lettr.com

Email API for Artisans

README.md

Lettr — Email API for Developers

Send transactional emails with a clean REST API, drag-and-drop template editor, and best-in-class deliverability.

Official SDKs

Language	Package
PHP	`lettr-php`
Laravel	`lettr-laravel`
Node.js	`lettr-node`
Python	`lettr-python`
Go	`lettr-go`
Rust	`lettr-rust`
Java	`lettr-java`

Integrations

WordPress Plugin — Drop-in replacement for wp_mail
n8n Node — Send emails in your n8n workflows
MCP Server — Use Lettr from Claude, Cursor, and other AI agents
Agent Skills — Migrate providers and send emails from AI coding agents
Cursor Plugin — Lettr integration for Cursor IDE

Links

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lettr-laravel lettr-laravel Public

Official Laravel integration for the Lettr email API

PHP 4
lettr-php lettr-php Public

Official PHP SDK for the Lettr email API

PHP 2
lettr-node lettr-node Public

Official Node.js SDK and CLI for the Lettr email API

TypeScript 2
lettr-go lettr-go Public

Official Go SDK for the Lettr email API

Go 2
docs docs Public

Official Lettr documentation — API reference, quickstart guides, and learning resources

MDX
lettr-skills lettr-skills Public

Agent skills for Lettr — migrate providers, send emails, manage domains and templates from AI coding agents

People

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