# Amazon EventBridge quotas The following quotas apply to the various feature areas of Amazon EventBridge. **Topics** + [EventBridge event bus quotas](#eb-limits) + [EventBridge Schema Registry quotas](#schema-quotas) + [EventBridge Pipes quotas](#eb-pipes-limits) **Note** For a list of the quotas for EventBridge Scheduler, see [Quotas for EventBridge Scheduler](https://docs.aws.amazon.com/scheduler/latest/UserGuide/scheduler-quotas.html) in the *EventBridge Scheduler User Guide.* ## EventBridge event bus quotas EventBridge event buses have the following quotas. The Service Quotas console provides information about EventBridge quotas. Along with viewing the default quotas, you can use the Service Quotas console to [request quota increases](https://console.aws.amazon.com/servicequotas/home?region=us-east-1#!/services/events/quotas) for adjustable quotas. | Name | Default | Adjustable | Description | | --- | --- | --- | --- | | Api destinations | Each supported Region: 3,000 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-FB1C3A6D) | The maximum number of API destinations per account per Region. | | Connections | Each supported Region: 3,000 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-595D6D42) | The maximum number of connections per account per Region. | | CreateEndpoint throttle limit in transactions per second | Each supported Region: 5 per second | No | The maximum number of requests per second for CreateEndpoint API. Additional requests are throttled. | | DeleteEndpoint throttle limit in transactions per second | Each supported Region: 5 per second | No | The maximum number of requests per second for DeleteEndpoint API. Additional requests are throttled. | | Endpoints | Each supported Region: 100 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-EAC9A2AC) | The maximum number of endpoints per account per Region. | | Event bus policy size | Each supported Region: 10,240 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-FC354966) | Maximum policy size, in characters. This policy size increases each time you grant access to another account. You can see your current policy and its size by using the DescribeEventBus API. | | Event buses | Each supported Region: 100 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-658A4FD9) | Maximum event buses per account. | | Event pattern size | Each supported Region: 2,048 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-664C5505) | Maximum size of an event pattern, in characters. | | Invocations throttle limit in transactions per second | us-east-1: 18,750 per second
us-east-2: 4,500 per second
us-west-1: 2,250 per second
us-west-2: 18,750 per second
ap-east-1: 1,100 per second
ap-northeast-1: 2,250 per second
ap-northeast-2: 1,100 per second
ap-south-1: 1,100 per second
ap-southeast-1: 2,250 per second
ap-southeast-2: 2,250 per second
ca-central-1: 1,100 per second
eu-central-1: 4,500 per second
eu-north-1: 1,100 per second
eu-south-2: 4,500 per second
eu-west-1: 18,750 per second
eu-west-2: 2,250 per second
eu-west-3: 1,100 per second
sa-east-1: 1,100 per second
Each of the other supported Regions: 750 per second | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-5540C5E3) | An invocation is an event matching a rule and being sent on to the rules targets. After the limit is reached, the invocations are throttled; that is, they still happen but they are delayed. | | Number of rules | af-south-1: 100
eu-south-1: 100
Each of the other supported Regions: 300 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-244521F2) | Maximum number of rules an account can have per event bus | | PutEvents throttle limit in transactions per second | us-east-1: 10,000 per second
us-east-2: 2,400 per second
us-west-1: 1,200 per second
us-west-2: 10,000 per second
ap-east-1: 600 per second
ap-northeast-1: 1,200 per second
ap-northeast-2: 600 per second
ap-south-1: 600 per second
ap-southeast-1: 1,200 per second
ap-southeast-2: 1,200 per second
ca-central-1: 600 per second
eu-central-1: 2,400 per second
eu-north-1: 600 per second
eu-south-2: 2,400 per second
eu-west-1: 10,000 per second
eu-west-2: 1,200 per second
eu-west-3: 600 per second
sa-east-1: 600 per second
Each of the other supported Regions: 400 per second | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-9B653E91) | Maximum number of requests per second for PutEvents API. Additional requests are throttled. | | Rate of invocations per API destination | Each supported Region: 300 per second | [Yes](https://console.aws.amazon.com/servicequotas/home/services/events/quotas/L-755FD01C) | The maximum number of invocations per second to send to each API destination endpoint per account per Region. Once the quota is met, future invocations to that API endpoint are throttled. The invocations will still occur, but are delayed. | | Targets per rule | Each supported Region: 5 | No | Maximum number of targets that can be associated with a rule | | Throttle limit in transactions per second for control plane APIs | Each supported Region: 50 per second | No | Maximum number of requests per second for EventBridge control plane API operations. Additional requests are throttled. | | UpdateEndpoint throttle limit in transactions per second | Each supported Region: 5 per second | No | The maximum number of requests per second for UpdateEndpoint API. Additional requests are throttled. | In addition, EventBridge has the following quotas that are not managed through the Service Quotas console. | Name | Default | Description | | --- | --- | --- | | Rules containing wildcards | Each supported Region: 30 rules per event bus | Maximum number of rules, per event bus per account, that can contain event filters that include wildcards. This quota cannot be adjusted.
For more information on using wildcards in event patterns, see [Matching using wildcards](eb-create-pattern-operators.md#eb-filtering-wildcard-matching). | | Schema discovery levels | Each supported Region: 255 levels | Maximum number of levels schema discovery will infer events that are nested. Any events past 255 levels are ignored. | | Connections (Private) | Each supported Region: 20 | The maximum number of private connections per account per Region. | ## EventBridge Schema Registry quotas EventBridge Schema Registry has the following quotas. The Service Quotas console provides information about EventBridge quotas. Along with viewing the default quotas, you can use the Service Quotas console to [request quota increases](https://console.aws.amazon.com/servicequotas/home?region=us-east-1#!/services/events/quotas) for adjustable quotas. | Name | Default | Adjustable | Description | | --- | --- | --- | --- | | DiscoveredSchemas | Each supported Region: 200 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/schemas/quotas/L-1738102F) | The maximum number of schemas for a discovered schema registry that you can create in the current region | | Discoverers | Each supported Region: 10 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/schemas/quotas/L-037FC7C4) | The maximum number of discoverers that you can create in the current region. | | Registries | Each supported Region: 10 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/schemas/quotas/L-85663EFB) | The maximum number of registries that you can create in the current region. | | SchemaVersions | Each supported Region: 100 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/schemas/quotas/L-3C443A2A) | The maximum number of versions per schema that you can create in the current region. | | Schemas | Each supported Region: 100 | [Yes](https://console.aws.amazon.com/servicequotas/home/services/schemas/quotas/L-EE9E5FA9) | The maximum number of schemas per registry that you can create in the current region. (Except Discovered Schema Registry) | ## EventBridge Pipes quotas EventBridge Pipes has the following quotas. If you have requirements for higher maximum limits, [contact support](https://console.aws.amazon.com/support/home?#/case/create?issueType=technical). | Resource | Regions | Default limit | | --- | --- | --- | | Concurrent pipe executions per account | [See the AWS documentation website for more details](http://docs.aws.amazon.com/eventbridge/latest/userguide/eb-quota.html) | 1000 | | Concurrent pipe executions per account | [See the AWS documentation website for more details](http://docs.aws.amazon.com/eventbridge/latest/userguide/eb-quota.html) | 3000 | | Pipes per account | All | 1000 |