Nitrozen is a product changelog platform that lets you publish beautiful changelogs, embed widgets in your app, and host public changelog pages with custom domain support.

Is there a free plan?

Yes. Nitrozen offers a free plan with 1 project, 5 entries per month, public changelog pages, Markdown support, category badges, and an embeddable widget.

Can I use my own domain for the changelog?

Yes. Pro, Business, and Lifetime plans include custom domain support with DNS verification, so your changelog can live at your own URL.

Product Changelog Platform

Keep your users in the loop with beautiful changelogs

Nitrozen makes it effortless to publish product updates, embed changelog widgets, and host public changelog pages — all with Markdown support and custom domains.

Start for Free See Features

Free plan available. No credit card required.

Everything you need to ship updates

From public changelog pages to embeddable widgets, Nitrozen has you covered.

Public Changelog Pages

Host beautiful changelog pages at a clean URL. Share updates with anyone via a readable, public link.

Embeddable Widget

Add a changelog widget to your app with a single script tag. Keep users informed without leaving your product.

Custom Domain Support

Point your own domain to your changelog with DNS verification. Your brand, your URL.

Category System

Organize entries as New, Improvement, Fix, or Announcement. Color-coded badges help users scan updates fast.

Markdown Support

Write rich changelog entries using Markdown. Format text, add code blocks, and create lists with ease.

Multi-Project Support

Manage changelogs for multiple products from a single dashboard. Each project gets its own page and slug.

REST API & SDKs

Manage everything programmatically. Official SDKs for Node.js, Go, and Python, plus a Terraform provider for infrastructure-as-code workflows.

View developer docs →

AI & MCP Server

Connect Claude, Cursor, and other AI assistants directly to your changelog. Create and publish entries with natural language — no dashboard needed.

Set up MCP →

Organize updates your users will love

Every changelog entry gets a category badge, making it easy for your users to see what changed at a glance.

New February 7, 2026

Dark mode support

Your changelog pages now support dark mode automatically based on user preferences.

Improvement February 5, 2026

Faster page loads

Optimized rendering for public changelog pages with improved caching.

Fix February 3, 2026

Widget scroll issue resolved

Fixed a bug where the widget would not scroll correctly on mobile devices.

One script tag. That's it.

Embed a changelog widget into your app with a single line of code. Your users see the latest updates without ever leaving your product.

Loads asynchronously — won't slow down your site
Automatically fetches latest entries
Styled to blend with any design

<script
  src="https://nitrozen.io/js/widget.js"
  data-project="my-product"
  defer
></script>

API-first & open

Built for developers

Automate your changelog from your CI pipeline, codebase, or infrastructure. Publish entries the way you deploy code.

publish-release.js

import Nitrozen from 'nitrozenio';

const client = new Nitrozen({ token: process.env.NITROZEN_TOKEN });

await client.EntriesApi.projectsProjectEntriesPost(projectId, {
  title:        `v${version} — ${releaseTitle}`,
  content:      releaseNotes,
  category:     'new',
  is_published: true,
});

REST API

16 endpoints. Full CRUD for projects, entries, tokens, and public data. Interactive reference with live requests.

Node.js SDK

Promise-based client with full TypeScript support. npm install nitrozenio

Go SDK

Fluent builder API with context-based auth. go get github.com/nitrozenio/nitrozen-go

Python SDK

Pydantic v2 models, full type hints. pip install nitrozenio

Terraform Provider

Manage changelogs as infrastructure code. source = "nitrozenio/nitrozen"

MCP Server

Connect Claude, Cursor, and other AI assistants directly to your changelog. Manage entries with natural language.

GitHub Action

Publish a changelog entry straight from a GitHub Release. uses: nitrozenio/changelog-action@v1

Browse all developer docs

Simple, transparent pricing

Start free, upgrade when you're ready.

Free

$0 /month

1 project
5 entries per month
Public changelog page
Markdown support
Category badges
Embeddable widget

Get Started

Pro

$9.99 /month

1 projects
100 entries per month/project
Everything in Free
Custom domains
Priority support
Analytics (30 days)
API access

Business

$29.99 /month

10 projects
1000 entries per month/project
Everything in Pro
Analytics (90 days)
Dedicated support
Team collaboration (coming soon)

Early Bird

Lifetime Deal

$49.00 one-time

3 projects
100 entries per month/project
Custom domains
Analytics (90 days)
Embeddable widget
API access
Pay once, use forever

Grab the Deal

Ready to keep your users informed?

Join Nitrozen today and start publishing changelogs in minutes.

Create Your Free Account

Frequently asked questions

What is Nitrozen?: Nitrozen is a product changelog platform that lets you publish beautiful changelogs, embed widgets in your app, and host public changelog pages with custom domain support.
Is there a free plan?: Yes. Nitrozen offers a free plan with 1 project, 5 entries per month, public changelog pages, Markdown support, category badges, and an embeddable widget.
Can I use my own domain for the changelog?: Yes. Pro, Business, and Lifetime plans include custom domain support with DNS verification, so your changelog can live at your own URL.
How does the embeddable widget work?: Add a single script tag to your website or app. The widget loads asynchronously, displays a notification badge for new entries, and opens a panel with your latest changelog updates without leaving your product.
What happens if I cancel my subscription?: Your plan stays active until the end of the current billing period. After that, you'll be downgraded to the free plan. Your projects and entries are never deleted.