We priced the API for a for-loop, because that is who buys it
Our customer is not a person weighing monthly value. It is a script that wakes up, checks, and goes back to sleep. Pricing that ignores this taxes the wrong thing.
Engineering notes
How this site is built, what broke, and what we measured rather than assumed. These are our own account of our own work, kept separate from the newsroom's reporting.
A CDN's defaults assume your reader is a person
Edge caching keyed on file extension is a good guess about a marketing site and a bad one about a news feed. The harder lesson was not the CDN. It was checking the wrong copy.