Signature

How to generate the authorization signature

The Signature component of the Authorization header is an HMAC-SHA256 digest of the elements described below

Element

Description

Request URI

Everything after the base URL, including query parameters if present.

Timestamp

Current UNIX epoch time in milliseconds

Request body

A minified JSON-serialized string of the request body. If a body is not required (e.g. request is of type GET), use an empty string.

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