Last updated: 2020-07-03 11:38:40

    1. API Description

    Domain name for API request:

    This API is used to request for the temporary security credentials of a role.

    A maximum of 600 requests can be initiated per second for this API.

    Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example:

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    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common parameter. The value used for this API: AssumeRole.
    Version Yes String Common parameter. The value used for this API: 2018-08-13.
    Region Yes String Common parameter. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-beijing, ap-chengdu, ap-chongqing, ap-guangzhou, ap-guangzhou-open, ap-hangzhou-ec, ap-hongkong, ap-jinan-ec, ap-mumbai, ap-nanjing, ap-seoul, ap-shanghai, ap-shanghai-fsi, ap-shenzhen-fsi, ap-singapore, ap-taipei, ap-tianjin, ap-tokyo, eu-frankfurt, eu-moscow, na-ashburn, na-siliconvalley, na-toronto
    RoleArn Yes String Role resource description, such as qcs::cam::uin/12345678:role/4611686018427397919, qcs::cam::uin/12345678:roleName/testRoleName
    RoleSessionName Yes String User-defined temporary session name
    DurationSeconds No Integer Specifies the validity period of credentials in seconds. Default value: 7200. Maximum value: 43200
    Policy No String Policy description
    1. The policy needs to be URL-encoded (if you request a TencentCloud API through the GET method, all parameters must be URL-encoded again in accordance with Signature v3 before the request is sent).
    2. For the policy syntax, please see CAM’s Syntax Logic.
    3. The policy cannot contain the principal element.

    3. Output Parameters

    Parameter Name Type Description
    Credentials Credentials Temporary security credentials
    ExpiredTime Integer Credentials expiration time. A Unix timestamp will be returned which is accurate to the second
    Expiration String Credentials expiration time in UTC time in ISO 8601 format.
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Requesting for the temporary security credentials of a role.

    Input Example
    &<Common request parameters>

    Output Example

      "Response": {
        "Credentials": {
          "Token": "da1e9d2ee9dda83506832d5ecb903b790132dfe340001",
          "TmpSecretId": "AKID65zyIP0mpXtaIFqt2SlWIQVMn1umNH58",
          "TmpSecretKey": "q95K84wrzuEGocfy39zg52boxvp71yoh"
        "ExpiredTime": 1543914376,
        "Expiration": "2018-12-04T09:06:16Z",
        "RequestId": "4daec797-9cd2-4f09-9e7a-7d4c43b2a74c"

    5. Developer Resources

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    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    InternalError.DbError Database error.
    InternalError.EncryptError Encryption failed.
    InternalError.GetAppIdError Failed to get the appid.
    InternalError.GetRoleError Failed to get the role.
    InternalError.GetSeedTokenError Failed to obtain the seed token.
    InternalError.IllegalRole Invalid role.
    InternalError.PbSerializeError pb packaging failed.
    InternalError.SystemError Internal error.
    InternalError.UnknownError Unknown error.
    InvalidParameter.AccountNotAvaliable The account does not exist or is unavailable.
    InvalidParameter.ExtendStrategyOverSize The extension policy is too large.
    InvalidParameter.GrantOtherResource Unauthorized access to the resource.
    InvalidParameter.OverLimit Frequency limit exceeded.
    InvalidParameter.OverTimeError The expiration time exceeds the threshold.
    InvalidParameter.ParamError Invalid parameter.
    InvalidParameter.PolicyTooLong The policy is too long.
    InvalidParameter.ResouceError Resource error.
    InvalidParameter.StrategyFormatError Policy syntax error.
    InvalidParameter.StrategyInvalid Invalid policy.
    InvalidParameter.TempCodeNotAvaliable Invalid TCB temp code.
    ResourceNotFound.RoleNotFound The role corresponding to the account does not exist.
    UnauthorizedOperation Unauthorized operation.