Boolean and Null in JSON
From the JSON cheat sheet · Numbers and Literals · verified Aug 2026
Boolean and Null
Represent logical states and missing values.
json
{"enabled":true,"archived":false,"owner":null}📌 true, false, and null are lowercase
🔍 null is a value, not a missing property
🎯 Define null semantics in API contracts
⚠️ Do not quote booleans unless they are text
booleannullliterals
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