MailJinny Documentation

Welcome to the official developer documentation for MailJinny. Integrate high-deliverability email newsletters, automated campaigns, domain authentication (DKIM/SPF), and subscriber tracking directly into your stack or AI assistant workflows.

Instant Quickstart

Generate your API key, make your first cURL request, and test connectivity in under 2 minutes.

Model Context Protocol

Connect Claude Code, Cursor, or ChatGPT directly to MailJinny using our native MCP server.

Core Principles

RESTful Design: Predictable resource-oriented URLs, standard HTTP response codes, and clean JSON request/response bodies.
Zero Subscriber Tax: Unlimited contacts across every tier. API operations never hit arbitrary audience penalties.
AI-First Tooling: Fully compatible with LLM function calling, featuring automated llms.txt endpoints and standard MCP integration.

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