# CostOptimizationHubReadOnlyAccess
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**Description**: This managed policy provides read-only access to Cost Optimization Hub.

`CostOptimizationHubReadOnlyAccess` is an [AWS managed policy](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies).

## Using this policy
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You can attach `CostOptimizationHubReadOnlyAccess` to your users, groups, and roles.

## Policy details
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+ **Type**: AWS managed policy 
+ **Creation time**: December 13, 2023, 18:04 UTC 
+ **Edited time:** February 12, 2026, 18:00 UTC
+ **ARN**: `arn:aws:iam::aws:policy/CostOptimizationHubReadOnlyAccess`

## Policy version
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**Policy version:** v4 (default)

The policy's default version is the version that defines the permissions for the policy. When a user or role with the policy makes a request to access an AWS resource, AWS checks the default version of the policy to determine whether to allow the request. 

## JSON policy document
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```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "CostOptimizationHubReadOnlyAccess",
      "Effect" : "Allow",
      "Action" : [
        "cost-optimization-hub:ListEnrollmentStatuses",
        "cost-optimization-hub:GetPreferences",
        "cost-optimization-hub:GetRecommendation",
        "cost-optimization-hub:ListRecommendations",
        "cost-optimization-hub:ListRecommendationSummaries",
        "cost-optimization-hub:ListEfficiencyMetrics"
      ],
      "Resource" : "*"
    }
  ]
}
```

## Learn more
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+ [Create a permission set using AWS managed policies in IAM Identity Center](https://docs.aws.amazon.com/singlesignon/latest/userguide/howtocreatepermissionset.html) 
+ [Adding and removing IAM identity permissions](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_manage-attach-detach.html) 
+ [Understand versioning for IAM policies](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [Get started with AWS managed policies and move toward least-privilege permissions](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)