Handling Subscription Webhooks Without Duplicate Processing
Process SaaS subscription webhooks safely with signature verification, unique event records, asynchronous work, retries, and out-of-order event handling.
Category: SaaS Architecture
Practical guides to multi-tenant SaaS architecture, security, billing, operations, and support.
How to Build a Reliable SaaS Customer Onboarding Process
Build a retryable SaaS onboarding workflow that creates the tenant, first owner, billing profile, defaults, and infrastructure without duplicate accounts.
Designing Roles and Permissions for a Multi-Tenant SaaS Application
Design tenant-scoped SaaS roles and permissions for owners, administrators, members, support staff, and custom roles without confusing authorization with tenant isolation.
How to Enforce Tenant Isolation in SQL Queries
Scope every SQL query to the authenticated SaaS tenant and prevent insecure direct object references and accidental cross-tenant data access.
Multi-Tenant Database Design: Shared Tables vs Separate Databases
Compare shared-table, schema-per-tenant, and database-per-tenant designs for a SaaS application and choose the right balance of isolation, cost, and maintenance.