Integrations

Works with everything
you already use.

8 language SDKs, a CLI, an MCP server, and SMTP relay for any platform that speaks email. One API key, one quota, every direction.

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Official SDKs in 8 languages

One spec, every language. HTTP methods are code-generated; crypto and webhook verification are hand-written per platform.

Node.js Python Ruby Go PHP Java C# Rust
View all SDK docs

MCP-native for AI agents

The hosted MCP server at mcp.mailkite.dev lets any MCP-compatible client read, send, and act on email — no custom integration needed.

Claude Code

Native plugin — read, send, act on email

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Cursor

MCP server for AI-assisted email workflows

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Windsurf

MCP integration for agent-driven email

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Zed

MCP support for email automation

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Cline

Open-source coding agent with MCP tools

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Custom agents

Hosted MCP at mcp.mailkite.dev

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View agent docs

Framework integrations

Drop MailKite into your existing stack. Most integrations are a single config change — point SMTP at smtp.mailkite.dev and you're done.

Laravel
SMTP

.env mail config

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Rails
SMTP

Action Mailer config

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Django
SMTP

EMAIL_BACKEND setting

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Express
SDK

npm i mailkite

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Next.js
SDK

npm i mailkite

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WordPress
SMTP

WP Mail SMTP plugin

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Shopify
SMTP

Order notifications

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Drupal
SMTP

SMTP Authentication module

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View all framework integrations

Platform integrations

Connect the platforms you already use. Each links to a setup guide covering sending through MailKite, and where applicable, receiving inbound.

WordPress
CMS
SMTP
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Shopify
E-commerce
SMTP
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Zapier
Automation
SMTP Webhook
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HubSpot
CRM
SMTP API
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Salesforce
CRM
SMTP API
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Zendesk
Support
SMTP
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Laravel
Framework
SMTP
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n8n
Automation
SMTP Webhook
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Slack
Productivity
Webhook
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Discord
Productivity
Webhook
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Notion
Productivity
API
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Linear
Productivity
API
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Stripe
Payments
API
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WooCommerce
E-commerce
SMTP
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Drupal
CMS
SMTP
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Webflow
CMS
SMTP
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Ghost
CMS
SMTP
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GitLab
DevOps
SMTP
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Intercom
Support
API
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Calendly
Scheduling
API
View integration
View all platform integrations

One SMTP endpoint, everything

Every integration uses the same SMTP connection. Your password is your API key — no separate SMTP credential to create.

Host smtp.mailkite.dev Port 587 (STARTTLS) · 465 (TLS) Username mailkite Password Your API key (mk_live_…)

Works with your stack

Point a domain, drop in a webhook URL, and send your first email in minutes. Unlimited domains, no credit card.

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