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CreateKeyPair

Last updated: 2024-10-22 19:32:48

    1. API Description

    Domain name for API request: cvm.tencentcloudapi.com.

    This API is used to create an OpenSSH RSA key pair, which you can use to log in to a Linux instance.

    • You only need to specify a name, and the system will automatically create a key pair and return its ID and the public and private keys.
    • The name of the key pair must be unique.
    • You can save the private key to a file and use it as an authentication method for SSH.
    • Tencent Cloud does not save users' private keys. Be sure to save it yourself.

    A maximum of 10 requests can be initiated per second for this API.

    We recommend you to use API Explorer
    Try it
    API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

    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 Params. The value used for this API: CreateKeyPair.
    Version Yes String Common Params. The value used for this API: 2017-03-12.
    Region Yes String Common Params. For more information, please see the list of regions supported by the product.
    KeyName Yes String Name of the key pair, which can contain numbers, letters, and underscores, with a maximum length of 25 characters.
    ProjectId Yes Integer ID of the project to which the created key pair belongs.

    You can obtain a project ID in the following ways:
  • Query the project ID through the project list.
  • Call the DescribeProjects API and obtain the projectId from the return information.
    		•
    TagSpecification.N No Array of TagSpecification Tag description list. This parameter is used to bind a tag to a key pair.

    3. Output Parameters

    Parameter Name Type Description
    KeyPair KeyPair Key pair information.
    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Example1 Creating a Key Pair

    Input Example

    POST / HTTP/1.1
Host: cvm.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: CreateKeyPair
<Common request parameters>



{
    "ProjectId": 0,
    "KeyName": "Tencent"
}

    Output Example

    {
    "Response": {
        "KeyPair": {
            "KeyId": "skey-mv9yzyjj",
            "KeyName": "Tencent",
            "ProjectId": 0,
            "PublicKey": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDP0Yw2T4itUKOJQIK69c1Asy1UO88cxEbujR5Jbr0e/Ey1v4ZKAUzDnsBnFlf4hKPA1YvMB8RBYj4GcLtM7PrKnBNNram8rgl73X/klOO8oqKv+J/XUA7KHH1Y6wcn1RTRTMdDHbGhW1q/UpfeylNTbf+wEIWhEfaL5FKQm4hqCw== skey_112168",
            "PrivateKey": "-----BEGIN RSA PRIVATE KEY-----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\n/oxijESOLAJBnt3S/g+D530Enjitvfc9mEB7mh0VmwWvPg==\n-----END RSA PRIVATE KEY-----\n"
        },
        "RequestId": "6ef60bec-0242-43af-bb20-270359fb54a7"
    }
}

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    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
    FailedOperation.TagKeyReserved The tag key specified in the request is reserved for the system.
    InternalServerError Internal error.
    InvalidKeyPair.LimitExceeded The number of key pairs exceeds the limit.
    InvalidKeyPairName.Duplicate Key pair name already exists.
    InvalidKeyPairNameEmpty The key name cannot be empty.
    InvalidKeyPairNameIncludeIllegalChar The key name contains invalid characters. Key names can only contain letters, numbers and underscores.
    InvalidKeyPairNameTooLong The key name cannot exceed 25 characters.
    InvalidParameterValue Incorrect parameter value.
    InvalidProjectId.NotFound Invalid project ID: the specified project ID does not exist.
    LimitExceeded.TagResourceQuota Exceeded the upper limit of resources bound to the tag.
    MissingParameter Missing parameter.
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