How do you evolve service contracts without breaking consumers in a microservices ecosystem?

Problem Statement

Explanation

Prefer additive changes: new fields are optional and defaults are sensible. Use explicit versioning (URI or header) for breaking changes and run multiple versions during the transition. Publish schemas, SDKs, and deprecation timelines. Track per-version usage and remove old versions only after consumer adoption is confirmed.

Code Solution

SolutionRead Only

GET /v2/orders; older clients remain on /v1 until sunset

Practice Sets

This question appears in the following practice sets:

Monolith vs Microservices

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How do you evolve service contracts without breaking consumers in a microservices ecosystem?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

How do you evolve service contracts without breaking consumers in a microservices ecosystem?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime