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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

78 questions in API & Integration.

  1. Schema Registry intermediate Multiple choice

    A team publishes events to a topic read by many independent consumers. They need to add a field with no default value to the event schema. Which registry compatibility mode permits that, and what is the mode really constraining?

    2 min answer schema registryavrocompatibilitydeployment order
  2. Webhooks advanced

    A billing platform must deliver events to thousands of customer endpoints with wildly varying reliability. What guarantees should it offer, and what must it require of consumers?

    2 min answer chargebeewebhooksat-least-oncedelivery
  3. Webhooks advanced

    A communications platform delivers webhooks to customer endpoints that are frequently slow, occasionally down, and sometimes process the same event twice. Design the delivery system and state the guarantee you can honestly publish.

    2 min answer webhooksretriesat-least-oncedead-letter
  4. Webhooks advanced

    Design a webhook delivery system for a platform with 10,000 customers. What are the hard parts?

    2 min answer webhooksdeliverysecurityretries
  5. Webhooks advanced

    Design outbound webhook delivery for a platform with tens of thousands of subscribers whose endpoints have wildly varying reliability. What guarantees can you offer and how do you prevent one bad subscriber from harming the rest?

    2 min answer webhooksat-least-onceretriesisolation
  6. Webhooks advanced

    You are building webhook delivery for a platform. What must exist beyond sending an HTTP request?

    1 min answer webhookssigningretriesisolation