# Mailtrap Node.js SDK for Transactional and Sandbox Email

> An ASE skill built on the official Mailtrap Node.js SDK for sending transactional email and working with Mailtrap sandbox or production flows. It is well suited to agent workflows that need API-driven email delivery, test inbox validation, and structured messaging automation.

- Skill: `agentskillexchange/mailtrap-node-js-sdk-for-transactional-and-sandbox-email` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/mailtrap-node-js-sdk-for-transactional-and-sandbox-email`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/mailtrap-node-js-sdk-for-transactional-and-sandbox-email/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/mailtrap-node-js-sdk-for-transactional-and-sandbox-email

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# Mailtrap Node.js SDK for Transactional and Sandbox Email

An ASE skill built on the official Mailtrap Node.js SDK for sending transactional email and working with Mailtrap sandbox or production flows. It is well suited to agent workflows that need API-driven email delivery, test inbox validation, and structured messaging automation.

## Prerequisites

Node.js or TypeScript runtime with the mailtrap package

## Installation

Use the upstream install or setup path that matches your environment:
- npm install mailtrap
- yarn add mailtrap
- npm install nodemailer
- yarn add nodemailer

Requirements and caveats from upstream:
- # Mailtrap Node.js client - Official
- To get the most out of this official Mailtrap.io Node.js SDK:
- subject: "Hello from Mailtrap Node.js",

Basic usage or getting-started notes:
- [Create a Mailtrap account](https://mailtrap.io/signup)
- [Verify your domain](https://mailtrap.io/sending/domains)
- You can install the package via [npm](https://www.npmjs.com/) or [yarn](https://yarnpkg.com/):

- Source: https://github.com/mailtrap/mailtrap-nodejs
- Extracted from upstream docs: https://raw.githubusercontent.com/mailtrap/mailtrap-nodejs/HEAD/README.md

## Documentation

- https://docs.mailtrap.io/guides/sdk/nodejs

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/mailtrap-nodejs-sdk-transactional-and-sandbox-email/)