Response

Updated on 2024-03-14 GMT+08:00

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Status Code

After sending a request, you will receive a response, including a status code, response header, and response body.

A status code is a group of digits, ranging from 1xx to 5xx. It indicates the status of a request. For more information, see Status Codes.

For example, if status code 201 is returned for calling the API used to obtain a user token, the request is successful.

Response Header

Similar to a request, a response also has a header, for example, Content-Type.

Figure 1 shows the response header fields for the API used to obtain a user token. The X-Subject-Token header field is the desired user token. This token can then be used to authenticate the calling of other APIs.

NOTE:

For security purposes, you are advised to set the token in ciphertext in configuration files or environment variables and decrypt it when using it.

Figure 1 Header fields of the response to the request for obtaining a user token

(Optional) Response Body

The body of a response is often returned in a structured format (for example, JSON or XML) as specified in the Content-Type header field. The response body transfers content except the response header.

The following is part of the response body for the API used to obtain a user token.

    
     
       
       {
    "token": {
        "expires_at": "2019-02-13T06:52:13.855000Z",
        "methods": [
            "password"
        ],
        "catalog": [
            {
                "endpoints": [
                    {
                        "region_id": "az-01",
......

      

    
   

If an error occurs during API calling, an error code and a message will be displayed. The following shows an error response body.

    
       {
    "error_msg": "The request message format is invalid.",
    "error_code": "IMG.0001"
}

In the response body, error_code is an error code, and error_msg provides information about the error.

Parent Topic: Calling APIs

Previous topic: Authentication

Next topic: Application Examples

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