http://localhost:1313/tags/webhooks/Recent content in Webhooks on LorbicHugoenSat, 01 Aug 2026 17:26:52 +0530http://localhost:1313/designing-a-usage-based-billing-pipeline-for-saas/Sat, 01 Aug 2026 17:26:52 +0530http://localhost:1313/designing-a-usage-based-billing-pipeline-for-saas/<p>In <a href="http://localhost:1313/posts/2026-07-01-how-multi-tenant-saas-works/" data-preview-title="How Multi-Tenant SaaS Actually Works" data-preview-desc="A complete system design of Relay, a multi-tenant AI API gateway. Covers multi-tenant database architecture (silo vs pool vs bridge), API key authentication, provider routing with failover, dual-layer rate limiting, token-based billing, response caching, row-level security, tenant provisioning, and observability. Full Postgres schemas, mermaid diagrams, and Go snippets included." data-preview-time="37 min read">How Multi-Tenant SaaS Actually Works</a>, I left one major promise unfulfilled at the end: <em>&ldquo;Billing is an entire system design on its own. The billing pipeline gets its own post.&rdquo;</em></p>