Amazon Cloud Directory will no longer be open to new customers starting on November 7, 2025. For alternatives to Cloud Directory, explore [Amazon DynamoDB](https://aws.amazon.com/dynamodb/) and [Amazon Neptune](https://aws.amazon.com/neptune/). If you need help choosing the right alternative for your use case, or for any other questions, contact [AWS Support](https://aws.amazon.com/support/).

# Document History


The following table describes the important changes to the documentation in this release of the Amazon Cloud Directory API Reference.
+ **Latest documentation update: **May 23, 2018


| Change | Description | Release Date | 
| --- | --- | --- | 
| Typed links | Added the [GetLinkAttributes](API_GetLinkAttributes.md) and [UpdateLinkAttributes](API_UpdateLinkAttributes.md) APIs for [Typed Links](http://docs.aws.amazon.com/directoryservice/latest/admin-guide/objectsandlinks.html#typedlink). | May 23, 2018 | 
| New API | Added the [GetObjectAttributes](API_GetObjectAttributes.md) API. | April 10, 2018 | 
| In-Place Schema Upgrade | Added new APIs to support [In-Place Schema Upgrade](https://docs.aws.amazon.com/directoryservice/latest/admin-guide/inplaceschemaupgrade.html) feature. | December 6, 2017 | 
| Batch updates | Added several new Read and Write batch operation APIs | July 25, 2017 | 
| Typed links | Additional APIs for new [Typed Links](http://docs.aws.amazon.com/directoryservice/latest/admin-guide/objectsandlinks.html#typedlink) feature | May 31, 2017 | 
| New guide | This is the first release of the Amazon Cloud Directory API Reference Guide. | January 26, 2017 |