Email & messaging APIs
Live status and 90-day reliability, most reliable first (least time in major or critical outage).
| Service | Now | Uptime 90 d | Incidents | Median fix |
|---|---|---|---|---|
| Engagelab | Up | 100% | 0 | — |
| Libero Mail | Up | 100% | 0 | — |
| Litmus | Partial | 100% | 0 | — |
| MailBox | Up | 100% | 0 | — |
| Marc | Up | 100% | 0 | — |
| Nylas | Up | 100% | 0 | — |
| Superhuman Mail | Up | 100% | 0 | — |
| Titan Mail | Up | 100% | 0 | — |
| Virgilio Mail | Up | 100% | 0 | — |
| AWeber | Up | 100% | 1 | 35 min |
| FeedBlitz | Up | 100% | 1 | 8 min |
| Mailjet | Up | 100% | 1 | 32 min |
| SendGrid | Up | 100% | 1 | — |
| Pusher | Up | 100% | 2 | 2 h 38 min |
| SparkPost | Up | 100% | 6 | 1 h 46 min |
| CustomerIO | Up | 99.99% | 6 | 27 min |
| Ably | Up | 99.97% | 8 | 17 min |
| Rise Up | Up | 99.91% | 4 | 45 min |
| mailgun | Up | 99.88% | 9 | 42 min |
| OneSignal | Up | 99.88% | 6 | 18 min |
| Brevo | Up | 99.83% | 27 | 33 min |
| beehiiv | Up | 99.81% | 1 | 4 h 13 min |
| Proton Services | Up | 99.56% | 3 | 3 h 17 min |
| SMTP2GO | Up | 99.2% | 16 | 2 h 50 min |