<p>Create an environment account connection in an environment account so that environment infrastructure resources can be provisioned in the environment account from a management account.</p> <p>An environment account connection is a secure bi-directional connection between a <i>management account</i> and an <i>environment account</i> that maintains authorization and permissions. For more information, see <a href="https://docs.aws.amazon.com/proton/latest/userguide/ag-env-account-connections.html">Environment account connections</a> in the <i>Proton User guide</i>.</p>

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

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