# Data retrieval APIs for Amazon Elastic Container Registry Public
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Amazon Elastic Container Registry Public provides the following APIs for data retrieval.


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| Actions | Description | Access level | 
| --- | --- | --- | 
| <a name="ecr-public-BatchCheckLayerAvailability"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_BatchCheckLayerAvailability.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_BatchCheckLayerAvailability.html) | Check the availability of multiple image layers in a specified registry and repository | Read | 
| <a name="ecr-public-DescribeImageTags"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeImageTags.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeImageTags.html) | Describe all the image tags for a given repository | List | 
| <a name="ecr-public-DescribeImages"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeImages.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeImages.html) | Get metadata about the images in a repository, including image size, image tags, and creation date | Read | 
| <a name="ecr-public-DescribeRegistries"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeRegistries.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeRegistries.html) | Retrieve the catalog data associated with a registry | List | 
| <a name="ecr-public-DescribeRepositories"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeRepositories.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_DescribeRepositories.html) | Describe image repositories in a registry | List | 
| <a name="ecr-public-GetAuthorizationToken"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetAuthorizationToken.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetAuthorizationToken.html) | Retrieve a token that is valid for a specified registry for 12 hours | Read | 
| <a name="ecr-public-GetRegistryCatalogData"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRegistryCatalogData.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRegistryCatalogData.html) | Retrieve the catalog data associated with a registry | Read | 
| <a name="ecr-public-GetRepositoryCatalogData"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRepositoryCatalogData.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRepositoryCatalogData.html) | Retrieve the catalog data associated with a repository | Read | 
| <a name="ecr-public-GetRepositoryPolicy"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRepositoryPolicy.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_GetRepositoryPolicy.html) | Retrieve the repository policy for a specified repository | Read | 
| <a name="ecr-public-ListTagsForResource"></a>[https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_ListTagsForResource.html](https://docs.aws.amazon.com/AmazonECRPublic/latest/APIReference/API_ListTagsForResource.html) | List the tags for an Amazon ECR resource | Read |