Tag: vibe

Stop Exposing Your API Keys: How I Built a Five-Layer AI Proxy That Lets Users Call LLMs Without the Security Nightmare

A deep dive into Vibe's AI proxy architecture — server-side key management for Gemini and OpenAI, per-user credit deduction, rate limiting, provider abstraction, and why your frontend should never touch an LLM directly.

I Made Billing Invisible. Now My Developers Ship Paid Features Without Writing a Single Line of Payment Code.

How Vibe's billingGuard middleware intercepts paid API calls, pushes approval requests via SSE, auto-renders payment modals, and settles transactions — without feature developers touching payment logic.

HMAC-Signed Vibe-to-Vibe Calls: How We Stopped Micro-Apps from Impersonating Each Other

Inside the HMAC-signed request protocol that secures inter-app communication on the Vibe platform — where every micro-app runs in its own Cloudflare Worker sandbox and no one trusts anyone.

Every User Gets Their Own Database. The Billing Architecture That Shouldn't Work — But Outperforms Everything.

How Vibe gives every user their own bank.sqlite for credits, holds, and transactions — the hold/confirm/release pattern, 5-minute TTL self-healing, and why database-per-user scales better than you think.

We Use Subdomains as Security Boundaries. No Kubernetes. No Containers. Just Directories.

Inside Vibe's multi-tenancy architecture where every user's micro-app gets its own subdomain, filesystem, derived secret key, and SQLite database — all on a single server process.