Choose Your Plan
From self-hosted solutions to enterprise-grade reliability, we have a plan that fits your needs.
Pay-As-You-Go
Usage-based
Start small, scale as you need
- 50 projects
- Unlimited channels & topics
- Usage-based billing
- $5 free credit to get started
Most Popular
Standard
$17/month
For growing apps and indie projects
- 50 projects
- Unlimited channels & topics
- 8.5M messages included / month
- Usage-based overages after that
Pro
$199/month
For production apps at scale
- 50 projects
- Unlimited channels & topics
- Higher message limits
- Priority access to new features
Payments are processed via Polar.sh.
All plans include our core pub/sub messaging features. Enterprise plans include custom terms and conditions.
Prefer to self-host? Erebus is proudly open-source! View it on GitHub
Feature Comparison
Compare all features across our pricing tiers
Features
Pay-As-You-Go
StandardPopular
Pro
Core Features
Open Source
Full access to the source code
Projects
Up to 50 projects across all plans
Channels & Topics
Unlimited channels and topics
Real-time Messaging
Pub/sub system over WebSockets
Usage
Included Messages
Messages included with each plan
Overages
Usage-based pricing beyond included quota
Support
Community Support
Docs, GitHub issues, discussions
Email Support
Direct support via email
All plans include our core pub/sub messaging features. Enterprise plans include custom terms and conditions.