Guides
Direct answers on accepting crypto in your business — non-custodial and no per-transaction fee.
What is a non-custodial crypto payment gateway (and why it matters)?
A non-custodial gateway sends crypto payments straight to your wallet, with no intermediary holding the money. Understand the model, the risk it removes and how it works.
How to accept Bitcoin and USDT in your business?
Step by step to accept Bitcoin and USDT (Tron/Polygon) in your business, non-custodial, with a ready-made checkout and no per-transaction fee.
How to integrate crypto payments on my site via API?
How to integrate crypto payments (Bitcoin and USDT) on your site or e-commerce via REST API: create a charge, checkout, signed webhook (HMAC) and status polling.
USDT on Tron or Polygon: which to choose for receiving payments?
Tron (TRC-20) or Polygon to receive USDT? Compare fees, speed and compatibility — and see why offering both at checkout is the best option.
Crypto payment gateway: how much does it cost and how is it billed?
How a crypto payment gateway bills you: fixed monthly subscription vs. per-transaction percentage. Understand Stackfy's model and why it gets cheaper as you grow.
How to receive crypto without an intermediary in Brazil (non-custodial and fee-free)?
Receive crypto payments without an intermediary holding your money: non-custodial (it lands straight in your wallet) and no per-transaction fee. See how it works in Brazil.