Insights
Practical notes from API architecture reviews — written for engineers and leads who own the contract after the workshop ends.
Consumers Patch What Contracts Omit
When error bodies disagree and pagination styles drift, client teams invent glue. That glue becomes the real architecture — and the cost of changing the API.
Versioning Is a Social Contract
SemVer on a URL path is theatre unless product, platform, and support agree what “breaking” means for the people who get the tickets.
Latency Budgets Hide in Call Graphs
A tidy service diagram can still conceal a six-hop synchronous path. Topology reviews exist to make that path visible before a launch does.
Gateways Should Not Know Your Domain
When edge layers start encoding product rules, every domain change becomes an edge change. Boundary design keeps the gateway boring on purpose.