Manual order+delivery for crypto-paid digital goods → webhook + script automation

Executive Summary

Independent creators and small digital goods vendors—roughly the 20 million people implied by the $12.0B market (20M x $600/year)—often accept crypto payments but lack lightweight, reliable fulfillment: they end up manually checking wallets, verifying receipts, and sending files, which causes delays, errors, and customer friction. These problems disproportionately hit one-person shops and non-technical creators who need a simple way to map on‑chain receipts to off‑chain delivery without building full e‑commerce stacks. You could build a webhook-driven service that connects indexers and webhook providers to trigger scriptable delivery workflows (Google Apps Script, serverless functions) and an optional manual-review UI, with prebuilt templates for common storefronts and stablecoin rails to avoid volatility issues. Aim for a low monthly fee plus per-delivery logic; given a market score of 90/100 and revenue potential of 88/100, even a conservative 0.1% penetration (≈20,000 creators) would produce meaningful ARR and validate product-market fit within 12–24 months. This approach differentiates by prioritizing human-in-the-loop controls, rapid setup (<30 minutes for common flows), and crypto-native integrations rather than trying to compete with full-featured marketplaces. Be honest about the challenges: regulatory/tax compliance for crypto, UX around on‑chain confirmation timing and refunds, and a medium level of competition, but your strengths are low engineering overhead, alignment with serverless automation trends, and a clear, addressable creator pain point.