Authentication

Updated on 2022-09-15 GMT+08:00

View PDF

Token authentication is required to call APIs.

Authentication using tokens: General requests are authenticated using tokens.

Token-based Authentication

NOTE:

The validity period of a token is 24 hours. If a token is required, the system caches the token to avoid frequent calling.

A token specifies temporary permissions in a computer system. Token-based authentication adds a token in a request as its header during API calling to obtain the permissions for operating APIs on IAM.

{ 
     "auth": { 
         "identity": { 
             "methods": [ 
                 "password" 
             ], 
             "password": { 
                 "user": { 
                     "name": "username", 
                     "password": "********", 
                     "domain": { 
                         "name": "domainname" 
                     } 
                 } 
             } 
         }, 
         "scope": { 
             "project": { 
                 "name": "xxxxxxxx" 
             } 
         } 
     } 
 }

In Making an API Request, the process of calling the API used to obtain a user token is described.

After obtaining the token, add the X-Auth-Token header in a request to specify the token when calling other APIs. For example, if the token is ABCDEFJ...., X-Auth-Token: ABCDEFJ.... can be added to a request as follows:

1 2	Content-Type: application/json X-Auth-Token: ABCDEFJ....

AK/SK-based Authentication

NOTE:

AK/SK-based authentication supports API requests with a body not larger than 12 MB. For API requests with a larger body, token-based authentication is recommended.

In AK/SK-based authentication, AK/SK is used to sign requests and the signature is then added to the requests for authentication.

AK: access key ID, which is a unique identifier associated with a secret access key and is used in conjunction with a secret access key to sign requests cryptographically.
SK: secret access key used in conjunction with an AK to sign requests cryptographically. It identifies a request sender and prevents the request from being modified.

In AK/SK-based authentication, you can use an AK/SK to sign requests based on the signature algorithm or use the signing SDK to sign requests. For details about how to sign requests or use the signing SDK, see API Request Signing Guide.

NOTICE:

The signing SDK is only used for signing requests and is different from the SDKs provided by services.

Parent topic: Calling APIs

Previous topic: Making an API Request

Next topic: Returned Values

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel