<p>Adds or updates an inline policy document that is embedded in the specified IAM user.</p> <p>An IAM user can also have a managed policy attached to it. To attach a managed policy to a user, use <a>AttachUserPolicy</a>. To create a new managed policy, use <a>CreatePolicy</a>. For information about policies, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-vs-inline.html">Managed policies and inline policies</a> in the <i>IAM User Guide</i>.</p> <p>For information about the maximum number of inline policies that you can embed in a user, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-quotas.html">IAM and STS quotas</a> in the <i>IAM User Guide</i>.</p> <note> <p>Because policy documents can be large, you should use POST rather than GET when calling <code>PutUserPolicy</code>. For general information about using the Query API with IAM, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/IAM_UsingQueryAPI.html">Making query requests</a> in the <i>IAM User Guide</i>.</p> </note>

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

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