Axios is a JavaScript library used to make API calls (HTTP requests) in React and JavaScript applications.

Used:

• Get data from server (GET)
• Send data to server (POST)
• Update data (PUT)
• Delete data (DELETE)

npm install axios

Import Axios:

import axios from "axios";
import { useEffect, useState } from "react";

Fetch Data:

function App() {

  const [data, setData] = useState([]);

  useEffect(() => {
    axios.get("https://tutorialsonweb.com/users")
      .then(response => {
        setData(response.data);
      })
      .catch(error => {
        console.log(error);
      });
  }, []);

  return (
    <div>
      <h1>User List</h1>

      {data.map(user => (
        <p key={user.id}>{user.name}</p>
      ))}
    </div>
  );
}

export default App;

POST:

axios.post("https://tutorialsonweb.com/users", {
  name: "John",
  age: 25
})
.then(response => {
  console.log(response.data);
});

PUT:

axios.put("https://tutorialsonweb.com/users/1", {
  name: "Updated Name"
});

Delete:

axios.delete("https://tutorialsonweb.com/users/1");