Secure Public Receipt Link with Access Token
Learn how to build a privacy-safe public receipt link using high-entropy bearer tokens, SHA-256 hashing at rest, constant-time verification, no-store caching, and an explicit allowlisted response DTO.
#Topic Backend
Curated technical articles, architecture patterns, and practical guides covering Topic Backend on RayLabs (3 approved articles).
Keeping Locked Characters Fresh with Rotating Scene Sets
Learn how to maintain character consistency in automated AI series while avoiding visual monotony by using deterministic rotating scene sets.
Running a Zero-Cost Social Auto-Poster on Cloudflare Workers
Learn how to build a robust, zero-cost social media auto-poster using Cloudflare Workers Cron, featuring KV token rotation, content deduplication, a runtime kill switch, and failure-only notifications.