# Resend CLI

> Send emails, manage domains, API keys, contacts, and broadcasts. Use when an agent needs to send transactional or marketing emails, manage email contacts, or configure email domains.

- Skill: `composiohq/resend-cli` (Agent Skill)
- Install (CLI): `npx skillmds@latest add composiohq/resend-cli`
- Raw SKILL.md: https://api.skillmd.com/api/skills/composiohq/resend-cli/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Marketing & Growth
- Author: Composio HQ (https://skillmd.com/u/composiohq)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/composiohq/resend-cli

---


# Resend CLI

Send emails, manage domains, API keys, contacts, and broadcasts. 53 commands across 13 resources.

- **Repo**: https://github.com/resend/resend-cli
- **Author**: [@zenorocha](https://github.com/zenorocha)

## Installation

```bash
npm i -g resend
resend login
```

## Key Commands

```bash
resend emails send --from "you@example.com" --to "them@example.com" --subject "Hello" --text "Hi there"
resend domains list
resend contacts list --audience-id <id>
resend api-keys list
resend broadcasts list
```

## Agent-Friendly Features

- Auto-detects TTY — outputs JSON when piped
- Natural language scheduling
- Idempotency keys for safe retries
- `resend doctor` for agent environment detection
- 53 commands across 13 resources
- Meaningful exit codes