pf2e.fyi
From Pathfinder #149: Against the Scarlet Triad, which isn't enabled.

Know the Beat

FEAT 3
ARCHETYPESKILL
Archetype Zephyr Guard
Prerequisites Zephyr Guard Dedication

You become trained in your choice of Guild Lore, Legal Lore, Mercantile Lore, or Underworld Lore. You gain a +1 circumstance bonus to Diplomacy checks to Gather Information and to checks made to investigate crimes.

Pathfinder #149: Against the Scarlet TriadOGL