Melhor Envio multi-carrier for nopCommerce: OAuth real-time rates (Correios, Jadlog and more), label/cart flow, plus shipment tracking with a branded /rastreio-melhorenvio page.
Full MercadoPago gateway for nopCommerce: card with 3D Secure (MP.js Secure Fields), Pix, boleto, installments, capture/void, full & partial refunds, and signature-verified fail-closed webhooks.
Full Pagar.me v5 gateway: card with real 3D Secure, installments, v5 tokenization, Pix, boleto, capture/void, full & partial refunds, and a fail-closed webhook (Basic-Auth + authoritative re-fetch).
Accept PicPay digital-wallet payments via a redirect checkout, now with refund/cancellation, buyer CPF/CNPJ collection, and a fail-closed, re-confirmed webhook.
Sync paid nopCommerce orders into QuickBooks Online: OAuth2 connect, then customer + items + a SalesReceipt (idempotent) on order paid, with a reconciliation task and per-order sync log.
Full e.Rede (Itaú) gateway: credit & debit cards with 3D Secure, card tokenization, installments, capture/void, full & partial refunds, and fail-closed HMAC-authenticated webhooks.
