Payment Requirement Study
We review payment modes, order flow, success/failure states, refunds, settlements, reconciliation and dashboard needs.
Gateway integration, reconciliation, webhooks, reports and safer transaction operations.
Merchant payment systems need more than a checkout button. Bigbrain Technologies helps businesses plan safer payment flows with transaction tracking, callback handling, reconciliation and operational reports.
We review payment modes, order flow, success/failure states, refunds, settlements, reconciliation and dashboard needs.
We design secure server-side integration for PayU, Stripe, PayPal-style gateways, callback URLs and webhook endpoints.
We build checkout pages, order confirmation, failed-payment handling and user-friendly transaction messages.
We capture gateway status updates, store transaction references and prepare merchant reporting fields.
We test sandbox flows, duplicate callbacks, pending statuses, failed transactions and data validation.
We support key configuration, production deployment, logs and early transaction monitoring.