Making email personalization accessible to every team with AI-powered automation and transparent pricing.
Email marketing is more competitive than ever. Generic mass emails don't work anymore. Personalization is the key to getting replies, but manually personalizing hundreds or thousands of emails is impossible.
We built WarmOpener to solve this problem. By combining the power of AI with an intuitive interface, we make it possible for any team to generate unique, relevant content for each contact at scale.
Whether you're a sales team reaching out to prospects, a recruiter engaging candidates, or an agency managing client campaigns, WarmOpener helps you send emails that feel personal because they are.
Use your own OpenAI API key with zero markup
Full data ownership and export rights
Enterprise-grade security and encryption
No vendor lock-in, cancel anytime
Transparent pricing with no hidden fees
Privacy-first design and development
We don't mark up AI costs. Use your own OpenAI API key and pay OpenAI directly. This keeps costs transparent and gives you full control over your AI usage.
Your data stays secure with enterprise-grade encryption and row-level security. We never access your contacts or email content without explicit permission.
Export your data anytime in standard CSV format. Full ownership of your contacts and campaigns. Cancel anytime, no questions asked.
Simple, intuitive interface that doesn't require technical expertise. Get started in 5 minutes, not 5 days.
WarmOpener is built on proven, secure infrastructure that scales with your business needs.
Join teams using WarmOpener to transform their email outreach. Start free today.