Answer
API versioning avoids breaking existing clients by exposing updated versions. Methods include URL versioning (v1), query parameters, or custom headers. It ensures backward compatibility.
Quick Answer
API versioning strategies: URI versioning (/api/v1/users vs /api/v2/users) - simple and visible. Header versioning (Accept: application/vnd.api.v2+json) - cleaner URLs but harder to test. Query param versioning (?version=2) - easy but pollutes URLs. Use semantic versioning. Don't break existing clients - keep old versions running during migration.
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