How does Kotlin support safe API evolution in microservices?
Updated May 16, 2026
Short answer
Kotlin supports safe API evolution using backward-compatible data models and schema evolution strategies.
Deep explanation
Microservices require evolving APIs without breaking consumers. Kotlin supports this using default parameters, optional fields, and serialization tolerance. kotlinx.serialization ignores unknown fields, enabling forward compatibility. Combined with versioned endpoints and contract-first design, systems evolve safely.
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