1.0.1 • Public • Published
    AWS Amplify

    Gitter Chat Language grade: JavaScript build:started

    AWS Amplify is a JavaScript library for frontend and mobile developers building cloud-enabled applications

    AWS Amplify provides a declarative and easy-to-use interface across different categories of cloud operations. AWS Amplify goes well with any JavaScript based frontend workflow, and React Native for mobile developers.

    Our default implementation works with Amazon Web Services (AWS), but AWS Amplify is designed to be open and pluggable for any custom backend or service.


    Amplify@1.x.x has structural changes. For details please check Amplify Modularization.

    Features / APIs

    • Authentication: APIs and building blocks for developers who want to create user authentication experiences.
    • Analytics: Easily collect analytics data for your app. Analytics data includes user sessions and other custom events that you want to track in your app.
    • API: Provides a simple solution when making HTTP requests. It provides an automatic, lightweight signing process which complies with AWS Signature Version 4.
    • GraphQL Client: Interact with your GraphQL server or AWS AppSync API with an easy-to-use & configured GraphQL client.
    • Storage: Provides a simple mechanism for managing user content for your app in public, protected or private storage buckets.
    • Push Notifications: Allows you to integrate push notifications in your app with Amazon Pinpoint targeting and campaign management support.
    • Interactions: Create conversational bots powered by deep learning technologies.
    • PubSub: Provides connectivity with cloud-based message-oriented middleware.
    • Internationalization: A lightweight internationalization solution.
    • Cache: Provides a generic LRU cache for JavaScript developers to store data with priority and expiration settings.
    • Predictions: Provides a solution for using AI and ML cloud services to enhance your application.

    Visit our Web Site to learn more about AWS Amplify


    AWS Amplify is available as aws-amplify package on npm.


    npm install aws-amplify --save

    or you could install the module you want to use individually:

    npm install @aws-amplify/auth --save


    If you are developing a React app, you can install an additional package aws-amplify-react containing Higher Order Components:

    npm install aws-amplify --save
    npm install aws-amplify-react --save


    If you are developing an Angular app, you can install an additional package aws-amplify-angular. This package contains an Angular module with a provider and components:

    npm install aws-amplify --save
    npm install aws-amplify-angular --save

    Visit our Installation Guide for Web to start building your web app.


    If you are developing a Vue app, you can install an additional package aws-amplify-vue. This package contains a Vue plugin for the Amplify library along with Vue components:

    npm install aws-amplify --save
    npm install aws-amplify-vue --save

    Visit our Installation Guide for Web to start building your Vue app.

    React Native

    For React Native development, install aws-amplify:

    npm install aws-amplify --save

    If you are developing a React Native app, you can install an additional package aws-amplify-react-native containing Higher Order Components:

    npm install aws-amplify-react-native --save

    Visit our Installation Guide for React Native to start building your web app.


    Somewhere in your app, preferably at the root level, configure Amplify with your resources.

    Using AWS Resources

    import Amplify from 'aws-amplify';
    import aws_exports from './aws-exports';
    // or if you don't want to install all the categories
    import Amplify from '@aws-amplify/core';
    import Auth from '@aws-amplify/auth';
    import aws_exports from './aws-exports';
    // in this way you are only importing Auth and configuring it.

    Without AWS

        API: {
            graphql_endpoint: 'https://www.example.com/my-graphql-endpoint',


    AWS Amplify supports many category scenarios such as Auth, Analytics, APIs and Storage as outlined in the Developer Guide. A couple of samples are below:

    1. Collect user session metrics

    By default, AWS Amplify can collect user session tracking data with a few lines of code:

    import Analytics from '@aws-amplify/analytics';

    See our Analytics Developer Guide for detailed information.

    2. Add Authentication to your App

    Add user sign up and sign in using two of the many methods available to the Auth class:

    import Auth from '@aws-amplify/auth';
        username: 'AmandaB',
        password: 'MyCoolPassword1!',
        attributes: {
            email: 'someemail@example.com',
    Auth.signIn(username, password)
        .then(success => console.log('successful sign in'))
        .catch(err => console.log(err));

    See our Authentication Developer Guide for detailed information.

    React / React Native

    Adding authentication to your React or React Native app is as easy as wrapping your app's main component with our withAuthenticator higher order component. AWS Amplify will provide you customizable UI for common use cases such as user registration and login.

    // For React
    import { withAuthenticator } from 'aws-amplify-react';
    // For React Native
    import { withAuthenticator } from 'aws-amplify-react-native';
    export default withAuthenticator(App);


    To add authentication to your Angular app you can also use the built-in service provider and components:

    // app.component.ts
    import { AmplifyService }  from 'aws-amplify-angular';
    constructor( public amplify:AmplifyService ) {
      // handle auth state changes
        .subscribe(authState => {
          this.authenticated = authState.state === 'signedIn';
          if (!authState.user) {
            this.user = null;
          } else {
            this.user = authState.user;
    // app.component.html

    See our Angular Guide for more details on Angular setup and usage.

    3. Sign HTTP requests

    AWS Amplify automatically signs your REST requests with AWS Signature Version 4 when using the API module:

    import API from '@aws-amplify/api';
    let apiName = 'MyApiName';
    let path = '/path';
    let options = {
      headers: {...} // OPTIONAL
    API.get(apiName, path, options).then(response => {
      // Add your code here

    See our API Developer Guide for detailed information.

    4. GraphQL API Operations

    To access a GraphQL API with your app, you need to make sure to configure the endpoint URL in your app’s configuration.

    // configure a custom GraphQL endpoint
        API: {
            graphql_endpoint: 'https://www.example.com/my-graphql-endpoint',
    // Or configure an AWS AppSync endpoint.
    let myAppConfig = {
        // ...
        aws_appsync_region: 'us-east-1',
        aws_appsync_authenticationType: 'API_KEY',
        aws_appsync_apiKey: 'da2-xxxxxxxxxxxxxxxxxxxxxxxxxx',
        // ...


    import API, { graphqlOperation } from '@aws-amplify/api';
    const ListEvents = `query ListEvents {
      listEvents {
        items {
    const allEvents = await API.graphql(graphqlOperation(ListEvents));


    import API, { graphqlOperation } from '@aws-amplify/api';
    const CreateEvent = `mutation CreateEvent($name: String!, $when: String!, $where: String!, $description: String!) {
      createEvent(name: $name, when: $when, where: $where, description: $description) {
    const eventDetails = {
        name: 'Party tonight!',
        when: '8:00pm',
        where: 'Ballroom',
        description: 'Coming together as a team!',
    const newEvent = await API.graphql(graphqlOperation(CreateEvent, eventDetails));


    import API, { graphqlOperation } from '@aws-amplify/api';
    const SubscribeToEventComments = `subscription subscribeToComments {
      subscribeToComments {
    const subscription = API.graphql(
        next: eventData => console.log(eventData),

    See our GraphQL API Developer Guide for detailed information.

    5. Upload and Download public or private content

    AWS Amplify provides an easy-to-use API to store and get content from public or private storage folders:

    Storage.put(key, fileObj, { level: 'private' })
        .then(result => console.log(result))
        .catch(err => console.log(err));
    // Store data with specifying its MIME type
    Storage.put(key, fileObj, {
        level: 'private',
        contentType: 'text/plain',
        .then(result => console.log(result))
        .catch(err => console.log(err));

    See our Storage Developer Guide for detailed information.




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