Why We Use APIs in React

🧱 Setup Checklist

⚙️ 1. Using the Fetch API

🧩 Example: Fetching Posts (using useEffect + useState)

💡 Notes:

• Use useEffect() to trigger the fetch on component mount.
• Always handle loading & error states.
• Putting the URL or dependencies inside the array controls re‑fetching.Example: [id] → re‑fetch when id changes.

⚙️ 2. Using Axios

⚖️ Fetch vs Axios — Quick Comparison

🧩 Example: POST Request with Axios