Customer.io vs SendGrid
Side-by-side reliability comparison based on real-time monitoring data over the last 25 days.
Customer.io
Marketing automation platform for targeted messaging based on user behavior and data.
OperationalSendGrid
Cloud-based email delivery platform for transactional and marketing emails with APIs, templates, and analytics for high-volume senders.
Maintenance| Metric | Customer.io | SendGrid |
|---|---|---|
| Current Status | Operational | Maintenance |
| Uptime (25-day) | 89.47% | 48% |
| Days with Issues | 2 | 13 |
| Feed Type | Statuspage | Statuspage |
| Status Page | View → | View → |
Customer.io vs SendGrid: Reliability Comparison
Choosing between Customer.io and SendGrid? Reliability matters. ServiceAlert.ai tracks both services in real time, monitoring their status pages for outages, degraded performance, and maintenance windows.
Over the last 25 days, Customer.io has maintained 89.47% uptime with 2 days of issues, while SendGrid has achieved 48% uptime with 13 days of issues.
Want instant alerts when either service goes down? Sign up for ServiceAlert.ai to monitor both services and get notified via email, Slack, Teams, Google Chat, or Discord.