As an alternative to the AWS method of authentication, you can use the HCP method. You might choose to do this, for example, if you’re writing an application that uses both the S3 compatible API and the REST API. With the REST API, HCP supports only its own authentication method.
With HCP authentication, the format of the URLs you use in S3 compatible requests differs from the format used with AWS authentication.
This
For information about AWS authentication and the URLs you can use with that authentication method, see Access and authentication.
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