explaingit

axios/axios

109,027JavaScriptAudience · developerComplexity · 2/5ActiveLicenseSetup · easy

TLDR

A lightweight JavaScript library for making HTTP requests from browsers and Node.js servers using Promises, simplifying network calls to APIs and remote servers.

Mindmap

mindmap
  root((axios))
    What it does
      HTTP requests
      Promise-based
      Browser and Node.js
    Use cases
      Load data in apps
      Call REST APIs
      Connect services
    Tech stack
      JavaScript
      Promises
      Node.js
    Key features
      Request interceptors
      Response handling
      Error management
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Code map

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Things people build with this

USE CASE 1

Fetch data from APIs and display it in a web app or dashboard.

USE CASE 2

Send form submissions and user data to a backend server from a browser.

USE CASE 3

Connect two backend services by making HTTP calls between them in Node.js.

Tech stack

JavaScriptNode.jsPromises

Getting it running

Difficulty · easy Time to first run · 5min
Use freely for any purpose, including commercial use, as long as you keep the copyright notice.

In plain English

Axios is described in one sentence near the top of its README: a promise-based HTTP client for the browser and Node.js. The repository's GitHub description and topic tags repeat the same framing, listing it as an http-client written in JavaScript for nodejs use, tagged with hacktoberfest, http-client, javascript, nodejs, and promise. Beyond that one-line tagline, the README links readers to two outside resources: the project website at axios-http.com and the documentation page at axios-http.com/docs/intro. The portion of the README that fits inside the snippet shown here is taken up almost entirely by a sponsor table. Gold sponsors named in the table include Principal Financial Group, Twicsy, Descope, Route4Me, Buzzoid, Poprey, and Requestly, with a call to become a sponsor through the project's OpenCollective page. The table is followed by the project logo, the one-line tagline, and the website and documentation links. After that, the README shows a set of status and download badges: an npm version badge, a CDNJS badge, a GitHub Actions CI build status badge, and pointers back to the npm registry, cdnjs.com, and the GitHub Actions workflow file. The build badge tracks the v1.x branch. The available text does not show usage examples, install commands, an API reference, supported request and response types, configuration options, interceptors, cancellation, or any of the other detail that an HTTP client library normally documents. Anyone evaluating whether to use axios in a project would need to follow the website and documentation links the README provides, since the rest of the package's behavior is documented there rather than in the README snippet. Someone would use axios when they want a small library for making HTTP requests from JavaScript code running in either a browser tab or a Node.js process, returning results through promises.

Copy-paste prompts

Prompt 1
Show me how to use axios to fetch data from a REST API and handle the response with .then() or async/await.
Prompt 2
How do I set up axios interceptors to add authentication headers to every request automatically?
Prompt 3
Give me an example of posting form data to a server using axios and handling errors.
Prompt 4
How do I make multiple HTTP requests in parallel with axios and wait for all of them to finish?
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