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Quiz

2667 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas2667 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture86 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88
Difficulty Any beginner intermediate advanced

5 questions in APIs as Products.

  1. APIs as Products advanced

    A business-banking platform must expose payouts, balances, approvals and reconciliation to customer developers. How should the API surface be structured, and what determines what is exposed?

    2 min answer razorpayxapi-productpermissionsreconciliation
  2. APIs as Products intermediate

    A platform's API is used more heavily than its web interface, and third-party tools built on it drive most adoption. What changes when the API is treated as the primary product rather than as an access mechanism?

    2 min answer api-productdeveloper-experienceversioningecosystem
  3. APIs as Products advanced

    API traffic is dominated by a few automation-heavy customers whose bursts affect everyone. How do you introduce per-tenant quotas and priority without breaking existing integrations?

    3 min answer multi-tenancyquotasfair-queueingmigration
  4. APIs as Products intermediate Multiple choice

    How do you know it is safe to remove a field from a public API, and what would you have needed to build to know that?

    2 min answer deprecationinstrumentationgithubapi-lifecycle
  5. APIs as Products advanced

    You must make a breaking change to an API used by 200 internal services and 40 external partners. Design the change and the migration.

    2 min answer versioningdeprecationmigrationcontracts