resend

Send transactional emails and process inbound webhooks via Resend API.

Updated Jun 27, 2026

Search Tags:#automation #api #email #webhooks #deliverability #transactional

Ready to run

npx skills add https://github.com/NicholasSutin/parser --skill resend-nicholassutin

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: resend
Source: https://github.com/NicholasSutin/parser/tree/main/.claude/skills/resend
Command: npx skills add https://github.com/NicholasSutin/parser --skill resend-nicholassutin

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires resend, and includes references (resource) components.

What problem does it solve?

This skill solves the complexity of integrating reliable email delivery, handling inbound email webhooks, and managing audience data, preventing common production issues like duplicate sends and unverified webhooks.

Core Features & Use Cases

Transactional Email: Send single or batch emails with robust idempotency support to prevent duplicates.
Inbound Processing: Receive and parse inbound emails via webhooks, including attachment handling.
Audience Management: Manage contacts, segments, and topics for targeted communication.
Use Case: Automatically forward support emails received at a custom domain to your team's inbox while preserving attachments and verifying the sender's authenticity.

Quick Start

Use the resend skill to send a transactional email to a user with the provided API key and idempotency key.

Frequently Asked Questions about resend

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

FAQPage Schema

How do I send transactional email with batch processing and idempotency?▼

To send transactional email, this skill integrates the Resend API to execute single or batch sends while utilizing idempotency keys to prevent duplicate message deliveries. It requires valid API credentials to authenticate the requests.

How does inbound webhook processing handle email attachments and sender verification?▼

Inbound webhook processing parses received emails and extracts attachments automatically. It enforces webhook signature verification protocols to confirm the sender's authenticity before routing the parsed content to your specified endpoints.

Can I manage audience contacts and segments for targeted email communication?▼

You can manage audience data by creating and updating contacts, segments, and topics within the Resend infrastructure. This allows you to organize recipients and execute targeted communication workflows based on specific audience attributes.

Do I need to configure domain verification to automate email routing?▼

Yes, domain verification is required to establish professional transactional email infrastructure and enable automated email routing. Configuring your custom domain ensures reliable deliverability and authenticates outbound message sources.

What is the best way to prevent duplicate transactional emails in automated workflows?▼

The best way to prevent duplicate transactional emails is to use the robust idempotency support built into this Resend integration. Providing a unique idempotency key with each API request ensures the server rejects redundant send operations.