Email infrastructure for product teams, offering full delivery visibility and sandbox testing.
Product memo
Keplars provides email infrastructure for modern product teams, indie hackers, and startups. It simplifies both transactional and marketing email delivery, giving developers full visibility into delivery and sandbox testing capabilities. This approach removes friction and offers a predictable foundation, serving teams that prioritize developer experience and direct scaling.
For who
Modern product teams, indie hackers, and startups
Solves what
Transactional and marketing email infrastructure with full delivery visibility and sandbox testing.
- Full delivery transparency
- Sandbox testing
- Seamless scaling
In their own words
Email Infrastructure for Modern Product Teams
Keplars powers transactional and marketing emails with full delivery visibility, sandbox testing, and seamless scale - with strong developer experience, enabling you to send emails in under 5 clicks, and usage-based pricing.
Commercial cues
Model
usage_based
Free tier
No
Trial
Available
Operator context
Founded
Jan 2026
HQ
United States
Platform
API
Audience
Developers
Payments
Stripe
Tech stack
Social / footprint
and 4 more
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Solo Buildable
About Keplars Expand
Keplars delivers essential email infrastructure designed for modern product teams, indie hackers, and startups. It handles both transactional and marketing emails, giving developers full visibility into delivery status and specific sandbox testing environments.
This focus on a strong developer experience and usage-based pricing aims to simplify a backend API, allowing teams to integrate and send emails quickly. Keplars positions itself as a reliable, easy-to-scale option for those who need predictable email delivery without the complexity of larger, more generalized platforms.