Accurate seller accounting, without the fuss. Have confidence in your financials, knowing your numbers add up. A2X posts your sales and fees into QuickBooks, Sage or Xero to match your payouts. Save time and have confidence in your ecommerce financials. A2X software posts your Shopify, Amazon, BigCommerce, Etsy, Walmart, and eBay sales data directly into QuickBooks, Xero, or Sage in tidy summaries that match the payments to your bank account.