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The API: 3rd Edition
This book is 100% completeLast updated on 2024-10-29
API-first development is one of the hottest technical topics nowadays since many companies have started to realize that APIs serves as a multiplier to their opportunities — but it amplifies the design mistakes as well.
This book is written to share expertise and describe best practices in designing and developing APIs. It comprises six sections dedicated to the following topics:
— The API design
— API patterns
— Maintaining backward compatibility
— HTTP APIs & the REST architectural principles
— SDKs and UI libraries
— API product management.
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About the Book
API-first development is one of the hottest technical topics nowadays since many companies started to realize that API serves as a multiplier to their opportunities—but it also amplifies the design mistakes as well.
- This book is written to share the expertise and describe the best practices in designing and developing APIs. It comprises six sections dedicated to:The API design
- API patterns
- Backwards compatibility
- HTTP API & REST
- SDKs and UI libraries
- API product management
- We will discuss such concepts as:API-first development
- Semantic versioning
- Separating abstraction layers
- Synchronization strategies, optimistic concurrency control, and eventual consistency in APIs
- Bidirectional data flows, push and poll models
- Strong and weak coupling of API entities
- The REST architectural style compared to modern RPC frameworks such as gRPC and GraphQL
- Components of an HTTP request and their semantics
- Designing a URL nomenclature and CRUD operations
- MVC, MVP, and other approaches to decomposing UI components
- API business models
- Identifying Users and Preventing Fraud
- etc.
This book is licensed under Creative Commons Attribution-NonCommercial 4.0 license. Source code might be found at github.com/twirl/The-API-Book
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About the Author
Sergey Konstantinov
Sergey Konstantinov has been working with APIs for more than a decade. He started his career as a software engineer in the Maps API division at Yandex and eventually became the head of the service, being responsible for both technical architecture and product management.
During this tenure, Sergey got a unique experience in building world-class APIs with a daily audience of tens of millions, planning roadmaps for such a service, and giving numerous public speeches. He also worked for a year and a half as a member of the W3C Technical Architecture Group.
After nine years in Maps, Sergey switched to technical-lead roles in other departments and companies, leading integration efforts and being responsible for the technical architecture of entire business units. Today, Sergey lives in Tallinn, Estonia, and works as a staff software engineer.
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