resend-email
Resend Email Integration
Resend is a transactional email service. It supports both SMTP and a REST API. Use SMTP for simple sends and the HTTP API for scheduled emails, cancellation, and listing.
API keys
Resend has scoped API keys. This matters:
| Key type | Can send | Can schedule | Can cancel | Can list |
|---|---|---|---|---|
Send-only (re_...) |
Yes | Yes (via HTTP API) | No | No |
Full access (re_...) |
Yes | Yes | Yes | Yes |
Best practice: use a send-only key for SMTP/sending and a separate full-access key for admin operations (cancel, list). Never use the full-access key for routine sends.
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