Backend development
A shop ledger page, 1899. Every line adds up.
How to Integrate a Third-Party API into an Existing App
Plan a third-party API integration around authentication, contracts, rate limits, idempotency, monitoring, and recovery.
2 min read
How to Debug a Third-Party API Integration
Diagnose third-party API failures with request IDs, timeout budgets, safe retries, schema validation, and actionable error logs.
2 min read
How to Add Payments and Subscriptions to a SaaS App
Implement subscription billing around provider-hosted checkout, verified webhooks, entitlement checks, and a clear billing state model.
2 min read
How to Implement Tenant Isolation in a Multi-Tenant SaaS API
Design tenant-aware API authorization so users can access only the organizations and records they are permitted to see, with database constraints and tests for cross-tenant access.
4 min read
How to Secure API Keys in a Next.js Application
Keep private API credentials out of browser bundles by moving provider calls to server-side code and protecting the endpoint with validation and access controls.
5 min read