What is JSON serialization?

JSON serialization converts programming objects into JSON text so they can be transmitted over networks or stored in databases.

What is JSON deserialization?

JSON deserialization converts JSON strings into typed objects that application code can safely process.

Which process is slower: serialization or deserialization?

Deserialization is typically slower because it requires parsing JSON structure, validating fields, allocating memory, and mapping values to typed objects.

Why do APIs use JSON instead of binary formats?

JSON is widely adopted because it is human-readable and supported across nearly all programming languages and platforms.

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JSONSerializationDeserializationAPIPerformanceMicroservicesDistributed Systems

JSON Serialization vs Deserialization: Performance Engineering for High-Throughput API Systems

Jsonkithub Team

March 13, 2026

9 min read

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