Idempotency Lessons From an Email Agent
A customer emails your support agent at 9:14 a.m. At 9:15 they get a helpful reply. At 9:16 they get the same reply again, word for word. Nothing cras…
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Shopify Webhook Observability: Complete Implementation Guide
Shopify Webhook Observability: Complete Implementation Guide Webhooks are the nervous system of your Shopify integration. When they fail silently, dat…
Handling Duplicate Shopify Webhook Events (And Why You Must)
You built a Shopify integration. It works great in dev. Then in production, a customer gets charged twice. Or an order ships twice. Or your inventory …
Self-Hosted Vessel Email Alerts with AWS Lambda and SES
The thing you actually want is an email. Not a dashboard you have to remember to open. Not a webhook you have to write a server for. An email — the ki…