This tutorial is meant to give you links on how server owners and coders use to validate their JSON files to ensure their files work correctly.
Step 1. Use one of the links provided below.
Step 2. Paste your JSON config into the validation editor tool.
Step 3. If the value returns Valid then your JSON config is setup correctly. If the value is returned invalid then your JSON isn't setup correctly.
Links: (Different JSON validator tools.)
https://jsonformatter.org/json-editorhttps://jsoneditoronline.org/http://jeremydorn.com/json-editor/https://jsonformatter.curiousconcept.com/https://jsonlint.com/Credit: @OwnProx
(He posted these links on the ArkServerAPI forums.)