> For the complete documentation index, see [llms.txt](https://awsnotes.dendron.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsnotes.dendron.so/storage/amazon-s3-glacier/topics/api-reference.md).

# API Reference

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This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/amazon-glacier-developer-guide.git)
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## Computing Checksums

* **Note**\
  This section describes a way to compute the SHA-256 tree hash. However, you may use any procedure as long as it produces the same result.