API Design Masterclass | Basics to Advanced in 1 Hour with Prateek Narang, Google
Prateek Narang
5,763 views
How do apps communicate, authenticate users, and handle requests reliably? Learn API design step by step with visual explanations, practical examples, and guided demos with @The.PrateekNarang
In this System Design Masterclass, we cover:
API fundamentals: requests, responses, headers, query parameters, and request bodies.
REST API design: resource URLs, HTTP methods, and status codes.
Authentication and authorization: how JWTs help identify users and how servers check permissions.
Pagination: offset vs cursor pagination, with SQL queries showing exactly which rows are returned.
Rate limiting and idempotency: controlling traffic and handling retries without repeating an operation.
GraphQL and gRPC: beginner-friendly shopping examples, field selection, and communication between services.
WebSockets: how apps support live, two-way updates.
Common API mistakes: practice questions and examples to test your understanding.
Watch how inserting a new post can cause duplicate results with offset pagination, how GraphQL fetches the fields a screen needs, and how an order service checks inventory using gRPC.
Designed for beginners learning backend development, developers strengthening their fundamentals, and engineers preparing for system design interviews.
Subscribe to System Design Master for more visual lessons on building reliable systems.
7 Comments
One thing I'm particularly curious about is: once the first request is received by the server, if the response is lost, how does the client know to use the same idempotency key when retrying the request? Is the key generated by the client before sending the request and then persisted somewhere on the client side so that it can be reused for retries?
A dedicated video going deeper into these real-world edge cases with a payment example would be super helpful. Would love to see one on this!
As always, loved your explanation! 🙌
API Design Masterclass | Basics to Advanced in 1 Hour with Prateek Narang, Google
Prateek Narang
5,763 views
How do apps communicate, authenticate users, and handle requests reliably? Learn API design step by step with visual explanations, practical examples, and guided demos with @The.PrateekNarang
In this System Design Masterclass, we cover:
API fundamentals: requests, responses, headers, query parameters, and request bodies.
REST API design: resource URLs, HTTP methods, and status codes.
Authentication and authorization: how JWTs help identify users and how servers check permissions.
Pagination: offset vs cursor pagination, with SQL queries showing exactly which rows are returned.
Rate limiting and idempotency: controlling traffic and handling retries without repeating an operation.
GraphQL and gRPC: beginner-friendly shopping examples, field selection, and communication between services.
WebSockets: how apps support live, two-way updates.
Common API mistakes: practice questions and examples to test your understanding.
Watch how inserting a new post can cause duplicate results with offset pagination, how GraphQL fetches the fields a screen needs, and how an order service checks inventory using gRPC.
Designed for beginners learning backend development, developers strengthening their fundamentals, and engineers preparing for system design interviews.
Subscribe to System Design Master for more visual lessons on building reliable systems.