IN THE FIELD GUIDE

Keplars

keplars.com

Keplars provides a modern email infrastructure platform designed for developers to build, send, and scale transactional and marketing emails with enterprise-grade deliverability and real-time delivery insights. It supports Gmail, Outlook, and custom domains with features like a unified email editor, sandbox testing, and 24/7 expert support.

THE PRODUCT, BEYOND THE PITCH

Editorially reviewed · Sources checked Oct 7, 2026

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A good fit for

Developers and product teams needing reliable, scalable email infrastructure with easy integration and real-time analytics.
Startups and growing teams requiring flexible email sending plans with no complex configuration or infrastructure management.

Know the limitations

Spam, phishing, malicious content, and emails violating CAN-SPAM or GDPR are not allowed.

What you can do

Designing, scheduling, and sending marketing email campaigns with tracking of opens, clicks, and conversions.

Features

Modern email editor with drag-and-drop and raw code support, including import of Canva or Figma designs as templates.
Real-time delivery tracking with visibility into delivery status, opens, clicks, bounces, and engagement metrics.
Sandbox testing to safely test emails before sending and maximize inbox placement confidence.
OAuth email sending integration for Gmail and Microsoft 365 with no SMTP relay or DNS configuration required.

Integrations

Not confirmed yet.

Platforms & data export

Not confirmed yet.

THE COST FOR YOUR TEAM

Go beyond the starting price.

Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.

PeopleBillingCurrencyPrices are shown as published. No exchange rates are applied.Monthly usage per toolApplies to each tool’s own unit. Leave at 0 for subscription cost only.

Known monthly subtotal

$0.00/month

1 of 1 tools could not be priced with these inputs, so this is not the full cost.

Plan costs based on your requirements
Tool / plan	Monthly	Per year	What this assumes
Keplars	No pricing recorded yet. Check the official site, or ask the owner to add it.

A practical workflow

Connect an existing Google or Microsoft account through secure OAuth and start sending emails immediately using established sender reputation.
Use the unified email editor to design emails with drag-and-drop or raw code, import designs, and ship pixel-perfect emails faster.

Based on the sources below. Editorial review does not imply hands-on product testing.

Alternatives to explore

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Candidates based on category and primary feature. Check feature and pricing differences before switching.

maileroo

✓ Reviewedprice clarity

Maileroo is an email delivery platform designed for sending transactional and marketing emails reliably and at scale. It offers a simple API, SMTP integration, and a user-friendly dashboard to manage email communication with a focus on deliverability, security, and ease of use.

Email & communicationFree plan

Envloped

✓ Reviewedprice clarity

Envloped is an email infrastructure platform designed specifically for AI agents, offering native Model Context Protocol (MCP) support and agent-first APIs. It provides developer-friendly tools including a simple API, CLI, and SDKs for sending transactional and marketing emails with intelligent workflows for agentic systems.

Email & communication

Twilio

✓ Reviewed

Twilio is a platform that provides APIs for SMS, RCS, voice, email, conversational AI, and identity verification to build personalized customer experiences. It enables continuous, contextual conversations across multiple channels with AI and human agents working together.

Email & communication

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What changed

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