Damon Larkin

Follow webhooks past HTTP 200 to see if the business outcome actually happened.

Design webhooks with retries, idempotency, and durable queues to prevent production failures.

Choosing between them determines who owes taxes, handles chargebacks, and faces compliance risk.

Webhooks at scale demand durable storage, idempotency, and replay—not just working endpoints.

OSS simplifies EU VAT for SaaS, but your customer mix determines if it's enough.

Choose the right async primitive before it costs you data at 3 a.m.

Separate event ingestion from delivery to avoid timeouts and data loss.

Regulators are enforcing GDPR against agents that lack session-level transparency.

Backend access turns prompt injection from an embarrassment into a data breach.

Trace trees and cost attribution reveal what generic monitoring hides in multi-step agent failures.

AI agents need identity, entitlements, and metering unified in one system, not bolted together.

How to build a webhook handler that survives retries and disorder.

Prevent double charges by keying idempotency on business facts, not just event IDs.

Handle duplicate webhooks by separating receipt from processing.

SSE handles one-way server events more efficiently than WebSockets for most real-time SaaS needs.

Skip the tests that pass and focus on what actually breaks in production.

AI agents demand different backend architecture than traditional SaaS apps require.

Multi-tenant wins by default, but compliance and security concerns demand single-tenant isolation.

Preventing duplicate charges requires building idempotency into your payment API from the start.

Enterprise deals now require documented GDPR compliance as a hard procurement gate.