LocalLens
A self-serve SaaS that turns customers' tagged Instagram posts into a branded in-store display for independent shops.
- Custom cookie auth (scrypt + HMAC-signed sessions) and a 14-day trial gated by Stripe Checkout with signature-verified webhooks.
- Instagram OAuth, tagged-media polling and HMAC-verified mention webhooks across 19 API routes.
- Backed by a written validation report: competitors, Instagram vs TikTok API limits, and rights capture.

