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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

Nitrosend consolidates branded email campaigns, automated workflows, and transactional communications within a single platform. Teams have the flexibility to draft and review their content directly in the dashboard, utilize the CLI and REST API from their own applications, or collaborate through various AI agents such as Claude, ChatGPT, and Cursor via MCP. Agencies benefit from the ability to oversee multiple client brands, transfer account ownership seamlessly, and maintain team collaboration. Users can create signup journeys based on product events, dispatch order confirmations, conduct message tests, and thoroughly review materials prior to launching campaigns. The free tier offers access to campaigns, workflows, transactional emails, and MCP/API/CLI functionalities with no limits on contacts, while the premium plans enhance sending capabilities and expand team sizes. Furthermore, with its user-friendly interface, teams can efficiently streamline their email marketing efforts and improve communication strategies.

Description

Ringmaster serves as a comprehensive hosted lifecycle email platform tailored for software teams, utilizing application events and AI agents to streamline customer communications effectively. Applications transmit events via a REST API, while AI agents leverage the Model Context Protocol (MCP) to construct and oversee email flows, audience segments, and marketing campaigns. Users can access these flows and their corresponding results through an intuitive dashboard. Notable features encompass event-triggered sequences, precise audience targeting, and efficient campaign management. The platform offers robust server-side controls that ensure idempotent events, prevent duplicate sends, facilitate daytime delivery, and enforce consent checks, as well as manage unsubscribes and suppressions. Additionally, flows are designed to bypass recipients who have already completed the desired action, enhancing the overall user experience. Teams can effectively utilize Ringmaster for various purposes, including onboarding, product education, re-engagement initiatives, and a wide array of lifecycle messaging strategies. With the monthly subscription plan, users benefit from unlimited flows, campaigns, and segments, in addition to 10,000 emails, with the option to request additional volume as needed. This flexibility makes Ringmaster an ideal choice for software development teams looking to optimize their customer engagement efforts.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

ChatGPT Yes 
Claude Code Yes 
Cursor Yes 
Model Context Protocol (MCP) Yes 
Amazon SES Yes 
Attio Yes 
Claude No 
Claude Cowork Yes 
Gemini CLI Yes 
Grok Bot Yes 
Mailgun Yes 
OpenAI Codex Yes 
Postmark Yes 
Resend Yes 
SendGrid Yes 
Visual Studio Code Yes 

Integrations

ChatGPT Yes 
Claude Code Yes 
Cursor Yes 
Model Context Protocol (MCP) Yes 
Amazon SES No 
Attio No 
Claude Yes 
Claude Cowork No 
Gemini CLI No 
Grok Bot No 
Mailgun No 
OpenAI Codex No 
Postmark No 
Resend No 
SendGrid No 
Visual Studio Code No 

Pricing Details

$0
Free forever: $0, 8,000 emails to start then 500/month; unlimited contacts, 1 seat and 3 brands. Pro: $20/month for 20,000 emails; Ultra: $100/month for 125,000 emails. Enterprise starts at $300/month, with volume-based email limits. Prices are in USD.
Free Trial No 
Free Version Yes 

Pricing Details

$300/month
The flat plan costs $300 per month and includes 10,000 emails per month, unlimited flows, campaigns, and segments. Additional email volume is available on request.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Nitrosend Pty Ltd

Founded

2026

Country

Australia

Website

nitrosend.com

Vendor Details

Company Name

ZNZ Systems

Founded

2023

Country

United Kingdom

Website

rngmstr.dev

Product Features

Email Marketing

A/B Testing No 
Artificial Intelligence No 
Auto-Responders No 
CAN SPAM Compliance No 
Customer Surveys No 
Drip Campaigns No 
Dynamic Content No 
Event Triggered Email No 
Image Library No 
Landing Pages/Web Forms No 
Mailing List Management No 
Mobile Optimized Emails No 
Reporting/Analytics No 
Subscriber Management No 
Template Management No 
WYSIWYG Email Editor No 

Transactional Email

A/B Testing No 
Contact Database No 
Dynamic Content No 
Email Monitoring No 
Mailing List Management No 
Reporting/Analytics No 
Spam Check No 
Template Management No 

Product Features

Email Marketing

A/B Testing No 
Artificial Intelligence No 
Auto-Responders No 
CAN SPAM Compliance No 
Customer Surveys No 
Drip Campaigns No 
Dynamic Content No 
Event Triggered Email No 
Image Library No 
Landing Pages/Web Forms No 
Mailing List Management No 
Mobile Optimized Emails No 
Reporting/Analytics No 
Subscriber Management No 
Template Management No 
WYSIWYG Email Editor No 

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