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Unitpost Review

Unitpost is an AI-first platform for sending transactional and marketing emails, providing tools for email composition, contact management, and analytics.

shipped Sep 2, 2026codefreemium
Monthly visits2/mo
code
 Unitpost — product screenshot

Why it matters

1Offers a freemium model with a Free tier providing 5,000 emails per month.
2Features an API and SDKs for Node, Python, Ruby, PHP, Laravel, Go, Java, Rust, and .NET.
3Includes 'Unit AI' for drafting emails, segmenting audiences, and explaining delivery health.
4Supports unlimited contacts on paid plans, starting at $30/month for the Starter tier.

About Unitpost

Business Model
Subscription SaaS
Free Credits
5,000 emails
Headquarters
San Francisco, CA
Platforms
Web, API
Target Audience
Businesses looking for robust email solutions

Pricing Plans

Free
$0/mo
  • 5,000 emails / mo
  • 200 emails / day
  • 10,000 contacts
  • 5 domains
Starter
$30/mo
  • 50k emails / mo
  • 10 domains
  • 3 team seats
  • 5 webhooks
Growth
$200/mo
  • 250k emails / mo
  • 100 domains
  • 10 team seats
  • 25 webhooks
Enterprise
Custom rates / Custom terms
  • Sending 1M+ or need custom terms
  • Dedicated support
  • Annual invoicing & ACH

Cost Examples

  • Sending 50,000 emails: $30

Specs

API Available

Yes, public API

overview

What is Unitpost?

Unitpost is an AI-First Transactional & Marketing Email Service tool developed by Unitpost that enables developers, businesses, and marketers to manage and send transactional and marketing emails. It unifies email infrastructure, offering capabilities for composing emails using visual editors and code, integrated with AI for drafting and sending.

features

Key Features of Unitpost

Unitpost provides a comprehensive suite of features designed for efficient email management and delivery, emphasizing AI integration and developer-centric tools. The platform supports both transactional and marketing email types within a unified system.

  • Unlimited contacts on paid plans, with automatic suppression of bounces and complaints.
  • Integrated email builder supporting both visual editors and React code templates.
  • API & SDK access for programmatic email sending via Node, Python, Ruby, PHP, Laravel, Go, Java, Rust, and .NET.
  • Email tracking and analytics, including deliverability analytics, event logs, and webhooks.
  • AI capabilities ('Unit AI' and 'Ask Unit') for drafting emails, launching campaigns, and audience segmentation.
  • Domain authentication tools (DKIM, SPF, DMARC) for reputation management.
  • Migration assistant for transferring data from other email providers.
  • Compliance with DPA (Data Processing Addendum) and a clear privacy policy; user data is never used for training.

use cases

Who Should Use Unitpost?

Unitpost is designed for a range of users, from individual developers to larger businesses, who require a robust, AI-integrated, and developer-friendly platform for managing their email communications. Its unified approach simplifies the email stack for product teams.

  • Developers and Indie Developers: For accessing email infrastructure via API and SMTP, building with SDKs, and utilizing React code templates for email creation.
  • Businesses and Small Teams: For sending transactional emails (e.g., welcome series, shipping updates, password resets) and marketing campaigns (e.g., newsletters, promotional offers).
  • Marketers: For managing contacts, segments, and campaigns, leveraging AI for content drafting and audience segmentation.
  • Product Teams: For consolidating transactional and marketing email sending into a single platform, reducing vendor complexity.

how to use

How to Use Unitpost

To begin using Unitpost, users can sign up for a free account, which includes 5,000 emails per month. The platform offers a user-friendly interface for managing email campaigns and contacts, alongside extensive API documentation for developers.

  • 1Register for a Unitpost account, starting with the Free tier.
  • 2Configure domain authentication (DKIM, SPF, DMARC) to ensure email deliverability.
  • 3Utilize the visual editor or React code templates to compose email content.
  • 4Integrate with the Unitpost API or SDKs (Node, Python, Ruby, PHP, Laravel, Go, Java, Rust, .NET) for programmatic sending.
  • 5Manage contacts, create segments, and launch email campaigns through the dashboard.
  • 6Leverage 'Unit AI' for assistance in drafting emails, segmenting audiences, or analyzing delivery metrics.

pricing

Unitpost Pricing & Plans

Unitpost operates on a freemium model, offering a free tier and several paid subscription plans tailored to different usage volumes. All paid plans include unlimited contacts and access to 'Unit AI'. A '30% OFF Starter Plans' promotion was noted on August 27, 2026.

  • Free: $0/month, includes 5,000 emails per month.
  • Starter: $30/month, includes 50,000 emails per month.
  • Growth: $200/month, includes 500,000 emails per month.
  • Enterprise: Custom rates, designed for high-volume users with specific requirements.

Pros

  • +Unified platform for both transactional and marketing emails, simplifying email infrastructure.
  • +Integrated 'Unit AI' for intelligent drafting, segmentation, and delivery analysis.
  • +Developer-friendly with extensive API, SDKs (Node, Python, Ruby, PHP, Laravel, Go, Java, Rust, .NET), and React code templates.
  • +Freemium model with a generous Free tier (5,000 emails/month) and unlimited contacts on paid plans.
  • +Provides migration tools for easy transfer from other email service providers.
  • +Strong focus on deliverability optimization with domain authentication tools.

Cons

  • Automations, SMS, and WhatsApp sending capabilities are listed as 'coming soon' as of August 2026.
  • While AI-powered, the effectiveness of AI-generated content may vary and require human oversight.
  • May have a learning curve for users unfamiliar with code-based email templating (React).
  • HIPAA alignment is not provided by default, which may be a limitation for certain industries.
  • Newer entrant compared to established providers, potentially with a smaller community or fewer third-party integrations currently.

Policies

Pricing Page

View Pricing

Similar Tools

Unitpost vs Competitors

Unitpost differentiates itself by offering a unified platform for both transactional and marketing emails, with a strong emphasis on AI integration and developer-centric features. It aims to simplify the email stack compared to traditional solutions.

1

Offers a comprehensive suite of marketing and sales tools beyond just email, including CRM, chat, and SMS marketing.

While Brevo provides a broader marketing and sales platform with a generous free email tier, it may not offer the same level of integrated AI drafting for email content as Unitpost.

2
Mailgun

Primarily focused on developers for sending transactional emails programmatically with robust APIs and high deliverability.

Mailgun is more developer-centric and less focused on visual email builders or integrated AI drafting compared to Unitpost, requiring more technical setup for email composition and sending.

3

Emphasizes AI-powered email content generation and smart segmentation for marketing campaigns, with a user-friendly interface.

TinyEmail offers a similar AI-driven approach to email content creation as Unitpost, but its free tier is based on subscriber count rather than email volume, and it might be less focused on pure transactional email APIs.

4

A full-featured open-source marketing automation platform that allows for complete control over data and extensive customization.

Mautic is open-source and self-hosted, providing ultimate control and no software costs, but it requires significant technical expertise for setup, maintenance, and server management, unlike Unitpost's hosted SaaS model, and lacks built-in AI drafting.

5

A modern, developer-first email API designed for sending transactional and marketing emails with a focus on deliverability and ease of integration.

Resend is highly developer-focused, offering a modern API for sending emails, which means it provides less in terms of visual email builders, contact management UI, or AI content generation for non-developers compared to Unitpost.

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