Amazon EventBridge quotas - Amazon EventBridge
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Amazon EventBridge quotas

There are quotas for most aspects of EventBridge.

Note

For a list of the quotas for EventBridge Scheduler, see Quotas for EventBridge Scheduler in the EventBridge Scheduler User Guide.

EventBridge quotas

EventBridge 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 for adjustable quotas.

Name Default Adjustable Description
Api destinations Each supported Region: 3,000 Yes The maximum number of API destinations per account per Region.
Connections Each supported Region: 3,000 Yes 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 The maximum number of endpoints per account per Region.
Event bus policy size Each supported Region: 10,240 Yes 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 Maximum event buses per account.
Event pattern size Each supported Region: 2,048 Yes 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

af-south-1: 750 per second

ap-northeast-1: 2,250 per second

ap-northeast-3: 750 per second

ap-southeast-1: 2,250 per second

ap-southeast-2: 2,250 per second

ap-southeast-3: 750 per second

eu-central-1: 4,500 per second

eu-south-1: 750 per second

eu-west-1: 18,750 per second

eu-west-2: 2,250 per second

Each of the other supported Regions: 1,100 per second

Yes 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 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

af-south-1: 400 per second

ap-northeast-1: 1,200 per second

ap-northeast-3: 400 per second

ap-southeast-1: 1,200 per second

ap-southeast-2: 1,200 per second

ap-southeast-3: 400 per second

eu-central-1: 2,400 per second

eu-south-1: 400 per second

eu-west-1: 10,000 per second

eu-west-2: 1,200 per second

Each of the other supported Regions: 600 per second

Yes 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 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 Each supported Region: 50 per second Yes Maximum number of requests per second for all EventBridge API operations except PutEvents. 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

Event buses

Each supported Region: 100

Maximum event buses per account.

Event bus policy size

Each supported Region: 10240 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 pattern size

Each supported Region: 2048

Maximum size of an event pattern, in characters.

This is adjustable up to 4096 characters. If you have requirements for the higher maximum limit, contact support.

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.

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.

PutPartnerEvents quotas by Region

If you have requirements for higher maximum limits, contact support.

Regions Transactions per second
  • Amazon GovCloud (US-West)

  • Amazon GovCloud (US-East)

  • US East (N. Virginia)

  • US East (Ohio)

  • US West (N. California)

  • US West (Oregon)

  • Africa (Cape Town)

  • Asia Pacific (Hong Kong)

  • Asia Pacific (Mumbai)

  • Asia Pacific (Osaka)

  • Asia Pacific (Seoul)

  • Asia Pacific (Singapore)

  • Asia Pacific (Sydney)

  • Asia Pacific (Tokyo)

  • Canada (Central)

  • Europe (Frankfurt)

  • Europe (Ireland)

  • Europe (London)

  • Europe (Milan)

  • Europe (Paris)

  • Europe (Stockholm)

  • Europe (Milan)

  • South America (São Paulo)

  • China (Ningxia)

  • China (Beijing)

PutPartnerEvents has a soft limit of 1,400 throughput requests per second and 3,600 burst requests per second by default in all Regions.

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 for adjustable quotas.

Name Default Adjustable Description
DiscoveredSchemas Each supported Region: 200 Yes The maximum number of schemas for a discovered schema registry that you can create in the current region
Discoverers Each supported Region: 10 Yes The maximum number of discoverers that you can create in the current region.
Registries Each supported Region: 10 Yes The maximum number of registries that you can create in the current region.
SchemaVersions Each supported Region: 100 Yes The maximum number of versions per schema that you can create in the current region.
Schemas Each supported Region: 100 Yes 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.

Resource Regions Default limit

Concurrent pipe executions per account

  • Amazon GovCloud (US-West)

  • Amazon GovCloud (US-East)

  • China (Ningxia)

  • China (Beijing)

  • Asia Pacific (Osaka)

  • Africa (Cape Town)

  • Europe (Milan)

  • US East (Ohio)

  • Europe (Frankfurt)

  • US West (N. California)

  • Europe (London)

  • Asia Pacific (Sydney)

  • Asia Pacific (Tokyo)

  • Asia Pacific (Singapore)

  • Canada (Central)

  • Europe (Paris)

  • Europe (Stockholm)

  • South America (São Paulo)

  • Asia Pacific (Seoul)

  • Asia Pacific (Mumbai)

  • Asia Pacific (Hong Kong)

  • Middle East (Bahrain)

  • China (Ningxia)

  • China (Beijing)

  • Asia Pacific (Osaka)

  • Africa (Cape Town)

  • Europe (Milan)

1000

Concurrent pipe executions per account

  • US East (N. Virginia)

  • US West (Oregon)

  • Europe (Ireland)

3000

Pipes per account

All

1000