Resend
Service domainEMAIL
Arcade Optimized
Arcade.dev LLM tools for sending and managing transactional email via Resend
Author:Arcade
Version:
1.0.2Auth:No authentication required
4tools
4require secrets
Resend is a transactional email platform; this toolkit lets agents send, schedule, reschedule, cancel, and inspect emails via the Resend API.
Capabilities
- Sending & scheduling — send emails immediately or queue them for future delivery using a
scheduled_attimestamp; returns a Resend-assignedemail_id - Lifecycle management — cancel or reschedule queued (not-yet-sent) emails by ID
- Status inspection — retrieve a single email record by its Resend ID, including current delivery status
Secrets
RESEND_API_KEY — A Resend API key used to authenticate all requests. Obtain it from the Resend dashboard under API Keys → Create API Key. Grant the key at minimum Sending access; for cancel/reschedule/get operations, Full access is required. Free-tier accounts can generate keys immediately after verifying a sending domain.
Store the key in Arcade as a secret. See the Arcade secrets guide for setup instructions, or manage secrets directly at https://api.arcade.dev/dashboard/auth/secrets.
Available tools(4)
4 of 4 tools
Operations
Behavior
| Tool name | Description | Secrets | |
|---|---|---|---|
Cancel a scheduled, not-yet-sent email. | 1 | ||
Retrieve a single email by its Resend ID, including current delivery status. | 1 | ||
Reschedule a not-yet-sent email by updating its scheduled_at timestamp. | 1 | ||
Send a transactional email through Resend.
Returns the Resend-assigned email_id. When scheduled_at is provided, the email is
queued for later delivery instead of sent immediately. | 1 |
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