Tagged #apis

2 notes.

• Aug 9, 2026·~17 min

  Reverse engineering a mobile app's private API

  A full walkthrough of reading an app's own API off your phone — proxy and CA trust, why apps ignore your certificate, adb over WiFi, jadx, recovering obfuscated annotations, an emulator with a system-store CA, and the verification step that stops you shipping a lie.

• Jul 23, 2026·~4 min

  Reading Open Library without hammering a nonprofit

  Using Open Library for ISBN metadata and covers — where the data actually lives, which endpoint resolves German editions, and how to cache so a timeout never poisons the answer.