<p>Sends a response to the originator of a handshake agreeing to the action proposed by the handshake request.</p> <p>You can only call this operation by the following principals when they also have the relevant IAM permissions:</p> <ul> <li> <p> <b>Invitation to join</b> or <b>Approve all features request</b> handshakes: only a principal from the member account.</p> <p>The user who calls the API for an invitation to join must have the <code>organizations:AcceptHandshake</code> permission. If you enabled all features in the organization, the user must also have the <code>iam:CreateServiceLinkedRole</code> permission so that Organizations can create the required service-linked role named <code>AWSServiceRoleForOrganizations</code>. For more information, see <a href="https://docs.aws.amazon.com/organizations/latest/userguide/orgs_integration_services.html#orgs_integration_service-linked-roles">Organizations and Service-Linked Roles</a> in the <i>Organizations User Guide</i>.</p> </li> <li> <p> <b>Enable all features final confirmation</b> handshake: only a principal from the management account.</p> <p>For more information about invitations, see <a href="https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_accounts_invites.html">Inviting an Amazon Web Services account to join your organization</a> in the <i>Organizations User Guide.</i> For more information about requests to enable all features in the organization, see <a href="https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_org_support-all-features.html">Enabling all features in your organization</a> in the <i>Organizations User Guide.</i> </p> </li> </ul> <p>After you accept a handshake, it continues to appear in the results of relevant APIs for only 30 days. After that, it's deleted.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}