# 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.

Keplars Mail Service is a developer-first transactional email infrastructure platform that eliminates the complexity of SMTP configuration, DNS setup, and domain verification. It connects directly to Gmail, Google Workspace, or Microsoft Outlook via OAuth, enabling teams to start sending transactional emails in minutes. With a 99.77% deliverability rate and sub-5-second average time to inbox, Keplars handles the infrastructure so developers can focus on building their product.

- **Hassle-Free OAuth Setup** — *Connect your Gmail, Google Workspace, or Microsoft Outlook account securely via OAuth; no SMTP configs, app passwords, or DNS records required to get started.*
- **RESTful Email API & SMTP Relay** — *Send transactional emails via clean REST APIs or SMTP relay with SDKs available for Node.js, Python, Go, PHP, Ruby, Rust, Kotlin, Dart, C++, Swift, and Elixir.*
- **Email Scheduling** — *Schedule emails for any future date and time with timezone support, use saved templates with dynamic parameters, and cancel or modify scheduled emails before delivery.*
- **LaunchPad AI-Powered Template Builder** — *Drag-and-drop or AI-generate transactional email templates; edit HTML visually or in code, preview across devices, and reuse templates across projects.*
- **Delivery Analytics & Tracking** — *Track every email from delivery to engagement — see delivery status, open events, link clicks, and full delivery timelines in one dashboard.*
- **Custom Domain Support** — *Use your own domain with SPF, DKIM, and DMARC verification for full brand control, or start instantly with an OAuth-managed domain.*
- **Role-Based Access Control (RBAC)** — *Enterprise-grade security with bank-level encryption, scoped API tokens, and team-level permissions to keep email delivery safe and compliant.*
- **Webhooks** — *Receive real-time webhook events for delivery, bounces, opens, and clicks; all webhooks are verified using digital signatures.*
- **Multi-Framework Template Support** — *Integrates with MJML, Pug, React Email, Handlebars, and EJS for flexible template authoring in any stack.*
- **Integrations** — *Works with Firebase, Vercel, Supabase, Lovable, and more — slot Keplars into your existing workflow without changing how you build.*

## Features
- Transactional Email API
- SMTP Relay
- OAuth Email (Gmail, Google Workspace, Outlook)
- Email Scheduling
- AI-Powered Template Builder (LaunchPad)
- Drag-and-Drop Email Editor
- Custom Domain Support
- SPF, DKIM, DMARC Authentication
- Delivery Analytics & Tracking
- Webhooks
- Role-Based Access Control (RBAC)
- Multi-language SDKs
- Batch Sending
- Markdown Email Support
- Real-time Delivery Timeline
- Multi-region Routing
- 99.9% Uptime SLA

## Integrations
Gmail, Google Workspace, Microsoft Outlook, Firebase, Vercel, Supabase, Lovable, React Email, MJML, Handlebars, Pug, EJS

## Platforms
IOS, WEB, API, CLI

## Pricing
Freemium — Free tier available with paid upgrades

## Links
- Website: https://keplars.com
- Documentation: https://docs.keplars.com/
- Repository: https://github.com/KeplarsHQ
- EveryDev.ai: https://www.everydev.ai/tools/keplars