The powerful way to send emails
High-performance email delivery powered by official Gmail API. Fast, reliable, and built for scale.
Trusted by thousands of businesses worldwide
Built for performance
Everything you need for professional email campaigns
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Superior Deliverability
Leverage Google's trusted infrastructure to ensure your emails reach the inbox, not spam folders.
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Lightning Fast
Built on Google's robust servers with minimal downtime and maximum reliability for your campaigns.
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Scales With You
Handle massive sending volumes efficiently with intelligent rate limit management and optimization.
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Personal Touch
Advanced personalization with custom fields to make every email unique and boost engagement rates.
Available everywhere
Download US2 ULTRA for your platform
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Simple, transparent pricing
$3 per user/day with no hidden fees