github:mkelam/PDFLab · first seen 2026-10-31 · source · badge
PayFast payment gateway integration specialist for FastAPI and Node.js. Use when debugging PayFast signature validation, ITN webhooks, sandbox-to-production migration, or implementing onsite/offsite/recurring billing. Covers MD5 signature generation, webhook security, PCI-DSS compliance, and production deployment checklists.
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