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Practice API Calls

Scrimba’s React and JavaScript courses put fetch, async/await, loading states, and errors inside real mini-apps, pause the cast, break the request, fix it in the same pane. That is the muscle interviews test, not “I watched someone use Postman.”

Who this is for

Junior devs who can render static JSX but freeze when a JSON payload, try/catch, and spinners all need to coexist. If you have wired up a static UI but never fetched live data into it, this is the gap to close before interviews.

Why practice API calls on Scrimba?

Reading fetch docs is passive. To own API integration, you need reps. Scrimba’s interactive format lets you:

  1. Pause the video at any moment
  2. Edit the code directly in the player
  3. Run it to see your changes instantly

Top courses to practice API calls

Free Interactive React Tutorial: Learn modern React in this extensive course lead by Bob Ziroll

Level: Intermediate | Duration: 15.1 hrs

The Side Effects module walks you through useEffect and fetch end to end, then the capstone projects have you render live data with loading and error states in place.

React Search Tutorial: Learn to build a movie search app with this interative course

Level: Intermediate | Duration: 57 min

A focused build that queries the OMDB API, handles debounced search input, and displays results in a responsive grid, exactly the fetch-render-handle-errors loop interviewers probe.

Free JavaScript Tutorial: Learn the basics in this 9-hour interactive course lead by Per Borgen

Level: Beginner | Duration: 9.4 hrs

If your async fundamentals are shaky, drop down a layer first. The vanilla-JS projects here use fetch and promises without a framework, so you understand what React is abstracting away.

How to Practice Effectively

  1. Don't just watch. Whenever the instructor writes code, pause and type it yourself.
  2. Break things. Change values, delete lines, and see what happens.
  3. Do the challenges. Scrimba courses have built-in challenges. Do not skip them.

Use this guide when…

You are tired of to-do APIs and want credible portfolio apps that hit the network like production code.

Fetch data inside interactive lessons

Start with free React/JS scrims; add Pro for advanced courses and paths.

Try Scrimba free (opens in a new tab)