Quotas and restrictions

The following table describes the current quotas, restrictions, and naming constraints within AWS Billing and Cost Management.

Budgets

Number of free budgets per account	2
Total number of budgets per management account	20,000
Characters allowed in a budget name	0-9 A-Z and a-z Space The following symbols: _.:/=+-%@

Budget reports

Maximum number of budget reports	50
Maximum number of budgets per budget report	50
Maximum email recipients in a budget report	50

AWS Cost Categories

Total number of AWS Cost Categories per management account	50
Number of Cost Category rules per Cost Category (API)	500
Number of Cost Category rules per Cost Category (UI)	100
Names	Names must be unique Case sensitive
value names	Names do not have to be unique
Characters allowed in a name and value name	Numbers: 0-9 Unicode letters Space, if it's not used at the beginning or end of the name The following symbols: _ -

Cost Explorer

Maximum number of reports that you can save per account	50
Maximum number of filters in the GetCostAndUsage operation (API)	100

Purchase orders

Characters allowed in a purchase order ID	A-Z and a-z Space The following symbols: _.:/=+-%@
Number of characters allowed in a purchase order ID	100
Number of line items per purchase order	100

AWS Cost Anomaly Detection

The maximum number of monitors you can create for an AWS service monitor type	1 monitor per management account
The maximum number of monitors you can create for other monitor types (member account, cost category, cost allocation tag)	100 total monitors per management account
Unsupported services	AWS Marketplace AWS Support Amazon WorkSpaces Cost Explorer; Budgets AWS Shield Amazon Route 53 AWS Certificate Manager Upfront and recurring reserved fee and Savings Plan fees