Answer
Versioning prevents breaking old clients when adding new features.
Quick Answer
API versioning lets you make breaking changes without breaking existing clients. Include the version in the URL (/api/v1/users, /api/v2/users) or as a header. Old clients continue using v1; new clients use v2 with the new contract. Without versioning, every breaking change forces all clients to update simultaneously — risky and disruptive.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ