Wiki Article · Cinematic

API compatibility

API compatibility ka matlab hota hai: jab aap kisi API (contract) me changes karte ho, to existing…

Overview

API compatibility — Quick Facts

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Field: Value

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Type: Software maintenance / engineering…

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Primary goal: Changes ke bawajood consumers ko…

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Key dimensions: Source, binary, behavioral…

Topic 1

Overview

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Provider: API banane wala system.

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Consumer: API use karne wala…

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Why compatibility matters

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Trust: consumers ko confidence…

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Uptime: breaking changes incidents…

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Multi-app reality: ek hi API ko…

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Speed: stable contracts ke saath…

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Types of API compatibility

🎯 Yeh categories language/stack ke hisaab se vary kar sakti hain; yahan conceptual…

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Common breaking changes

⭐ Breaking change wo hota hai jo consumer ko forced changes karne par majboor kare. |…

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Versioning strategies

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Major: breaking changes

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Minor: backward compatible…

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Patch: bugfixes

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URL versioning: /v1/... vs /v2/...

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Testing and automation

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Contract tests: consumer…

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Integration tests: real flows…

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CI checks: breaking change…

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Change ke saath migration guide…

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Deprecation and migration

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Clear timeline (Not confirmed)

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Alternatives

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Automated warnings (logs/headers)…

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Migration examples (conceptual)

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Security considerations

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Tightening authZ can break…

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Data exposure fix karne me…

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Secure-by-default for new clients.

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Safe migration for existing…

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Performance considerations

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Extra mapping/conversion

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Dual-write / dual-read

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Extra branching

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Measure overhead.

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Common mistakes

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“Small change” assume karna;…

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No contract tests.

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Deprecation without deadlines.

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Docs update skip.

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Comparison: compatibility strategies (conceptual)

🎯 | Strategy | When to use | Pros | Cons | |---|---|---|---| | Keep old + add new | Small…

Topic 12

Glossary

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