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vellum-ai
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resend-setup

Send emails via the Resend API using a user-supplied account.

1.0k|158|Updated Feb 7, 2026
Search Tags:#api#email#credentials#webhook#domain#resend#send
One-click install
npx skills add https://github.com/vellum-ai/vellum-assistant --skill resend-setup
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: resend-setup
Source: https://github.com/vellum-ai/vellum-assistant/tree/main/skills/resend-setup
Command: npx skills add https://github.com/vellum-ai/vellum-assistant --skill resend-setup

SYSTEM DOCUMENTATION & REQUIREMENTS

## What problem does it solve? Streamline the setup and use of an external email provider by allowing you to connect your own Resend account and securely send messages without exposing API keys in chat.

## Core Features & Use Cases

  • Securely store and manage your Resend API key using the credential_store tool.
  • Automatically detect your sending domain and set a safe default sender address.
  • Send emails via the Resend API with required fields (from, to, subject) and optional text/html bodies; supports CC, BCC, and reply-to.
  • Optional webhook setup for receiving emails through Resend.
  • Use cases include transactional emails (alerts, confirmations) and simple newsletters sent from your domain.

### Quick Start Provide your Resend API key when prompted and let the assistant configure sending on your behalf.

Frequently Asked Questions about resend-setup

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I send transactional emails using the Resend API without exposing my API key?▼

To send transactional emails via the Resend API securely, this setup stores your API key in a credential store and routes requests through authorized endpoints, preventing key exposure in chat.

How do I configure domain verification for sending emails through Resend?▼

Domain verification for Resend is handled automatically during setup by discovering your sending domain and applying a safe default sender address based on your account.

Can I set up webhooks to receive incoming emails with my Resend account?▼

Yes, you can configure optional webhook integration to receive inbound emails through your Resend account, enabling automated processing of replies and incoming messages.

Do I need my own Resend account to send marketing newsletters from my domain?▼

Yes, this setup requires a user-supplied Resend account to send marketing newsletters, ensuring messages are sent securely from your own verified domain.

What email fields are supported when sending messages through the Resend API?▼

Sending messages through the Resend API supports required fields like from, to, and subject, alongside optional text and HTML bodies, plus CC, BCC, and reply-to addresses.

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