I stopped writing integration tests manually. Here's what I built instead.

There's a specific kind of frustration that every backend developer knows. You're writing a test for a POST /orders endpoint. You open the code, look at the request schema, and start typing: def test_post_orders (): resp = client . post ( " /orders " , json = { " user_id " : " user_123 " , # guessing " items " : [...], # guessing " coupon " : None , # guessing }) assert resp . status_code == 201 You're not testing your API. You're testing your assumptions about your API. And the worst part? You