Keplars
Removing friction from email infrastructure for transactional and product emails, providing developers with a predictable and reliable sending foundation.
Founding Story
Keplars was started to simplify transactional email infrastructure for developers, replacing complex SMTP and DNS setups with a faster, AI-powered API-first platform.
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Leadership
Founders
Debojyoti Singha
Ex-Engineering Manager at a YC-backed company; experienced in SaaS, infrastructure, and scalable systems.
Naufal Nugroho
Co-Founder of Understory and GTM expert; previously built a cold email and Clay agency to 6-figures.
Executive Team
Debojyoti Singha
Founder
Infrastructure and Scalable Systems specialist.
Naufal Nugroho
Founder
GTM strategy and Engineering leader.
Business Model
Revenue Model
Subscription-based (SaaS) with monthly tiers (Free, Orbit, Launch, Custom) and usage-based add-ons for extra email accounts and AI credits.
Pricing Tiers
5,000 emails/mo, 1 email account, 5 AI credits, 1 team member.
10,000 emails/mo, 5 email accounts, 5 AI credits, 2 team members.
25,000 emails/mo, 10 email accounts, 10 AI credits, 5 team members.
Scale up to 150,000 emails/mo and 35+ accounts with adjustable sliders.
Target Markets
- SaaS Startups
- Product Teams
- Developers
- FinTech
- E-commerce
- OTP / Password Reset
- Order Notifications
- Newsletters & Digests
- Product Alerts
- User Onboarding
- Supabase
- GitStart
- FoundersBoxx
- Roostoo
History & Milestones
Company rebranded from Keplers to Keplars with a new identity and home at keplars.com.
Launched Keplars v2 with custom domain support and flexible pricing.
Integration with Supabase launched for seamless transactional email sending.
Keplars became available on the Vercel Marketplace.
Introduced LaunchPad, an AI-powered email template builder.
1 AI Tool by Keplars
Keplars is a developer-first transactional email API that lets you send emails in under 5 clicks via Gmail, Google Workspace, or Outlook — no SMTP or DNS setup required.
