Resend

1. Introduction

   What Resend is and the basics of sending email through its API.

2. API keys

   Creating API keys and choosing their permission scope.

3. Domains

   Verifying a sending domain with SPF and DKIM DNS records.

4. DMARC

   DMARC policies and how they affect domain authentication.

5. Sending emails

   Sending an email, its fields and its delivery statuses.

6. Batch sending

   Sending multiple emails in one batch request.

7. Scheduling and attachments

   Scheduling emails for later delivery.

8. Idempotency keys

   Idempotency keys that make retries safe.

9. Webhooks

   Webhook events for delivered, bounced, opened and clicked emails.

10. Bounces and suppressions

    Bounce types and suppression lists.

11. Deliverability insights

    Deliverability insights and recommendations for inbox placement.

12. Receiving emails

    Receiving inbound email and delivering it to a webhook.

13. Broadcasts and contacts

    Broadcasts, contacts and segments for marketing sends.

14. Templates

    Reusable email templates with variables.

15. Rate limits

    API rate limits and how to handle 429 responses.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.