Ark
Ark is the email API built for AI-first developers. Native MCP server with 26 tools lets Claude, Cursor, Windsurf, and Claude Code send emails through natural language — no wrapper code needed. AI-readable docs cut token usage by 10x. Integrates seamlessly with your stack: Supabase edge functions, n8n workflows, Vercel serverless, or any automation pipeline. SDKs for Python, Node.js, Ruby, and Go. Full SMTP relay for self-hosted tools like Listmonk, Coolify, and Metabase. 99.9% deliverability. Sub-second delivery. Automatic SPF, DKIM, and DMARC. Real-time webhooks for delivery, opens, clicks, and bounces. Simple pricing: $0.50 per 1,000 emails. No tiers, no enterprise sales calls. Start free with $5 in credits. Built for developers who ship with AI, automate with code, and don't want to think about email infrastructure.
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Ark is an email API designed specifically for AI-first developers. It features a native MCP server with 26 tools that allow applications like Claude, Cursor, Windsurf, and Claude Code to send emails using natural language without the need for wrapper code. Ark also provides AI-readable documentation that reduces token usage by 10 times.
Ark offers seamless integration with various stacks, including Supabase edge functions, n8n workflows, and Vercel serverless. It supports SDKs for Python, Node.js, Ruby, and Go, and provides a full SMTP relay for self-hosted tools like Listmonk, Coolify, and Metabase. Ark boasts a 99.9% deliverability rate, sub-second delivery times, and automatic SPF, DKIM, and DMARC configurations, along with real-time webhooks for tracking delivery, opens, clicks, and bounces.
Ark has a simple pricing model of $0.50 per 1,000 emails sent, with no tiers or enterprise sales calls. Users can start for free with $5 in credits.
Pros of using Ark include its developer-friendly features, seamless integration with various tools, high deliverability rate, and straightforward pricing. However, there are currently no user-generated cons available for Ark.