Documentation
Install the Payfim gateway, connect your store and go live - with screenshots and copy-paste commands.
Install the Payfim gateway
Install the self-hosted Payfim crypto payment gateway on any cPanel or shared hosting in about two minutes.
Sep 28, 2026 · 5 min readAdd your wallets and choose coins
Add receiving wallet addresses for Bitcoin, USDT TRC20/ERC20, Ethereum and more to your Payfim gateway, and set confirmations per coin.
Sep 28, 2026 · 4 min readSet up the cron job
Add the one-minute Payfim cron job in cPanel so payments confirm, quotes expire and webhooks retry automatically.
Sep 28, 2026 · 3 min readConnect WooCommerce
Install the Payfim Crypto Payments plugin for WooCommerce and connect it to your gateway in two minutes.
Sep 28, 2026 · 4 min readConnect WHMCS
Install the Payfim crypto payment gateway module in WHMCS and accept Bitcoin and USDT on invoices.
Sep 28, 2026 · 4 min readConnect OpenCart
Install the Payfim crypto payment extension on OpenCart 3.0 or 4.x using the Extension Installer.
Sep 28, 2026 · 4 min readTroubleshooting
Fix common Payfim issues: payments not confirming, webhooks failing, invalid API key, license warnings and exchange rate errors.
Sep 28, 2026 · 5 min readREST API & webhooks
Payfim gateway API reference: create invoices, fetch invoice status and verify HMAC-signed webhooks from any custom website or app.
Sep 28, 2026 · 8 min read