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{"openapi":"3.0.0","info":{"version":"2011-06-15","x-release":"v4","title":"AWS Security Token Service","description":"<fullname>Security Token Service</fullname> Security Token Service (STS) enables you to request temporary, limited-privilege credentials for users. This guide provides descriptions of the STS API. For more information about using this service, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp.html\">Temporary Security Credentials</a>.","x-logo":{"url":"https://twitter.com/awscloud/profile_image?size=original","backgroundColor":"#FFFFFF"},"termsOfService":"https://aws.amazon.com/service-terms/","contact":{"name":"Mike Ralphson","email":"mike.ralphson@gmail.com","url":"https://github.com/mermade/aws2openapi","x-twitter":"PermittedSoc"},"license":{"name":"Apache 2.0 License","url":"http://www.apache.org/licenses/"},"x-providerName":"amazonaws.com","x-serviceName":"sts","x-origin":[{"contentType":"application/json","url":"https://raw.githubusercontent.com/aws/aws-sdk-js/master/apis/sts-2011-06-15.normal.json","converter":{"url":"https://github.com/mermade/aws2openapi","version":"1.0.0"},"x-apisguru-driver":"external"}],"x-apiClientRegistration":{"url":"https://portal.aws.amazon.com/gp/aws/developer/registration/index.html?nc2=h_ct"},"x-apisguru-categories":["cloud"],"x-preferred":true},"externalDocs":{"description":"Amazon Web Services documentation","url":"https://docs.aws.amazon.com/sts/"},"servers":[{"url":"https://sts.amazonaws.com","variables":{},"description":"The general AWS STS multi-region endpoint"},{"url":"http://sts.{region}.amazonaws.com","variables":{"region":{"description":"The AWS region","enum":["us-gov-west-1","us-gov-east-1"],"default":"us-gov-west-1"}},"description":"The AWS STS endpoint for AWS GovCloud (US) and AWS GovCloud (US-East)"},{"url":"https://sts.{region}.amazonaws.com","variables":{"region":{"description":"The AWS region","enum":["us-gov-west-1","us-gov-east-1"],"default":"us-gov-west-1"}},"description":"The AWS STS endpoint for AWS GovCloud (US) and AWS GovCloud (US-East)"},{"url":"http://sts.{region}.amazonaws.com.cn","variables":{"region":{"description":"The AWS region","enum":["cn-north-1","cn-northwest-1"],"default":"cn-north-1"}},"description":"The AWS STS endpoint for China (Beijing) and China (Ningxia)"},{"url":"https://sts.{region}.amazonaws.com.cn","variables":{"region":{"description":"The AWS region","enum":["cn-north-1","cn-northwest-1"],"default":"cn-north-1"}},"description":"The AWS STS endpoint for China (Beijing) and China (Ningxia)"}],"x-hasEquivalentPaths":true,"paths":{"/#Action=AssumeRole":{"get":{"x-aws-operation-name":"AssumeRole","operationId":"GET_AssumeRole","description":"Returns a set of temporary security credentials that you can use to access Amazon Web Services resources. These temporary credentials consist of an access key ID, a secret access key, and a security token. Typically, you use <code>AssumeRole</code> within your account or for cross-account access. For a comparison of <code>AssumeRole</code> with other API operations that produce temporary credentials, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html\">Requesting Temporary Security Credentials</a> and <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison\">Comparing the Amazon Web Services STS API operations</a> in the IAM User Guide. Permissions The temporary security credentials created by <code>AssumeRole</code> can be used to make API calls to any Amazon Web Services service with the following exception: You cannot call the Amazon Web Services STS <code>GetFederationToken</code> or <code>GetSessionToken</code> API operations. (Optional) You can pass inline or managed <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">session policies</a> to this operation. You can pass a single JSON policy document to use as an inline session policy. You can also specify up to 10 managed policy Amazon Resource Names (ARNs) to use as managed session policies. The plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide. When you create a role, you create two policies: a role trust policy that specifies who can assume the role, and a permissions policy that specifies what can be done with the role. You specify the trusted principal that is allowed to assume the role in the role trust policy. To assume a role from a different account, your Amazon Web Services account must be trusted by the role. The trust relationship is defined in the role's trust policy when the role is created. That trust policy states which accounts are allowed to delegate that access to users in the account. A user who wants to access a role in a different account must also have permissions that are delegated from the account administrator. The administrator must attach a policy that allows the user to call <code>AssumeRole</code> for the ARN of the role in the other account. To allow a user to assume a role in the same account, you can do either of the following: <ul> <li> Attach a policy to the user that allows the user to call <code>AssumeRole</code> (as long as the role's trust policy trusts the account). </li> <li> Add the user as a principal directly in the role's trust policy. </li> </ul> You can do either because the role’s trust policy acts as an IAM resource-based policy. When a resource-based policy grants access to a principal in the same account, no additional identity-based policy is required. For more information about trust policies and resource-based policies, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html\">IAM Policies</a> in the IAM User Guide. Tags (Optional) You can pass tag key-value pairs to your session. These tags are called session tags. For more information about session tags, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html\">Passing Session Tags in STS</a> in the IAM User Guide. An administrator must grant you the permissions necessary to pass session tags. The administrator can also create granular permissions to allow you to pass only specific session tags. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html\">Tutorial: Using Tags for Attribute-Based Access Control</a> in the IAM User Guide. You can set the session tags as transitive. Transitive tags persist during role chaining. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining\">Chaining Roles with Session Tags</a> in the IAM User Guide. Using MFA with AssumeRole (Optional) You can include multi-factor authentication (MFA) information when you call <code>AssumeRole</code>. This is useful for cross-account scenarios to ensure that the user that assumes the role has been authenticated with an Amazon Web Services MFA device. In that scenario, the trust policy of the role being assumed includes a condition that tests for MFA authentication. If the caller does not include valid MFA information, the request to assume the role is denied. The condition in a trust policy that tests for MFA authentication might look like the following example. <code>\"Condition\": {\"Bool\": {\"aws:MultiFactorAuthPresent\": true}}</code> For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/MFAProtectedAPI.html\">Configuring MFA-Protected API Access</a> in the IAM User Guide guide. To use MFA with <code>AssumeRole</code>, you pass values for the <code>SerialNumber</code> and <code>TokenCode</code> parameters. The <code>SerialNumber</code> value identifies the user's hardware or virtual MFA device. The <code>TokenCode</code> is the time-based one-time password (TOTP) that the MFA device produces. ","responses":{"200":{"description":"Success","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/AssumeRoleResponse"}}}},"480":{"description":"MalformedPolicyDocumentException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/MalformedPolicyDocumentException"}}}},"481":{"description":"PackedPolicyTooLargeException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/PackedPolicyTooLargeException"}}}},"482":{"description":"RegionDisabledException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/RegionDisabledException"}}}},"483":{"description":"ExpiredTokenException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/ExpiredTokenException"}}}}},"parameters":[{"name":"RoleArn","in":"query","required":true,"description":"The Amazon Resource Name (ARN) of the role to assume.","schema":{"type":"string","pattern":"[\\u0009\\u000A\\u000D\\u0020-\\u007E\\u0085\\u00A0-\\uD7FF\\uE000-\\uFFFD\\u10000-\\u10FFFF]+","minLength":20,"maxLength":2048}},{"name":"RoleSessionName","in":"query","required":true,"description":"An identifier for the assumed role session. Use the role session name to uniquely identify a session when the same role is assumed by different principals or for different reasons. In cross-account scenarios, the role session name is visible to, and can be logged by the account that owns the role. The role session name is also used in the ARN of the assumed role principal. This means that subsequent cross-account API requests that use the temporary security credentials will expose the role session name to the external account in their CloudTrail logs. The regex used to validate this parameter is a string of characters consisting of upper- and lower-case alphanumeric characters with no spaces. You can also include underscores or any of the following characters: =,.@-","schema":{"type":"string","pattern":"[\\w+=,.@-]*","minLength":2,"maxLength":64}},{"name":"PolicyArns","in":"query","required":false,"description":"The Amazon Resource Names (ARNs) of the IAM managed policies that you want to use as managed session policies. The policies must exist in the same account as the role. This parameter is optional. You can provide up to 10 managed policy ARNs. However, the plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. For more information about ARNs, see <a href=\"https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html\">Amazon Resource Names (ARNs) and Amazon Web Services Service Namespaces</a> in the Amazon Web Services General Reference. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note> Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide.","schema":{"type":"array","items":{"$ref":"#/components/schemas/PolicyDescriptorType"}}},{"name":"Policy","in":"query","required":false,"description":"An IAM policy in JSON format that you want to use as an inline session policy. This parameter is optional. Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide. The plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. The JSON policy characters can be any ASCII character from the space character to the end of the valid character list (\\u0020 through \\u00FF). It can also include the tab (\\u0009), linefeed (\\u000A), and carriage return (\\u000D) characters. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note>","schema":{"type":"string","pattern":"[\\u0009\\u000A\\u000D\\u0020-\\u00FF]+","minLength":1,"maxLength":2048}},{"name":"DurationSeconds","in":"query","required":false,"description":"The duration, in seconds, of the role session. The value specified can range from 900 seconds (15 minutes) up to the maximum session duration set for the role. The maximum session duration setting can have a value from 1 hour to 12 hours. If you specify a value higher than this setting or the administrator setting (whichever is lower), the operation fails. For example, if you specify a session duration of 12 hours, but your administrator set the maximum session duration to 6 hours, your operation fails. Role chaining limits your Amazon Web Services CLI or Amazon Web Services API role session to a maximum of one hour. When you use the <code>AssumeRole</code> API operation to assume a role, you can specify the duration of your role session with the <code>DurationSeconds</code> parameter. You can specify a parameter value of up to 43200 seconds (12 hours), depending on the maximum session duration setting for your role. However, if you assume a role using role chaining and provide a <code>DurationSeconds</code> parameter value greater than one hour, the operation fails. To learn how to view the maximum value for your role, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html#id_roles_use_view-role-max-session\">View the Maximum Session Duration Setting for a Role</a> in the IAM User Guide. By default, the value is set to <code>3600</code> seconds. <note> The <code>DurationSeconds</code> parameter is separate from the duration of a console session that you might request using the returned credentials. The request to the federation endpoint for a console sign-in token takes a <code>SessionDuration</code> parameter that specifies the maximum length of the console session. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_enable-console-custom-url.html\">Creating a URL that Enables Federated Users to Access the Amazon Web Services Management Console</a> in the IAM User Guide. </note>","schema":{"type":"integer","minimum":900,"maximum":43200}},{"name":"Tags","in":"query","required":false,"description":"A list of session tags that you want to pass. Each session tag consists of a key name and an associated value. For more information about session tags, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html\">Tagging Amazon Web Services STS Sessions</a> in the IAM User Guide. This parameter is optional. You can pass up to 50 session tags. The plaintext session tag keys can’t exceed 128 characters, and the values can’t exceed 256 characters. For these and additional limits, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length\">IAM and STS Character Limits</a> in the IAM User Guide. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note> You can pass a session tag with the same key as a tag that is already attached to the role. When you do, session tags override a role tag with the same key. Tag key–value pairs are not case sensitive, but case is preserved. This means that you cannot have separate <code>Department</code> and <code>department</code> tag keys. Assume that the role has the <code>Department</code>=<code>Marketing</code> tag and you pass the <code>department</code>=<code>engineering</code> session tag. <code>Department</code> and <code>department</code> are not saved as separate tags, and the session tag passed in the request takes precedence over the role tag. Additionally, if you used temporary credentials to perform this operation, the new session inherits any transitive session tags from the calling session. If you pass a session tag with the same key as an inherited tag, the operation fails. To view the inherited tags for a session, see the CloudTrail logs. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_ctlogs\">Viewing Session Tags in CloudTrail</a> in the IAM User Guide.","schema":{"type":"array","items":{"$ref":"#/components/schemas/Tag"},"maxItems":50}},{"name":"TransitiveTagKeys","in":"query","required":false,"description":"A list of keys for session tags that you want to set as transitive. If you set a tag key as transitive, the corresponding key and value passes to subsequent sessions in a role chain. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining\">Chaining Roles with Session Tags</a> in the IAM User Guide. This parameter is optional. When you set session tags as transitive, the session policy and session tags packed binary limit is not affected. If you choose not to specify a transitive tag key, then no tags are passed from this session to any subsequent sessions.","schema":{"type":"array","items":{"$ref":"#/components/schemas/tagKeyType"},"maxItems":50}},{"name":"ExternalId","in":"query","required":false,"description":"A unique identifier that might be required when you assume a role in another account. If the administrator of the account to which the role belongs provided you with an external ID, then provide that value in the <code>ExternalId</code> parameter. This value can be any string, such as a passphrase or account number. A cross-account role is usually set up to trust everyone in an account. Therefore, the administrator of the trusting account might send an external ID to the administrator of the trusted account. That way, only someone with the ID can assume the role, rather than everyone in the account. For more information about the external ID, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_create_for-user_externalid.html\">How to Use an External ID When Granting Access to Your Amazon Web Services Resources to a Third Party</a> in the IAM User Guide. The regex used to validate this parameter is a string of characters consisting of upper- and lower-case alphanumeric characters with no spaces. You can also include underscores or any of the following characters: =,.@:/-","schema":{"type":"string","pattern":"[\\w+=,.@:\\/-]*","minLength":2,"maxLength":1224}},{"name":"SerialNumber","in":"query","required":false,"description":"The identification number of the MFA device that is associated with the user who is making the <code>AssumeRole</code> call. Specify this value if the trust policy of the role being assumed includes a condition that requires MFA authentication. The value is either the serial number for a hardware device (such as <code>GAHT12345678</code>) or an Amazon Resource Name (ARN) for a virtual device (such as <code>arn:aws:iam::123456789012:mfa/user</code>). The regex used to validate this parameter is a string of characters consisting of upper- and lower-case alphanumeric characters with no spaces. You can also include underscores or any of the following characters: =,.@-","schema":{"type":"string","pattern":"[\\w+=/:,.@-]*","minLength":9,"maxLength":256}},{"name":"TokenCode","in":"query","required":false,"description":"The value provided by the MFA device, if the trust policy of the role being assumed requires MFA. (In other words, if the policy includes a condition that tests for MFA). If the role being assumed requires MFA and if the <code>TokenCode</code> value is missing or expired, the <code>AssumeRole</code> call returns an \"access denied\" error. The format for this parameter, as described by its regex pattern, is a sequence of six numeric digits.","schema":{"type":"string","pattern":"[\\d]*","minLength":6,"maxLength":6}},{"name":"SourceIdentity","in":"query","required":false,"description":"The source identity specified by the principal that is calling the <code>AssumeRole</code> operation. You can require users to specify a source identity when they assume a role. You do this by using the <code>sts:SourceIdentity</code> condition key in a role trust policy. You can use source identity information in CloudTrail logs to determine who took actions with a role. You can use the <code>aws:SourceIdentity</code> condition key to further control access to Amazon Web Services resources based on the value of source identity. For more information about using source identity, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_control-access_monitor.html\">Monitor and control actions taken with assumed roles</a> in the IAM User Guide. The regex used to validate this parameter is a string of characters consisting of upper- and lower-case alphanumeric characters with no spaces. You can also include underscores or any of the following characters: =,.@-. You cannot use a value that begins with the text <code>aws:</code>. This prefix is reserved for Amazon Web Services internal use.","schema":{"type":"string","pattern":"[\\w+=,.@-]*","minLength":2,"maxLength":64}},{"name":"ProvidedContexts","in":"query","required":false,"description":"Reserved for future use.","schema":{"type":"array","items":{"$ref":"#/components/schemas/ProvidedContext"},"maxItems":5}},{"name":"Action","in":"query","required":true,"schema":{"type":"string","enum":["AssumeRole"]}},{"name":"Version","in":"query","required":true,"schema":{"type":"string","enum":["2011-06-15"]}}]},"parameters":[{"$ref":"#/components/parameters/X-Amz-Content-Sha256"},{"$ref":"#/components/parameters/X-Amz-Date"},{"$ref":"#/components/parameters/X-Amz-Algorithm"},{"$ref":"#/components/parameters/X-Amz-Credential"},{"$ref":"#/components/parameters/X-Amz-Security-Token"},{"$ref":"#/components/parameters/X-Amz-Signature"},{"$ref":"#/components/parameters/X-Amz-SignedHeaders"}],"post":{"x-aws-operation-name":"AssumeRole","operationId":"POST_AssumeRole","description":"Returns a set of temporary security credentials that you can use to access Amazon Web Services resources. These temporary credentials consist of an access key ID, a secret access key, and a security token. Typically, you use <code>AssumeRole</code> within your account or for cross-account access. For a comparison of <code>AssumeRole</code> with other API operations that produce temporary credentials, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html\">Requesting Temporary Security Credentials</a> and <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison\">Comparing the Amazon Web Services STS API operations</a> in the IAM User Guide. Permissions The temporary security credentials created by <code>AssumeRole</code> can be used to make API calls to any Amazon Web Services service with the following exception: You cannot call the Amazon Web Services STS <code>GetFederationToken</code> or <code>GetSessionToken</code> API operations. (Optional) You can pass inline or managed <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">session policies</a> to this operation. You can pass a single JSON policy document to use as an inline session policy. You can also specify up to 10 managed policy Amazon Resource Names (ARNs) to use as managed session policies. The plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide. When you create a role, you create two policies: a role trust policy that specifies who can assume the role, and a permissions policy that specifies what can be done with the role. You specify the trusted principal that is allowed to assume the role in the role trust policy. To assume a role from a different account, your Amazon Web Services account must be trusted by the role. The trust relationship is defined in the role's trust policy when the role is created. That trust policy states which accounts are allowed to delegate that access to users in the account. A user who wants to access a role in a different account must also have permissions that are delegated from the account administrator. The administrator must attach a policy that allows the user to call <code>AssumeRole</code> for the ARN of the role in the other account. To allow a user to assume a role in the same account, you can do either of the following: <ul> <li> Attach a policy to the user that allows the user to call <code>AssumeRole</code> (as long as the role's trust policy trusts the account). </li> <li> Add the user as a principal directly in the role's trust policy. </li> </ul> You can do either because the role’s trust policy acts as an IAM resource-based policy. When a resource-based policy grants access to a principal in the same account, no additional identity-based policy is required. For more information about trust policies and resource-based policies, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html\">IAM Policies</a> in the IAM User Guide. Tags (Optional) You can pass tag key-value pairs to your session. These tags are called session tags. For more information about session tags, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html\">Passing Session Tags in STS</a> in the IAM User Guide. An administrator must grant you the permissions necessary to pass session tags. The administrator can also create granular permissions to allow you to pass only specific session tags. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html\">Tutorial: Using Tags for Attribute-Based Access Control</a> in the IAM User Guide. You can set the session tags as transitive. Transitive tags persist during role chaining. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining\">Chaining Roles with Session Tags</a> in the IAM User Guide. Using MFA with AssumeRole (Optional) You can include multi-factor authentication (MFA) information when you call <code>AssumeRole</code>. This is useful for cross-account scenarios to ensure that the user that assumes the role has been authenticated with an Amazon Web Services MFA device. In that scenario, the trust policy of the role being assumed includes a condition that tests for MFA authentication. If the caller does not include valid MFA information, the request to assume the role is denied. The condition in a trust policy that tests for MFA authentication might look like the following example. <code>\"Condition\": {\"Bool\": {\"aws:MultiFactorAuthPresent\": true}}</code> For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/MFAProtectedAPI.html\">Configuring MFA-Protected API Access</a> in the IAM User Guide guide. To use MFA with <code>AssumeRole</code>, you pass values for the <code>SerialNumber</code> and <code>TokenCode</code> parameters. The <code>SerialNumber</code> value identifies the user's hardware or virtual MFA device. The <code>TokenCode</code> is the time-based one-time password (TOTP) that the MFA device produces. ","responses":{"200":{"description":"Success","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/AssumeRoleResponse"}}}},"480":{"description":"MalformedPolicyDocumentException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/MalformedPolicyDocumentException"}}}},"481":{"description":"PackedPolicyTooLargeException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/PackedPolicyTooLargeException"}}}},"482":{"description":"RegionDisabledException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/RegionDisabledException"}}}},"483":{"description":"ExpiredTokenException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/ExpiredTokenException"}}}}},"requestBody":{"content":{"text/xml":{"schema":{"$ref":"#/components/schemas/AssumeRoleRequest"}}}},"parameters":[{"name":"Action","in":"query","required":true,"schema":{"type":"string","enum":["AssumeRole"]}},{"name":"Version","in":"query","required":true,"schema":{"type":"string","enum":["2011-06-15"]}}]}},"/#Action=AssumeRoleWithSAML":{"get":{"x-aws-operation-name":"AssumeRoleWithSAML","operationId":"GET_AssumeRoleWithSAML","description":"Returns a set of temporary security credentials for users who have been authenticated via a SAML authentication response. This operation provides a mechanism for tying an enterprise identity store or directory to role-based Amazon Web Services access without user-specific credentials or configuration. For a comparison of <code>AssumeRoleWithSAML</code> with the other API operations that produce temporary credentials, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html\">Requesting Temporary Security Credentials</a> and <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison\">Comparing the Amazon Web Services STS API operations</a> in the IAM User Guide. The temporary security credentials returned by this operation consist of an access key ID, a secret access key, and a security token. Applications can use these temporary security credentials to sign calls to Amazon Web Services services. Session Duration By default, the temporary security credentials created by <code>AssumeRoleWithSAML</code> last for one hour. However, you can use the optional <code>DurationSeconds</code> parameter to specify the duration of your session. Your role session lasts for the duration that you specify, or until the time specified in the SAML authentication response's <code>SessionNotOnOrAfter</code> value, whichever is shorter. You can provide a <code>DurationSeconds</code> value from 900 seconds (15 minutes) up to the maximum session duration setting for the role. This setting can have a value from 1 hour to 12 hours. To learn how to view the maximum value for your role, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html#id_roles_use_view-role-max-session\">View the Maximum Session Duration Setting for a Role</a> in the IAM User Guide. The maximum session duration limit applies when you use the <code>AssumeRole*</code> API operations or the <code>assume-role*</code> CLI commands. However the limit does not apply when you use those operations to create a console URL. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html\">Using IAM Roles</a> in the IAM User Guide. <note> <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_terms-and-concepts.html#iam-term-role-chaining\">Role chaining</a> limits your CLI or Amazon Web Services API role session to a maximum of one hour. When you use the <code>AssumeRole</code> API operation to assume a role, you can specify the duration of your role session with the <code>DurationSeconds</code> parameter. You can specify a parameter value of up to 43200 seconds (12 hours), depending on the maximum session duration setting for your role. However, if you assume a role using role chaining and provide a <code>DurationSeconds</code> parameter value greater than one hour, the operation fails. </note> Permissions The temporary security credentials created by <code>AssumeRoleWithSAML</code> can be used to make API calls to any Amazon Web Services service with the following exception: you cannot call the STS <code>GetFederationToken</code> or <code>GetSessionToken</code> API operations. (Optional) You can pass inline or managed <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">session policies</a> to this operation. You can pass a single JSON policy document to use as an inline session policy. You can also specify up to 10 managed policy Amazon Resource Names (ARNs) to use as managed session policies. The plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide. Calling <code>AssumeRoleWithSAML</code> does not require the use of Amazon Web Services security credentials. The identity of the caller is validated by using keys in the metadata document that is uploaded for the SAML provider entity for your identity provider. <important> Calling <code>AssumeRoleWithSAML</code> can result in an entry in your CloudTrail logs. The entry includes the value in the <code>NameID</code> element of the SAML assertion. We recommend that you use a <code>NameIDType</code> that is not associated with any personally identifiable information (PII). For example, you could instead use the persistent identifier (<code>urn:oasis:names:tc:SAML:2.0:nameid-format:persistent</code>). </important> Tags (Optional) You can configure your IdP to pass attributes into your SAML assertion as session tags. Each session tag consists of a key name and an associated value. For more information about session tags, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html\">Passing Session Tags in STS</a> in the IAM User Guide. You can pass up to 50 session tags. The plaintext session tag keys can’t exceed 128 characters and the values can’t exceed 256 characters. For these and additional limits, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length\">IAM and STS Character Limits</a> in the IAM User Guide. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note> You can pass a session tag with the same key as a tag that is attached to the role. When you do, session tags override the role's tags with the same key. An administrator must grant you the permissions necessary to pass session tags. The administrator can also create granular permissions to allow you to pass only specific session tags. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html\">Tutorial: Using Tags for Attribute-Based Access Control</a> in the IAM User Guide. You can set the session tags as transitive. Transitive tags persist during role chaining. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining\">Chaining Roles with Session Tags</a> in the IAM User Guide. SAML Configuration Before your application can call <code>AssumeRoleWithSAML</code>, you must configure your SAML identity provider (IdP) to issue the claims required by Amazon Web Services. Additionally, you must use Identity and Access Management (IAM) to create a SAML provider entity in your Amazon Web Services account that represents your identity provider. You must also create an IAM role that specifies this SAML provider in its trust policy. For more information, see the following resources: <ul> <li> <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_saml.html\">About SAML 2.0-based Federation</a> in the IAM User Guide. </li> <li> <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_create_saml.html\">Creating SAML Identity Providers</a> in the IAM User Guide. </li> <li> <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_create_saml_relying-party.html\">Configuring a Relying Party and Claims</a> in the IAM User Guide. </li> <li> <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_create_for-idp_saml.html\">Creating a Role for SAML 2.0 Federation</a> in the IAM User Guide. </li> </ul>","responses":{"200":{"description":"Success","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/AssumeRoleWithSAMLResponse"}}}},"480":{"description":"MalformedPolicyDocumentException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/MalformedPolicyDocumentException"}}}},"481":{"description":"PackedPolicyTooLargeException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/PackedPolicyTooLargeException"}}}},"482":{"description":"IDPRejectedClaimException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/IDPRejectedClaimException"}}}},"483":{"description":"InvalidIdentityTokenException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/InvalidIdentityTokenException"}}}},"484":{"description":"ExpiredTokenException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/ExpiredTokenException"}}}},"485":{"description":"RegionDisabledException","content":{"text/xml":{"schema":{"$ref":"#/components/schemas/RegionDisabledException"}}}}},"parameters":[{"name":"RoleArn","in":"query","required":true,"description":"The Amazon Resource Name (ARN) of the role that the caller is assuming.","schema":{"type":"string","pattern":"[\\u0009\\u000A\\u000D\\u0020-\\u007E\\u0085\\u00A0-\\uD7FF\\uE000-\\uFFFD\\u10000-\\u10FFFF]+","minLength":20,"maxLength":2048}},{"name":"PrincipalArn","in":"query","required":true,"description":"The Amazon Resource Name (ARN) of the SAML provider in IAM that describes the IdP.","schema":{"type":"string","pattern":"[\\u0009\\u000A\\u000D\\u0020-\\u007E\\u0085\\u00A0-\\uD7FF\\uE000-\\uFFFD\\u10000-\\u10FFFF]+","minLength":20,"maxLength":2048}},{"name":"SAMLAssertion","in":"query","required":true,"description":"The base64 encoded SAML authentication response provided by the IdP. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/create-role-saml-IdP-tasks.html\">Configuring a Relying Party and Adding Claims</a> in the IAM User Guide. ","schema":{"type":"string","minLength":4,"maxLength":100000,"format":"password"}},{"name":"PolicyArns","in":"query","required":false,"description":"The Amazon Resource Names (ARNs) of the IAM managed policies that you want to use as managed session policies. The policies must exist in the same account as the role. This parameter is optional. You can provide up to 10 managed policy ARNs. However, the plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. For more information about ARNs, see <a href=\"https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html\">Amazon Resource Names (ARNs) and Amazon Web Services Service Namespaces</a> in the Amazon Web Services General Reference. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note> Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide.","schema":{"type":"array","items":{"$ref":"#/components/schemas/PolicyDescriptorType"}}},{"name":"Policy","in":"query","required":false,"description":"An IAM policy in JSON format that you want to use as an inline session policy. This parameter is optional. Passing policies to this operation returns new temporary credentials. The resulting session's permissions are the intersection of the role's identity-based policy and the session policies. You can use the role's temporary credentials in subsequent Amazon Web Services API calls to access resources in the account that owns the role. You cannot use session policies to grant more permissions than those allowed by the identity-based policy of the role that is being assumed. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session\">Session Policies</a> in the IAM User Guide. The plaintext that you use for both inline and managed session policies can't exceed 2,048 characters. The JSON policy characters can be any ASCII character from the space character to the end of the valid character list (\\u0020 through \\u00FF). It can also include the tab (\\u0009), linefeed (\\u000A), and carriage return (\\u000D) characters. <note> An Amazon Web Services conversion compresses the passed inline session policy, managed policy ARNs, and session tags into a packed binary format that has a separate limit. Your request can fail for this limit even if your plaintext meets the other requirements. The <code>PackedPolicySize</code> response element indicates by percentage how close the policies and tags for your request are to the upper size limit. </note>","schema":{"type":"string","pattern":"[\\u0009\\u000A\\u000D\\u0020-\\u00FF]+","minLength":1,"maxLength":2048}},{"name":"DurationSeconds","in":"query","required":false,"description":"The duration, in seconds, of the role session. Your role session lasts for the duration that you specify for the <code>DurationSeconds</code> parameter, or until the time specified in the SAML authentication response's <code>SessionNotOnOrAfter</code> value, whichever is shorter. You can provide a <code>DurationSeconds</code> value from 900 seconds (15 minutes) up to the maximum session duration setting for the role. This setting can have a value from 1 hour to 12 hours. If you specify a value higher than this setting, the operation fails. For example, if you specify a session duration of 12 hours, but your administrator set the maximum session duration to 6 hours, your operation fails. To learn how to view the maximum value for your role, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html#id_roles_use_view-role-max-session\">View the Maximum Session Duration Setting for a Role</a> in the IAM User Guide. By default, the value is set to <code>3600</code> seconds. <note> The <code>DurationSeconds</code> parameter is separate from the duration of a console session that you might request using the returned credentials. The request to the federation endpoint for a console sign-in token takes a <code>SessionDuration</code> parameter that specifies the maximum length of the console session. For more information, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_enable-console-custom-url.html\">Creating a URL that Enables Federated Users to Access the Amazon Web Services Management Console</a> in the IAM User Guide. </note>","schema":{"type":"integer","minimum":900,"maximum":43200}},{"name":"Action","in":"query","required":true,"schema":{"type":"string","enum":["AssumeRoleWithSAML"]}},{"name":"Version","in":"query","required":true,"schema":{"type":"string","enum":["2011-06-15"]}}]},"parameters":[{"$ref":"#/components/parameters/X-Amz-Content-Sha256"},{"$ref":"#/components/parameters/X-Amz-Date"},{"$ref":"#/components/parameters/X-Amz-Algorithm"},{"$ref":"#/components/parameters/X-Amz-Credential"},{"$ref":"#/components/parameters/X-Amz-Security-Token"},{"$ref":"#/components/parameters/X-Amz-Signature"},{"$ref":"#/components/parameters/X-Amz-SignedHeaders"}],"post":{"x-aws-operation-name":"AssumeRoleWithSAML","operationId":"POST_AssumeRoleWithSAML","description":"Returns a set of temporary security credentials for users who have been authenticated via a SAML authentication response. This operation provides a mechanism for tying an enterprise identity store or directory to role-based Amazon Web Services access without user-specific credentials or configuration. For a comparison of <code>AssumeRoleWithSAML</code> with the other API operations that produce temporary credentials, see <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html\">Requesting Temporary Security Credentials</a> and <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison\">Comparing the Amazon Web Services STS API operations</a> in the IAM User Guide. The temporary security credentials returned by this operation consist of an access key ID, a secret access key, and a security token. Applications can use these temporary security credentials to sign calls to Amazon Web Services services. Session Duration By default, the temporary security credentials created by <code>AssumeRoleWithSAML</code> last for one hour. However, you can use the optional <code>DurationSecond