Скачать или смотреть Day 14: What Are APIs? Explained With Real-Life Examples

APIs are everywhere — in your apps, your phone, your bank, your UPI payments, and even in your social media feed.
Welcome to Day 14 of the 100 Days of Tech series!

Today we break down one of the most important concepts in modern software:

👉 What Is an API? (Simple Explanation)

An API is a bridge that allows two software systems to talk to each other.
It’s how apps exchange information, request data, and trigger actions — automatically.

🧪 Real-Life API Examples

📍 1. UPI Payments
When you pay via GPay/PhonePe, the app calls the bank’s API to verify and process your transaction.

📍 2. Logging in with Google/Facebook
The website uses Google’s authentication API to confirm your identity.

📍 3. Weather Apps
Your weather app doesn’t collect data — it uses APIs from weather servers.

📍 4. Maps / Uber / Delivery Apps
They access Google Maps APIs for navigation, distance, routes, and locations.

📍 5. Instagram & TikTok Filters
Filters often rely on vision APIs in the backend.

🔧 Why APIs Matter

• They connect apps
• Automate processes
• Enable microservices
• Power AI, ML, and cloud systems
• Let startups build apps without reinventing everything

🏗️ Common Types of APIs Explained Simply

• REST APIs
• SOAP APIs
• GraphQL APIs
• Webhooks
• Third-party APIs (Google, Stripe, Paytm, Meta)

🎯 By the end of this video, you’ll understand:

• What an API is
• How APIs actually work
• Why APIs power almost everything in the digital world
• Real-life examples you use every day

⏱️ Chapters

00:00 – Intro
00:18 – What Is an API?
01:15 – Real-Life Examples
03:45 – Types of APIs
05:10 – Why APIs Matter
06:00 – Day 15 Preview