Document Purchasing System – Integration Guide

Turn Payments Into Instant File Delivery

Unlock a seamless, automated way to sell digital documents on your website. This step‑by‑step integration guide shows you exactly how to connect PayPal, Google Drive, and Email (SMTP) into one smooth workflow that delivers purchased files instantly — without manual effort.

💡 What This Guide Helps You Do

Transform your website into a fully automated digital‑delivery system:

• Accept secure payments through PayPal
• Generate private, view‑only file links using Google Drive
• Send automated emails containing download links
• Run everything through a lightweight backend service
• Deliver documents instantly after purchase

No more sending files manually. No more delays. No more complicated setups.

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