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API Design System Design Case Studies
3 API Design case studies from Roblox with full breakdowns.
By Topic
Distributed Systems (90)Security (32)Event Driven (14)Real-time (51)Storage (43)CDN (9)Media (3)Search (19)Media Streaming (3)Messaging (10)Payments (11)Booking System (6)Algorithms (20)Geospatial (11)Analytics (11)Data Pipelines (42)Databases (38)API Design (41)Caching (37)Fintech (14)Concurrency (8)Ads (8)AI / ML (23)Scheduling (20)Observability (11)Frontend (8)E-commerce (11)Collaboration (3)Rate Limiting (2)Networking (5)IoT (4)
By Company
Adobe (2)Airbnb (1)Amazon (5)Anduril (1)Anthropic (3)Apple (2)Atlassian (5)Bloomberg (2)Capital One (1)Databricks (2)Flipkart (1)Goldman Sachs (4)Google (2)JPMorgan (2)LinkedIn (1)Meta (2)Microsoft (6)Netflix (1)NVIDIA (1)OpenAI (6)Oracle (2)Pinterest (2)Roblox (3)Salesforce (3)Snowflake (4)TikTok (5)Uber (3)Walmart (2)
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Frequently Asked Questions
What is API Design in system design?
API Design is a core system design topic covered in 41 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.
How should I prepare API Design for system design interviews?
Study the case studies above, focusing on architecture trade-offs, scale estimates, and API designs. Practice explaining your decisions aloud — this is exactly what interviewers evaluate.
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