The Resend CLI (resend command) covers the full API surface and works for local development and CI/CD. Key files: API keys stored in environment variables (e.g., RESEND_API_KEY=re_xxx), domain DNS records for verification, templates stored in Resend dashboard or via API. Primary docs: https://resend.com/docs

When to use

Reach for this skill when:

• Building transactional email features (order confirmations, password resets, account notifications)
• Creating marketing campaigns or broadcasts to segments of contacts
• Setting up event-driven email automations (welcome series, drip campaigns, abandoned cart)
• Managing email templates with variables for reuse
• Configuring domain verification and email deliverability
• Handling inbound emails or email receiving
• Tracking email events (opens, clicks, bounces, deliveries) via webhooks
• Building contact management systems with segments and topics
• Debugging email delivery issues or checking email status
• Integrating email into a multi-language or multi-framework application