The email API
AI actually understands
Tell your AI to add email verification to your signup flow. It reads our docs, writes correct integration code, and it just works. No hallucinations. No context-switching. No debugging.
No credit card required. Add email to your app in minutes.
99.9%
Deliverability
<1s
Delivery time
26
MCP tools
$0.50
Per 1K emails
How it actually works
You don't ask your AI to "send an email to [email protected]." You tell it to add email to your feature.
Reading arkhq.io/docs/quickstart.md...
AI-friendly Markdown • 10x fewer tokens • Zero hallucinations
Done. Users will receive a verification email when they sign up.
You stayed in flow. No context-switching. No debugging.
Works with your AI coding tools
Why AI writes better Ark code
Built for AI coding assistants to read, understand, and implement correctly.
AI-Friendly Docs
Every page available as clean Markdown. Add .md to any URL. No HTML parsing, 10x fewer tokens, zero hallucinations.
Predictable API
No edge cases to trip up AI. Consistent response shapes, clear error messages, sensible defaults. Working code on the first try.
MCP Server (Optional)
26 tools for when your AI needs to manage email operations directly. Works with Claude Code, Cursor, Windsurf, and more.
Sub-Second Delivery
Emails arrive in milliseconds. When AI adds email to your signup flow, users get their verification email instantly.
99.9% Deliverability
Automatic SPF, DKIM, and DMARC. Your AI-written email code sends to inbox, not spam. No extra configuration needed.
Simple Pricing
$0.50 per 1,000 emails. No monthly fees. No tiers. No surprises. Just pay for what you send.
How we compare
We focus on what developers actually care about.
| Feature | Ark | SendGrid | Postmark | Resend |
|---|---|---|---|---|
| MCP Server | 26 tools | No | 4 tools | 1 tool |
| API complexity | Minimal | High | Medium | Low |
| Avg delivery time | <1s | 2-5s | <1s | 1-2s |
| Pricing model | Pay per email | Monthly tiers | Monthly tiers | Monthly tiers |
| Free tier | 10K emails | 100/day | 100/month | 3K/month |
Simple pricing. No surprises.
Pay for what you send. No tiers, no monthly fees, no hidden costs.
No monthly fees. $5 credit to start free.
- Unlimited team members
- Unlimited domains
- Full MCP server (26 tools)
- AI-readable documentation
- Real-time analytics
- 99.99% uptime SLA
No credit card required
“I asked Cursor to add email verification to my signup flow. It read the Ark docs, wrote the integration code, and it worked first try. I didn't context-switch once.”
Sarah Chen
Indie Hacker
Let AI write your email integration
Sign up, get your API key, and tell your AI to add email to your app. It'll read our docs and write code that works first try.
No credit card required. Works with Claude, Cursor, Windsurf, and more.