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USDT crypto exchange with payouts in rubles

An exchange service with SBP support, automated operations and partner integrations

About the project

The client needed a platform for exchanging USDT that could accept payments from users and pay out funds in rubles. At the start, processes were partly manual, which caused delays, errors and risks when processing operations.

Tech stack

ReactPythonSBPREST APIAdmin PanelRBAC

Task

Build a web service that lets users buy and sell USDT, pay via SBP (Russia’s Faster Payments System) and receive funds in rubles to a card or via QR code. It was also important to automate request processing and ensure stable handling of exchange rates and payments.

Constraints

The system had to account for exchange rate fluctuations and work correctly with the Central Bank of Russia rate. We needed to integrate with partner APIs and ensure reliable transaction processing. Special attention went to security and access separation in the admin area.

Solution

We built a web service with a single user interface: creating a request, paying via SBP and choosing how to receive funds. We implemented a request processing module that tracks payment status, locks the exchange rate and manages deal execution. Integrations with partner APIs allow operations to be processed automatically without manual intervention. The admin panel has roles: request management, operations control, parameter settings and cash flow tracking.

Challenges and how we solved them

We implemented a mechanism that locks the exchange rate when a request is created, to avoid discrepancies during fluctuations. For payment processing we added status checks and retries in case of errors. Partner integrations were isolated in a separate layer, which simplified failure handling.

Further development

The architecture makes it possible to add new currencies and payment routes without reworking the core, add analytics and further automate operations.

Result

We automated the exchange process and reduced request processing time. Users got a clear and fast way to buy and sell USDT, and the client got control over operations and cash flows.