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Knowledge base | Introduction to APIs

Introduction to APIs

Learn the fundamentals of APIs, including types, architectures, key terms, how they work, and how to design them more effectively.

Start reading

2 min read

What is an API?

Learn what APIs are, how they work, and why they’re essential for secure, efficient, and modular software development across diverse systems.

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what-is-an-api

4 min read

Types of APIs

Learn the four main API types every developer should know: Public, Private, Partner, and Composite APIs. This guide covers when to use each type with real JavaScript examples, practical decision-making criteria, and architecture best practices for intermediate developers.

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types-of-apis

7 min read

API Architectures

Learn when to use REST, SOAP, GraphQL, WebSocket, Webhooks, and Batch Processing architecture with practical JavaScript examples, performance considerations, and real-world implementation strategies for building scalable applications.

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api-architectures

8 min read

30 Essential API Terms Developers Should Know

Master the vocabulary that every API developer needs. This comprehensive guide covers 30 fundamental API terms with clear explanations, practical examples, and real-world context to help you communicate effectively and build better integrations.

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30-essential-api-terms-developers-should-know

6 min read

How APIs Work

Understand the complete API request-response cycle with practical examples, data formats, authentication methods, and error handling. Learn what happens behind the scenes when your application communicates with external services through real-world scenarios.

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how-apis-work
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Combined Shape

Design Phase

Understand how to define API requirements, create contracts with OpenAPI, and kickstart clear, effective documentation.

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Implementation Phase

Learn how to mock, build, test, and deploy APIs efficiently to support smooth, parallel development workflows.

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Management Phase

Explore how to manage APIs post-launch with monitoring, governance, documentation upkeep, and versioning strategies.

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