curl --request GET \
  --url https://staging.api.commercengine.io/api/v1/{store_id}/storefront/payments/verify-vpa \
  --header 'Authorization: Bearer <token>'

{
  "message": "<string>",
  "success": true,
  "content": {
    "vpa": "<string>",
    "status": "valid",
    "customer_name": "<string>",
    "mandate_details": {
      "is_handle_supported": true
    }
  }
}