# Quotas for Amazon DataZone
<a name="datazone-limits"></a>

Your AWS account has default quotas, formerly referred to as limits, for each AWS service. Unless otherwise noted, each quota is region-specific.

Amazon DataZone has the following quotas and limits.

## Amazon DataZone quotas
<a name="limits-table"></a>


| Resource | Description | Value | 
| --- | --- | --- | 
| Data Asset Types | The maximum number of data asset types that can be created in a DataZone domain | 1000 | 
| Data assets | The maximum number of data assets that can be created in an Amazon DataZone domain | 1 million | 
| Glossaries | The maximum number of business glossaries you can create in a domain | 1000 | 
| Business glossary terms | The maximum number of total business glossary terms you can create in a domain | 10000 | 
| Environments in a domain | The maximum number of environments in an Amazon DataZone domain | 500 | 
| Number of asset filters per asset | The maximum number of asset filters per Amazon DataZone asset | 100 | 
| Number of filters per subscription | The maximum number of filters per Amazon DataZone subscription | 5 | 
| Domain units in a domain | The maximum number of domain units in an Amazon DataZone domain | 500 | 
| Hierarchy levels in a domain unit | The maximum number of hierarchy levels for a domain unit | 5 | 
| Grants per policy per domain unit | The maximum number of grants per policy per domain unit | 20 | 
| Data products | The maximum number of data products that can be created in a DataZone domain | 500,000 | 
| Data source runs | The maximum number of data source runs per data source per day | 25 | 

## Amazon DataZone API rate limits
<a name="api-limits-control"></a>

The following table describes rate limits for the Amazon DataZone APIs. These limits apply per AWS account per Region.


**Amazon DataZone API rate limits**  

| API | API rate limit | 
| --- | --- | 
| CreateGlossary | 5 transactions per second (TPS) | 
| UpdateGlossary | 20 TPS | 
| GetGlossary | 20 TPS | 
| DeleteGlossary | 20 TPS | 
| UpdateGlossaryTerm | 20 TPS | 
| DeleteGlossaryTerm | 20 TPS | 
| CreateAsset | 20 TPS | 
| ListAssetRevisions | 20 TPS | 
| CreateAssetRevision | 20 TPS | 
| DeleteAsset | 20 TPS | 
| CreateDataProduct | 20 TPS | 
| ListDataProductRevisions | 20 TPS | 
| CreateDataProductRevision | 20 TPS | 
| DeleteDataProduct | 20 TPS | 
| CreateAssetType | 20 TPS | 
| DeleteAssetType | 20 TPS | 
| CreateFormType | 20 TPS | 
| DeleteFormType | 20 TPS | 
| Search | 20 TPS | 
| SearchTypes | 20 TPS | 
| AcceptPredictions | 20 TPS | 
| RejectPredictions | 20 TPS | 
| AcceptSubscriptionRequest | 3 TPS | 
| CancelSubscription | 3 TPS | 
| CreateSubscriptionGrant | 3 TPS | 
| CreateSubscriptionRequest | 3 TPS | 
| GetSubscriptionEligibility | 30 TPS | 
| DeleteSubscriptionGrant | 3 TPS | 
| DeleteSubscriptionRequest | 3 TPS | 
| DeleteSubscriptionTarget | 3 TPS | 
| GetSubscription | 8 TPS | 
| GetSubscriptionGrant | 8 TPS | 
| GetSubscriptionRequestDetails | 8 TPS | 
| ListSubscriptionGrants | 8 TPS | 
| ListSubscriptionRequests | 8 TPS | 
| ListSubscriptions | 8 TPS | 
| ListSubscriptionTargets | 8 TPS | 
| RejectSubscriptionRequest | 3 TPS | 
| RevokeSubscription | 3 TPS | 
| UpdateSubscriptionRequest | 3 TPS | 
| UpdateSubscriptionTarget | 3 TPS | 
| CreateProjectProfile | 3 TPS | 
| UpdateProjectProfile | 3 TPS | 
| CreateDomain | 8 TPS | 
| UpdateDomain | 8 TPS | 
| CreateProject | 3 TPS | 
| UpdateProject | 3 TPS | 
| DeleteProject | 3 TPS | 
| ListProjects | 8 TPS | 
| CreateProjectMembership | 3 TPS | 
| ListProjectMemberships | 8 TPS | 
| DeleteProjectMembership | 3 TPS | 
| CreateEnvironment | 3 TPS | 
| DeleteEnvironment | 3 TPS | 
| UpdateEnvironment | 3 TPS | 
| ListEnvironments | 8 TPS | 
| GetEnvironment | 8 TPS | 
| GetEnvironmentCredentials | 8 TPS | 
| CreateEnvironmentProfile | 8 TPS | 
| ListEnvironmentProfiles | 8 TPS | 
| ListEnvironmentBlueprints | 8 TPS | 
| PutEnvironmentBlueprintConfiguration | 10 TPS | 
| StartMetadataGenerationRun | 10 TPS | 
| CancelMetadataGenerationRun | 20 TPS | 
| CreateDomainUnit | 20 TPS | 
| AddPolicyGrant | 20 TPS | 
| AddEntityOwner | 20 TPS | 
| CreateRule | 20 TPS | 
| UpdateRule | 20 TPS | 
| CreateDataSource | 20 TPS | 
| UpdateDataSource | 20 TPS | 
| DeleteDataSource | 20 TPS | 
| ListDataSources | 20 TPS | 
| SearchListings | 16 TPS | 
| StartDataSourceRun | 20 TPS | 
| UpdateDataSourceRunActivities | 20 TPS | 
| PostLineageEvent | 20 TPS | 
| CreateConnection | 20 TPS | 
| UpdateConnection | 20 TPS | 
| GetConnection | 20 TPS | 
| ListConnections | 20 TPS | 
| DeleteConnection | 20 TPS | 
| CreateListingChangeSet | 20 TPS |