Engineering notes
How BuildAPI works underneath, what we got wrong, and what we changed. Written by the people who broke it.
Guides
Entitlement tokens, explained
The mechanism that keeps your site up during our outage, and how to use it properly.
Guides
Rotating a key without downtime
The sequence matters. Done in the wrong order, rotation is an outage.
Guides
Scopes in practice
When they earn their keep, when they are ceremony, and how to add them without a migration project.
Guides
How to read a refusal
Nine reasons a call can be refused, what each one means, and what to actually do about it.