Zenduty limits the number of alerts sent to a specific integration to approximately 100 alerts/minute and incidents triggered to approximately 60/minute.
Limits also apply to the number of SMS/Phone call alerts sent to a user, which depends on their subscription plan as follows:
| Plan | SMS | Phone | Slack/MSTeams/Push notifications/Email |
| Free | 1 SMS alert every 5 mins | 1 Voice alert every 5 minutes | No Limit |
| Starter | 1 SMS alert every 2 minutes | 1 Voice alert every 4 minutes | No Limit |
| Growth | 1 SMS alert every 1 minute | 1 Voice alert every 2 minutes | No Limit |
| Enterprise | 1 SMS alert every 1 minute | 1 Voice alert every 2 minutes | No Limit |
Zenduty applies certain rate limits to some API requests to ensure proper and orderly access of Zenduty’s incident and alert data.
| Activity | Rate Limit |
| Incident Post | 1 per second, 15 per minute |
| Incident Get | 3 per second, 30 per minute |
| Alert Post | 5 per second, 30 per minute |
| Alert Get | 1 per second, 20 per minute |
| On-Call Get | 2 per second, 40 per minute |