Two ways in — a step-by-step guide for using EMS from the dashboard, and a developer reference for the API and the Resend drop-in.
Send from your own domain, host inboxes at you@yourdomain.com, verify lists, watch deliverability, and manage suppressions — all from the dashboard. No code required.
Open the user guide
Quickstart with curl, the Resend drop-in (RESEND_BASE_URL), the verify API, signed webhooks, idempotency, and the full API reference.
Open the developer docs
Already using a transactional client? It's a one-line base-URL change — point it at https://api.electronicmailservices.com and see the migration guide.