Full-stack email platform. Campaigns, automations, contacts, templates, analytics, and a developer API. All features included on every plan.
Create, target, and launch email campaigns to any list or segment. Drag-and-drop editor or AI-generated content.
Send SMS broadcasts via Twilio. Same interface, same targeting, different channel.
Schedule campaigns for the future or send immediately. Timezone-aware delivery.
Test subject lines, content, and send times. AI suggests the winner.
Drag-and-drop automation builder with triggers, delays, splits, and multi-channel steps.
Trigger flows on contact creation, list membership, custom events, or product activity.
Branch flows based on contact attributes, engagement, tags, or custom data.
Add timed delays between steps. Hours, days, or weeks.
Every plan includes unlimited contacts. No per-contact pricing. Ever.
Organize contacts into lists and apply tags for flexible segmentation.
Rule-based segments that update automatically as contacts change.
Bulk import contacts from CSV files. Duplicate detection included.
Visual email editor with brand-matched components. No HTML required.
Generate subject lines, body copy, and CTAs from prompts. Matches your brand voice.
Set your colors, fonts, and logo once. Every email matches your brand automatically.
Emails render perfectly on desktop, mobile, and every email client.
21 MCP tools let Claude, ChatGPT, Cursor, Codex, Gemini, Windsurf, VS Code, and Zed control your entire email stack.
AI writes your emails using your brand voice, audience context, and campaign goals.
AI learns your tone, audience, and strategy over time. Every email gets smarter.
Describe what you want in plain English. Your AI translates it into campaigns, flows, and sends.
DKIM, SPF, and DMARC configured automatically when you verify your domain.
Transactional and marketing emails run on separate infrastructure. One won't affect the other.
Connect your own sending infrastructure (Amazon SES, Resend, Postmark, Mailgun, SendGrid) on Pro and above.
Median API response time under 200ms. Built for real-time integrations.
Opens, clicks, bounces, unsubscribes. Per campaign and over time.
Track performance at each step of your automations.
Domain health, bounce rates, and spam complaints tracked automatically.
AI analyzes your metrics and suggests improvements. Available via MCP and dashboard.
Full REST API with OpenAPI spec. Every feature accessible programmatically.
TypeScript-first SDK on npm. Install with npm install @nitrosend/sdk.
Real-time event webhooks for delivery, opens, clicks, bounces, and more.
Send receipts, OTPs, password resets, and notifications via API. No campaign required.