Integration Testing

Lesson in the Backend Developer Roadmap · Stage 16: Testing

Last updated 14 September 2026

What is Integration Testing?

Integration testing verifies interactions between software components to ensure they work together correctly. Tests module communication via APIs, databases, and third-party services. Catches integration issues like data mismatches and protocol errors that unit tests miss.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn Integration Testing

Open sourceSupertest - HTTP Integration Testing for Node.js
ArticleIntegration Testing
ArticleHow to Integrate and Test Your Tech Stack
VideoIntegration Testing in Node.js

Integration Testing: common questions

Can I learn Integration Testing in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Integration Testing in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Integration Testing tutorial for beginners?

It is lesson 105 of 155 in the free Backend roadmap, in stage 16, Testing. If you are new to Backend, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.