jsonplaceholdertypicodecom JSONPlaceholder
Free Fake REST API
Using PlaceholderAPI PlaceholderAPI Wiki SpigotMC
Using
Placeholders PlaceholderAPI Wiki SpigotMC
Creating a PlaceholderExpansion PlaceholderAPI Wiki SpigotMC
PlaceholderAPI Paper Plugin
PlaceholderAPI 182 added bungeecord placeholders