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Search our knowledge base or explore categories below to configure payment gateways, manage subscriptions, embed checkout boxes, and verify webhooks.

UNIVERSAL PAYMENT ENGINE

GateFuz Documentation & Setup Guides

Comprehensive setup guides, webhook configuration, checkout block integration, and API references

Quick start guide, database schema verification, system prerequisites, and how to embed the unified checkout modal.

Configure isolated Live and Test credentials for Stripe, PayPal, Razorpay, Mollie, Paystack, Braintree, and Direct Bank Transfer.

Cryptographic signature verification, replay deduplication, timeout recovery, browser disconnect handling, and refund ledger synchronization.

Audit all payment charges, track gateway transaction IDs, filter by status or payment method, and manage manual ledger entries.

Track customer subscription billing lifecycles, free trial intervals, renewal dates, and automatic webhook synchronizations.

Hook into gatefuz_payment_completed, register custom gateways, programmatically process checkouts, and connect with Frontend Dashboard & AdFuz.