| Overview |
A realtime messaging infrastructure platform providing pub/sub, presence, and stream processing for applications at scale. |
Email deliverability testing tool that checks inbox placement, spam scores, DMARC, and sender reputation across major ISPs. |
| Pricing |
Freemium (Free-$99/month) |
Freemium ($0-custom/mo) |
| Key Features |
- Pub/sub messaging
- Presence
- Stream processing
- Webhooks
- MQTT support
- Message queuing
- History
- Global edge network
|
- Inbox placement testing
- Spam score
- DMARC analytics
- IP reputation
- Bounce monitor
- Uptime monitor
|
| Pros |
- Enterprise-grade reliability
- Global edge network
- Protocol support
- Good documentation
|
- Detailed deliverability insights
- DMARC monitoring
- Affordable
- Multiple test types
|
| Cons |
- Can be expensive
- Complex pricing
- Smaller community
- Learning curve
|
- Interface dated
- Learning curve
- Results can vary
|
