You hit “Place Order,” the spinner hangs for ten seconds, and you tap the button again. Now the fear sets
Continue readingIdempotency Keys Done Right: Building Retry-Safe APIs That Never Double-Charge
Solve the dual-write problem with one extra table and SKIP LOCKED: a working Go implementation of the transactional outbox, plus the delivery-semantics gotchas that bite in production. … Continue readingThe Transactional Outbox Pattern: Reliable Events Without Distributed Transactions
The network drops the connection two seconds after your client sends the payment request. Did the charge go through? Your
Continue readingIdempotency Keys: Making API Retries Safe by Design
Every web developer has been there: a user clicks “Submit Payment” and nothing happens. The spinner keeps spinning. They click
Continue readingIdempotency Keys: Making Your API Safe for Retries
Networks are unreliable. Clients retry requests. Messages get delivered twice. In a distributed system, the question isn’t whether a duplicate
Continue readingImplementing Idempotency in Go: Keys, Stores, and Patterns for Reliable APIs
Network requests fail. Timeouts happen. Retries are inevitable. If your API charges a customer’s credit card twice because a TCP
Continue readingBuild APIs That Survive Retries: Idempotency Keys in Go