Tutorial · 10 sections
Everything you need to start testing APIs with confidence — HTTP methods, status codes, URL anatomy, and mnemonics like VADER and BINMEN.
Interactive tutorial · Part 01
Learn to spot implausible claims before checking a single source — inspired by A Field Guide to Lies and Statistics. Can you catch the impossible claim?
Tutorial template · 8 sections
Explore relationships, dependencies, feedback loops, and unintended consequences to design better tests for complex systems.