Your AWS account has default quotas, formerly referred to as limits, for each AWS service. Unless otherwise noted, each quota is Region-specific. You can request increases for some quotas, while other quotas can't be increased.
Your AWS account has the following quotas related to User Notifications.
Service quotas
| Name | Default | Adjustable | Description |
|---|---|---|---|
| Notification configurations total for an AWS account | 50 notification configurations. | No | The maximum number of notification configurations that you can create in an AWS account. |
| Notification configurations for a single Service | 20 notification configurations for any specific service for an AWS account. | No | The maximum number of notification configurations that you can create for a given service in an AWS account. |
| Notification configurations per Service and Event type | 10 notification configurations for each service and event type for an AWS account. | No | The maximum number of notification configurations by Service and Event type you can create for a given AWS account. |
| Event rules for a given notification configuration | 10 event rules | No | The maximum number of event rules that you can create for each notification configuration in your AWS account. |
| Channels for a given notification configuration | 50 channels (email, mobile devices, or chat channels) for each notification configuration. | No | The maximum number of channels for each notification configuration that you can create in your AWS account. |
| Email contacts | 500 email contacts for each AWS account. | No | The maximum number of email contacts that you can add for each AWS account. |
| Notification hubs | 3 hubs for each AWS account. | No | The maximum number of notification hubs you can add to each AWS account. |
| Rate of source events for a given AWS account | 1 per second. | No | The maximum number of source events per second you can receive in each AWS account. |
