# Reading the service version index file
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The service version index file is available in JSON format. To read the file, you can use a text program or an application that parses the JSON.

The service version index file consists of two main sections:
+ Metadata about the service version index file
+ List of all versions of price list files available for an AWS service

The information about a service version includes the URL that you can use to download the prices for that service for the specified time period.

**Topics**
+ [Service version index file for an AWS service](service-version-index-file-for-aws-service.md)
+ [Service version index file for Savings Plan](service-version-index-file-for-savings-plans.md)