Unitpost

Unitpost

Work Reactor Inc.
sendbunny

sendbunny

Sendbunny
+
+

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About

Unitpost is an end-to-end customer communications platform. You describe the workflow you want (a welcome series, shipping updates, a win-back campaign, etc.) and Unitpost builds it for you: ready to run across email, text, and WhatsApp. Today we support transactional + marketing email with a hybrid template system (visual + code), contacts, segments, campaigns and automations. The foundation is built horizontally from day one: one contact model, one event system, one pricing model (shared sending balance), and every action works the same way in the UI, via API, and through our agent (Ask Unit). We are not building another email tool. We are building the messaging layer that replaces the pile of tools teams currently stitch together and can be prompted for result, not manually built.

About

SendBunny is an AWS-native, self-hosted email platform for startups, developers, SaaS teams, and businesses that want more control over their email infrastructure. It deploys into the customer’s own AWS account and uses Amazon SES for delivery. SendBunny combines transactional email APIs, marketing campaigns, unlimited contacts, templates, analytics, suppression management, multiple sending domains, a team inbox, and MCP support for AI workflows in one platform. Unlike other email providers that charge recurring fees based on contacts or usage tiers, SendBunny is available for a $199 one-time license. Customer data and application infrastructure remain inside the user’s AWS account. SendBunny is designed for teams looking for an alternative to Resend, SendGrid, Mailgun, Mailchimp, and similar email platforms without giving up ownership of their infrastructure or building the full email layer around Amazon SES themselves.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Startups, Enterprises, Small Businesses, Developers, Marketers, Founders

Audience

Developers, SaaS companies, startups, agencies, founders, and businesses that send transactional or marketing email and want to reduce recurring ESP costs. Ideal for teams looking for an alternative to SendGrid, Resend, Mailgun, Mailchimp, Amazon SES or other email providers due to rising costs, per-contact pricing, vendor lock-in, data privacy requirements, or the need for greater infrastructure control. Best suited for AWS users who want unlimited contacts and to own their email infrastructure and customer data.

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$10/month
Free Version Supported
Free Trial Not Supported

Pricing

$199 one-time license fee
$ 199 - one-time license fee
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • One time fee, no vendor lock in and a full email platform with API & MCP. The experience from product to onboarding was smooth. Works great if you already have AWS production access or in the SES ecosystem already.

Cons

  • Must get AWS production access to use the product. Works great if you are already in SES.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Work Reactor Inc.
Founded: 2022
United States
www.unitpost.com

Company Information

Sendbunny
Founded: 2026
United States
sendbunny.co

Alternatives

BlueFox Email

BlueFox Email

Innovaris Group

Alternatives

Mailjet

Mailjet

Sinch

Categories

Email APIs Supported
Email Marketing Supported

Categories

Email Marketing Supported

Email Marketing Features

A/B Testing Supported
Artificial Intelligence Not Supported
Auto-Responders Supported
CAN SPAM Compliance Supported
Customer Surveys Not Supported
Drip Campaigns Not Supported
Dynamic Content Not Supported
Event Triggered Email Supported
Image Library Supported
Landing Pages/Web Forms Supported
Mailing List Management Supported
Mobile Optimized Emails Supported
Reporting/Analytics Supported
Subscriber Management Supported
Template Management Supported
WYSIWYG Email Editor Supported

Transactional Email Features

A/B Testing Not Supported
Contact Database Supported
Dynamic Content Supported
Email Monitoring Supported
Mailing List Management Supported
Reporting/Analytics Supported
Spam Check Supported
Template Management Supported

Integrations

Amazon SES Not Supported
Claude Supported
Cursor Supported
Model Context Protocol (MCP) Supported

Integrations

Amazon SES Supported
Claude Not Supported
Cursor Not Supported
Model Context Protocol (MCP) Not Supported
Claim Unitpost and update features and information
Claim Unitpost and update features and information
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Claim sendbunny and update features and information