Lesson 19 of 19

Basic APIs & JSON

Exchange structured data with web services.

Introduction

An API exposes operations over HTTP. JSON represents data with objects, arrays, strings, numbers and booleans.

Python's json module converts between JSON text and Python dictionaries or lists.

Key insight

Example

import json

payload = json.loads('{"name": "Asha"}')
print(payload["name"])

This example shows the core basic apis & json idea in a small, runnable program.

Real-world example

Test yourself

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Answer every question, then submit your quiz.

Try it yourself

Runs in your browser. Nothing is sent to a server.

Output appears here

First run downloads the Python runtime, so it may take a moment.

Practice challenge

Convert a Python dictionary to a JSON string.