U4C Developer Hub

Welcome to U4C!

Here you will have access to the most complete API for payments on the market.

Explore our comprehensive Guides to understand the complete workflow, and leverage the API Reference to understand how to integrate with your service.

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U4C PIX LOGO

With U4C PIX API you can have full control of PIX functionalities, including cash-in through immediate and scheduled QR codes, refunds, PIX transfers (cash-outs), and more.

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U4C PIX BOLETO

With PIXX Boleto - Fast, secure payments and receipts with all the efficiency you deserve. Your customers pay more quickly, and you receive with much more security.

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U4C PIX ITP

With Fast PIXX (ITP) - the payment transaction initiator created by the Central Bank - your customer can initiate and complete a payment without having to leave your website.

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