Amazon S3 Glacier
Developer Guide (API Version 2012-06-01)

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Common Response Headers

The following table describes response headers that are common to most API responses.

Name Description

The length in bytes of the response body.

Type: String


The date and time Amazon S3 Glacier (Glacier) responded, for example, Wed, 10 Feb 2017 12:00:00 GMT. The format of the date must be one of the full date formats specified by RFC 2616, section 3.3. Note that Date returned may drift slightly from other dates, so for example, the date returned from an Upload Archive (POST archive) request may not match the date shown for the archive in an inventory list for the vault.

Type: String


A value created by Glacier that uniquely identifies your request. In the event that you have a problem with Glacier, AWS can use this value to troubleshoot the problem. It is recommended that you log these values.

Type: String


The SHA256 tree-hash checksum of the archive or inventory body. For more information about calculating this checksum, see Computing Checksums.

Type: String