# AISend — AI-Powered Transactional & Cold Email API

> AISend is an email deliverability engine and developer API designed to ensure 99.8% inbox placement for transactional emails, SaaS onboardings, and automated founder cold outreach. Built with primary AISend AI deliverability optimization and Resend fallback integration.

## Core Features & Tech Stack

- **High-Deliverability Email API**: REST & SDK integration for Node.js, Next.js, Python, and Go with 99.8% inbox rate guarantee.
- **Automated Warmup & Domain Reputation**: Auto-warms up custom domains and IP addresses to prevent Gmail & Outlook spam filter flags.
- **7 Free Email Micro-Tools**: Free online developer tools including Email Spam Score Checker, SPF/DKIM/DMARC Record Validator, Cold Email Deliverability Tester, Subject Line Open-Rate Analyzer, Email List Cleaner, MX Lookup Tool, and HTML Template Previewer.
- **AI Subject Line & Copy Optimizer**: Built-in Vercel AI SDK optimization to rephrase spammy triggers into high-converting copy.
- **Bugsly & Analytics Integration**: Built-in bounce, complaint, open, and click tracking with real-time webhooks.

## Pricing & API Tiers

- **Developer Starter**: $0 (Up to 3,000 emails/month free)
- **Growth Plan**: $29/month (50,000 emails/mo, dedicated IP warmup, custom domain branding)
- **Scale Plan**: $99/month (250,000 emails/mo, priority routing, 24/7 deliverability monitoring)

## Official Links

- Website: https://aisend.app
- Free Tools Suite: https://aisend.app/tools/email-spam-checker
- GitHub Repository: https://github.com/airdropfi/aisend