Developer Guide: Building a Full Crypto Payment Module for SaaS Applications

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A technical article on DEV Community outlines how developers can build a reusable crypto payment module for SaaS platforms, going beyond a simple payment button. The module is designed to handle the full payment lifecycle, including invoice generation, plan activation, webhook verification, grace periods, and payment history tracking. The guide uses OxaPay as a reference crypto payment infrastructure, citing its support for SDKs in PHP, Python, and Laravel. The target audience includes indie SaaS founders, micro-SaaS builders, AI tool developers, and agencies serving international customers who prefer crypto or stablecoin payments. The core argument is that developers who package this as a complete billing solution offer significantly more value than those offering basic payment integration.

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