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    Promise based HTTP client for the browser and node.js


    • Make XMLHttpRequests from the browser
    • Make http requests from node.js
    • Supports the Promise API
    • Intercept request and response
    • Transform request and response data
    • Cancel requests
    • Automatic transforms for JSON data
    • Client side support for protecting against XSRF

    Browser Support

    Chrome Firefox Safari Opera Edge IE
    Latest Latest Latest Latest Latest 8+

    Browser Matrix


    Using npm:

    $ npm install axios

    Using bower:

    $ bower install axios

    Using cdn:

    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>


    Performing a GET request

    // Make a request for a user with a given ID
      .then(function (response) {
      .catch(function (error) {
    // Optionally the request above could also be done as
    axios.get('/user', {
        params: {
          ID: 12345
      .then(function (response) {
      .catch(function (error) {

    Performing a POST request

    axios.post('/user', {
        firstName: 'Fred',
        lastName: 'Flintstone'
      .then(function (response) {
      .catch(function (error) {

    Performing multiple concurrent requests

    function getUserAccount() {
      return axios.get('/user/12345');
    function getUserPermissions() {
      return axios.get('/user/12345/permissions');
    axios.all([getUserAccount(), getUserPermissions()])
      .then(axios.spread(function (acct, perms) {
        // Both requests are now complete

    axios API

    Requests can be made by passing the relevant config to axios.

    // Send a POST request
      method: 'post',
      url: '/user/12345',
      data: {
        firstName: 'Fred',
        lastName: 'Flintstone'
    // GET request for remote image
      .then(function(response) {
    axios(url[, config])
    // Send a GET request (default method)

    Request method aliases

    For convenience aliases have been provided for all supported request methods.

    axios.get(url[, config])
    axios.delete(url[, config])
    axios.head(url[, config])
    axios.options(url[, config])
    axios.post(url[, data[, config]])
    axios.put(url[, data[, config]])
    axios.patch(url[, data[, config]])

    When using the alias methods url, method, and data properties don't need to be specified in config.


    Helper functions for dealing with concurrent requests.


    Creating an instance

    You can create a new instance of axios with a custom config.

    var instance = axios.create({
      baseURL: 'https://some-domain.com/api/',
      timeout: 1000,
      headers: {'X-Custom-Header': 'foobar'}

    Instance methods

    The available instance methods are listed below. The specified config will be merged with the instance config.

    axios#get(url[, config])
    axios#delete(url[, config])
    axios#head(url[, config])
    axios#options(url[, config])
    axios#post(url[, data[, config]])
    axios#put(url[, data[, config]])
    axios#patch(url[, data[, config]])

    Request Config

    These are the available config options for making requests. Only the url is required. Requests will default to GET if method is not specified.

      // `url` is the server URL that will be used for the request
      url: '/user',
      // `method` is the request method to be used when making the request
      method: 'get', // default
      // `baseURL` will be prepended to `url` unless `url` is absolute.
      // It can be convenient to set `baseURL` for an instance of axios to pass relative URLs
      // to methods of that instance.
      baseURL: 'https://some-domain.com/api/',
      // `transformRequest` allows changes to the request data before it is sent to the server
      // This is only applicable for request methods 'PUT', 'POST', and 'PATCH'
      // The last function in the array must return a string or an instance of Buffer, ArrayBuffer,
      // FormData or Stream
      // You may modify the headers object.
      transformRequest: [function (data, headers) {
        // Do whatever you want to transform the data
        return data;
      // `transformResponse` allows changes to the response data to be made before
      // it is passed to then/catch
      transformResponse: [function (data) {
        // Do whatever you want to transform the data
        return data;
      // `headers` are custom headers to be sent
      headers: {'X-Requested-With': 'XMLHttpRequest'},
      // `params` are the URL parameters to be sent with the request
      // Must be a plain object or a URLSearchParams object
      params: {
        ID: 12345
      // `paramsSerializer` is an optional function in charge of serializing `params`
      // (e.g. https://www.npmjs.com/package/qs, http://api.jquery.com/jquery.param/)
      paramsSerializer: function(params) {
        return Qs.stringify(params, {arrayFormat: 'brackets'})
      // `data` is the data to be sent as the request body
      // Only applicable for request methods 'PUT', 'POST', and 'PATCH'
      // When no `transformRequest` is set, must be of one of the following types:
      // - string, plain object, ArrayBuffer, ArrayBufferView, URLSearchParams
      // - Browser only: FormData, File, Blob
      // - Node only: Stream, Buffer
      data: {
        firstName: 'Fred'
      // `timeout` specifies the number of milliseconds before the request times out.
      // If the request takes longer than `timeout`, the request will be aborted.
      timeout: 1000,
      // `withCredentials` indicates whether or not cross-site Access-Control requests
      // should be made using credentials
      withCredentials: false, // default
      // `adapter` allows custom handling of requests which makes testing easier.
      // Return a promise and supply a valid response (see lib/adapters/README.md).
      adapter: function (config) {
        /* ... */
      // `auth` indicates that HTTP Basic auth should be used, and supplies credentials.
      // This will set an `Authorization` header, overwriting any existing
      // `Authorization` custom headers you have set using `headers`.
      auth: {
        username: 'janedoe',
        password: 's00pers3cret'
      // `responseType` indicates the type of data that the server will respond with
      // options are 'arraybuffer', 'blob', 'document', 'json', 'text', 'stream'
      responseType: 'json', // default
      // `xsrfCookieName` is the name of the cookie to use as a value for xsrf token
      xsrfCookieName: 'XSRF-TOKEN', // default
      // `xsrfHeaderName` is the name of the http header that carries the xsrf token value
      xsrfHeaderName: 'X-XSRF-TOKEN', // default
      // `onUploadProgress` allows handling of progress events for uploads
      onUploadProgress: function (progressEvent) {
        // Do whatever you want with the native progress event
      // `onDownloadProgress` allows handling of progress events for downloads
      onDownloadProgress: function (progressEvent) {
        // Do whatever you want with the native progress event
      // `maxContentLength` defines the max size of the http response content allowed
      maxContentLength: 2000,
      // `validateStatus` defines whether to resolve or reject the promise for a given
      // HTTP response status code. If `validateStatus` returns `true` (or is set to `null`
      // or `undefined`), the promise will be resolved; otherwise, the promise will be
      // rejected.
      validateStatus: function (status) {
        return status >= 200 && status < 300; // default
      // `maxRedirects` defines the maximum number of redirects to follow in node.js.
      // If set to 0, no redirects will be followed.
      maxRedirects: 5, // default
      // `httpAgent` and `httpsAgent` define a custom agent to be used when performing http
      // and https requests, respectively, in node.js. This allows options to be added like
      // `keepAlive` that are not enabled by default.
      httpAgent: new http.Agent({ keepAlive: true }),
      httpsAgent: new https.Agent({ keepAlive: true }),
      // 'proxy' defines the hostname and port of the proxy server
      // Use `false` to disable proxies, ignoring environment variables.
      // `auth` indicates that HTTP Basic auth should be used to connect to the proxy, and
      // supplies credentials.
      // This will set an `Proxy-Authorization` header, overwriting any existing
      // `Proxy-Authorization` custom headers you have set using `headers`.
      proxy: {
        host: '',
        port: 9000,
        auth: {
          username: 'mikeymike',
          password: 'rapunz3l'
      // `cancelToken` specifies a cancel token that can be used to cancel the request
      // (see Cancellation section below for details)
      cancelToken: new CancelToken(function (cancel) {

    Response Schema

    The response for a request contains the following information.

      // `data` is the response that was provided by the server
      data: {},
      // `status` is the HTTP status code from the server response
      status: 200,
      // `statusText` is the HTTP status message from the server response
      statusText: 'OK',
      // `headers` the headers that the server responded with
      // All header names are lower cased
      headers: {},
      // `config` is the config that was provided to `axios` for the request
      config: {},
      // `request` is the request that generated this response
      // It is the last ClientRequest instance in node.js (in redirects)
      // and an XMLHttpRequest instance the browser
      request: {}

    When using then, you will receive the response as follows:

      .then(function(response) {

    When using catch, or passing a rejection callback as second parameter of then, the response will be available through the error object as explained in the Handling Errors section.

    Config Defaults

    You can specify config defaults that will be applied to every request.

    Global axios defaults

    axios.defaults.baseURL = 'https://api.example.com';
    axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;
    axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';

    Custom instance defaults

    // Set config defaults when creating the instance
    var instance = axios.create({
      baseURL: 'https://api.example.com'
    // Alter defaults after instance has been created
    instance.defaults.headers.common['Authorization'] = AUTH_TOKEN;

    Config order of precedence

    Config will be merged with an order of precedence. The order is library defaults found in lib/defaults.js, then defaults property of the instance, and finally config argument for the request. The latter will take precedence over the former. Here's an example.

    // Create an instance using the config defaults provided by the library
    // At this point the timeout config value is `0` as is the default for the library
    var instance = axios.create();
    // Override timeout default for the library
    // Now all requests will wait 2.5 seconds before timing out
    instance.defaults.timeout = 2500;
    // Override timeout for this request as it's known to take a long time
    instance.get('/longRequest', {
      timeout: 5000


    You can intercept requests or responses before they are handled by then or catch.

    // Add a request interceptor
    axios.interceptors.request.use(function (config) {
        // Do something before request is sent
        return config;
      }, function (error) {
        // Do something with request error
        return Promise.reject(error);
    // Add a response interceptor
    axios.interceptors.response.use(function (response) {
        // Do something with response data
        return response;
      }, function (error) {
        // Do something with response error
        return Promise.reject(error);

    If you may need to remove an interceptor later you can.

    var myInterceptor = axios.interceptors.request.use(function () {/*...*/});

    You can add interceptors to a custom instance of axios.

    var instance = axios.create();
    instance.interceptors.request.use(function () {/*...*/});

    Handling Errors

      .catch(function (error) {
        if (error.response) {
          // The request was made and the server responded with a status code
          // that falls out of the range of 2xx
        } else if (error.request) {
          // The request was made but no response was received
          // `error.request` is an instance of XMLHttpRequest in the browser and an instance of
          // http.ClientRequest in node.js
        } else {
          // Something happened in setting up the request that triggered an Error
          console.log('Error', error.message);

    You can define a custom HTTP status code error range using the validateStatus config option.

    axios.get('/user/12345', {
      validateStatus: function (status) {
        return status < 500; // Reject only if the status code is greater than or equal to 500


    You can cancel a request using a cancel token.

    The axios cancel token API is based on the withdrawn cancelable promises proposal.

    You can create a cancel token using the CancelToken.source factory as shown below:

    var CancelToken = axios.CancelToken;
    var source = CancelToken.source();
    axios.get('/user/12345', {
      cancelToken: source.token
    }).catch(function(thrown) {
      if (axios.isCancel(thrown)) {
        console.log('Request canceled', thrown.message);
      } else {
        // handle error
    // cancel the request (the message parameter is optional)
    source.cancel('Operation canceled by the user.');

    You can also create a cancel token by passing an executor function to the CancelToken constructor:

    var CancelToken = axios.CancelToken;
    var cancel;
    axios.get('/user/12345', {
      cancelToken: new CancelToken(function executor(c) {
        // An executor function receives a cancel function as a parameter
        cancel = c;
    // cancel the request

    Note: you can cancel several requests with the same cancel token.

    Using application/x-www-form-urlencoded format

    By default, axios serializes JavaScript objects to JSON. To send data in the application/x-www-form-urlencoded format instead, you can use one of the following options.


    In a browser, you can use the URLSearchParams API as follows:

    var params = new URLSearchParams();
    params.append('param1', 'value1');
    params.append('param2', 'value2');
    axios.post('/foo', params);

    Note that URLSearchParams is not supported by all browsers (see caniuse.com), but there is a polyfill available (make sure to polyfill the global environment).

    Alternatively, you can encode data using the qs library:

    var qs = require('qs');
    axios.post('/foo', qs.stringify({ 'bar': 123 }));


    In node.js, you can use the querystring module as follows:

    var querystring = require('querystring');
    axios.post('http://something.com/', querystring.stringify({ foo: 'bar' }));

    You can also use the qs library.


    Until axios reaches a 1.0 release, breaking changes will be released with a new minor version. For example 0.5.1, and 0.5.4 will have the same API, but 0.6.0 will have breaking changes.


    axios depends on a native ES6 Promise implementation to be supported. If your environment doesn't support ES6 Promises, you can polyfill.


    axios includes TypeScript definitions.

    import axios from 'axios';



    axios is heavily inspired by the $http service provided in Angular. Ultimately axios is an effort to provide a standalone $http-like service for use outside of Angular.




    npm i @contentful/axios

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