A CLI tool for managing templates, sending emails, and fetching servers on Postmark.
Nifty for integrating with a CI/CD pipeline.

Usage

After installation, type postmark in your command line to see a list of available commands. Check out the wiki for instructions on how to send emails, manage templates, or list servers.

$ postmark

  Commands:
    postmark email <command> [options]      Send an email
    postmark servers <command> [options]    Manage your servers
    postmark templates <command> [options]  Pull and push your templates

  Options:
    --version  Show version number
    --help     Show help

Installation

• Install Node.js 22.23.4+, 24.22.1+ or 26.12.1+ (official builds; Node 20, 23 and 25 never got the fix). Earlier releases ship a Brotli decoder affected by CVE-2026-111497 (Node.js security release), and the postmark 4.x client the CLI depends on requests and decodes Brotli responses. Builds linked against the system Brotli library (node_shared_brotli, for example Homebrew's) also need that library updated.
• $ npm i postmark-cli -g
• $ postmark 🌈

Issues & Comments

Feel free to contact us if you encounter any issues with the library. Please leave all comments, bugs, requests and issues on the Issues page.

License

Postmark CLI library is licensed under the MIT license. Please refer to the LICENSE for more information.