APIs for Beginners - How to use an API (Full Course / Tutorial)

Introduction to APIs

In this section, Craig Dennis introduces the course and explains what will be covered. He also provides some tips for getting the most out of the course.

What is an API?

• An API stands for application programming interface.

• APIs provide many benefits.

• Understanding the purpose and history of APIs is important.

Course Requirements

• Some experience with coding and knowledge about the web is helpful.

• Basic understanding of how the web works with web servers and browsers is recommended.

• Check notes attached to videos for where to get started with beginning web and programming concepts.

Tips for Learning

• Take advantage of captions, speed controllers, rewind, and pause features.

• Take breaks and let what you learned marinate.

Exploring Existing APIs

In this section, Craig Dennis explains how to explore existing APIs using handy tools. He also demonstrates how to use these tools by hitting an external web API to send actual text messages and get data back from a streaming music service API.

Tools for Interacting with Web-Based APIs

• Use handy tools like Postman or cURL to interact with web-based APIs.

Hands-On Experience Using Web-Based APIs

• Hit an external web API using Postman or cURL to send actual text messages.

• Get data back from a streaming music service API.

Building a Web Application Using APIs

In this section, Craig Dennis explains how to use APIs in a web application that you'll actually publish. The application will receive user-submitted photos via text message and display them using an API.

Building a Web Application

• Use APIs in a web application.

• Build an application that receives user-submitted photos via text message and displays them using an API.

Introduction to APIs

This section introduces the course and what it covers.

Course Introduction

• Interfaces are all around us.

• This is an updated version of one of the most popular API courses on the internet.

• Craig Dennis is back as the instructor, who is one of the best developer educators out there.

What You Will Learn

• The course will explore APIs or application programming interfaces.

• You will understand why APIs exist and be able to list their many benefits.

• You will get hands-on experience using a few popular web APIs, which will give you a taste of what all this excitement is about.

Prerequisites

• It will be helpful if you have a basic understanding of how the web works with web servers and browsers.

• If you've written any program at all, even the typical first program where you write "Hello, world," then you'll pretty much be ready for this course.

• We're going to be doing JavaScript for the rest of this course.

Building Your First Twilio App

This section covers building your first Twilio app.

Getting Started

• We are going to explore products and use SMS messaging product in this course.

• There are way more products available than what we can see here. Check that area out for juicy information.

Building Your First App

• No bullet points provided in this section.

Understanding the Environment Variables

In this section, the instructor discusses environment variables and how they can be used to store sensitive information.

Introduction to Environment Variables

• Environment variables are a way of storing sensitive information such as API keys and passwords.

• They can be accessed from anywhere in your code.

• Environment variables are stored outside of your codebase, making it easier to manage sensitive information.

Setting Up Environment Variables

• To set up environment variables, you need to create a file called .env.

• In this file, you can define key-value pairs for your environment variables.

• You can then access these values in your code using process.env.

Best Practices for Using Environment Variables

• Always use environment variables for storing sensitive information.

• Do not hardcode sensitive information into your code.

• Make sure that the .env file is included in your .gitignore file so that it is not pushed to version control.

Taking Time for Yourself

In this section, the instructor emphasizes the importance of taking breaks and time for yourself while learning.

The Importance of Taking Breaks

• Learning can be overwhelming and stressful at times.

• Taking breaks allows you to recharge and come back with a fresh perspective.

• It's important to take care of yourself both physically and mentally while learning.

Tips for Taking Breaks

• Take short breaks throughout the day to stretch and move around.

• Schedule longer breaks into your day to do something you enjoy.

• Disconnect from technology during your breaks to give your mind a rest.

Introduction to TwiML

In this section, the instructor introduces TwiML and how it can be used with Twilio.

What is TwiML?

• TwiML stands for Twilio Markup Language.

• It is a set of XML-like tags that can be used to control phone calls and SMS messages in Twilio.

Using TwiML with Twilio

• To use TwiML with Twilio, you need to create a new function in the Pickle service.

• You can define your TwiML markup in this function using HTML-like syntax.

• Once you have defined your markup, you can reference it in other parts of your codebase.

Best Practices for Using TwiML

• Use descriptive names when defining your functions and variables.

• Make sure that all sensitive information is stored as environment variables.

• Test your code thoroughly before deploying it.

Introduction to APIs for Beginners

In this section, the speaker introduces the course and its instructor. They also explain what an API is and what students will learn in the course.

Course Introduction

• The course is an excellent introduction to APIs for beginners.

• Craig Dennis is back as the instructor and he is one of the best developer educators out there.

What is an API?

• An API stands for application programming interface.

• Students will be able to discuss what an API does and list the many benefits that they provide.

Course Content

• Students will get some hands-on experience using a few popular web APIs, which will give them a taste of what all this excitement is about.

• It will be helpful if students have a basic understanding of how the web works with web servers and browsers, but don't sweat it, we'll touch on that too.

Getting Started with Twilio

In this section, the speaker explains how to set up Twilio and create a REST client. They also show how to access environment variables and use them in code.

Setting Up Twilio

• To use Twilio, you need to set up an account SID and Auth token.

• You can access environment variables in your code by using process.env.VARIABLE_NAME.

Creating a REST Client

• The client is a REST client that hits the messages endpoint.

• We're going to take our messages and push them into an array so that later we can use them that way.

Requirements

• You need to have a touch of experience with coding and a wee bit of knowledge about the web.

• If you haven't met these requirements, please check the notes attached to this video for where to get started.

Conclusion

In this section, the speaker summarizes what was covered in the course and encourages students to continue learning about APIs.

Course Summary

• The course provided an excellent introduction to APIs for beginners.

• Students learned how to set up Twilio, create a REST client, and access environment variables in their code.

Continuing Learning

• There is so much more to learn about APIs, so keep exploring and experimenting!

• Don't be afraid to ask questions or seek help from others.

English Understanding APIs

In this video, we will learn about APIs and their importance in software development. We will also explore the different types of APIs and how they work.

What are APIs?

• API stands for Application Programming Interface.

• API is a set of protocols, routines, and tools for building software applications.

• API allows different software applications to communicate with each other.

Types of APIs

• Web-based API is an interface that uses web communication protocols such as HTTP or HTTPS.

• RESTful API is a type of web-based API that follows specific architectural principles.

• SOAP API is an XML-based messaging protocol used to exchange data between computers.

How do APIs work?

• API works by sending requests and receiving responses through endpoints.

• Endpoints are URLs that represent resources on the server.

• HTTP methods such as GET, POST, PUT, DELETE are used to interact with these resources.

Anatomy of an API Request

• An API request consists of headers, parameters, and a body.

• Headers provide metadata about the request/response body.

• Parameters allow customization of the request/response body.

• Body contains the actual data being sent/received.

Conclusion

In conclusion, APIs play a crucial role in modern software development. They allow different applications to communicate with each other seamlessly. There are various types of APIs available such as web-based, RESTful, and SOAP. APIs work by sending requests and receiving responses through endpoints using HTTP methods. Understanding the anatomy of an API request is essential for building robust applications that interact with APIs.

Remote APIs and HTTP

This section explains the benefits of remote APIs and HTTP.

Benefits of Remote APIs

• Remote APIs allow for accessing data that is not available on local machines.

• Remote APIs provide seemingly infinite amounts of computational power.

• Remote APIs make it possible to share information across different environments.

Hypertext Transfer Protocol (HTTP)

• HTTP stands for hypertext transfer protocol.

• A protocol is a contract that defines how to communicate between two parties.

• HTTP specifies a particular HTTP verb, such as GET or POST.

Google Translate AR App

This section discusses the Google Translate AR app as an example of using remote APIs.

Using the Google Translate AR App

• The Google Translate AR app uses remote APIs to translate text in near real-time.

• The app uses a lot of processing power that is transferred from the client to the server.

• Users can add their Twilio phone number to receive notifications from the app.

Portuguese Introduction to RESTful APIs

In this section, the speaker introduces RESTful APIs and explains how they work.

What are RESTful APIs?

• REST stands for Representational State Transfer.

• REST is an architectural style that defines a set of constraints to be used when creating web services.

• The concept of collections is often used to teach about RESTful APIs.

• To be considered RESTful, an API must meet certain constraints.

How do RESTful APIs work?

• A client makes a request to a server using HTTP and a specific URI.

• The server processes the request and generates a response, which includes data in the body of the response.

• The client receives the response and can then process the data as needed.

• Links can be used within responses to allow clients to navigate between resources.

What are some key features of RESTful APIs?

• RESTful APIs are stateless, meaning that each request contains all necessary information for the server to process it.

• Authentication can be handled through inherent authentication values or by including authentication information in requests.

Portuguese RESTful APIs: A Comprehensive Guide

In this video, the speaker discusses RESTful APIs and their constraints. They cover topics such as resource manipulation through representations, self-descriptive messages, hypermedia as the engine of application state (HATEOAS), and more.

Introduction to RESTful APIs

• The speaker introduces the topic of RESTful APIs and their constraints.

• The speaker explains that there wasn't a standard that everyone loved for RESTful APIs.

• The popularity of REST spread so rapidly that it nearly completely overtook the term API.

Resource Manipulation Through Representations

• The speaker explains that they definitely do not allow any sort of manipulation of the images in their API.

• However, their API doesn't provide links to other resources.

Self Descriptive Messages

• By using headers, developers can tell that a message is JSON.

• The speaker hopes that viewers now have the ability to identify whether or not an API is RESTful.

Hypermedia as the Engine of Application State (HATEOAS)

• HATEOAS is an often-forgotten part of the RESTful constraint.

• We've now completed the scavenger hunt for all constraints.

Conclusion

• No conclusion was provided in this video.

Asynchronous Programming in Node.js

In this video, the speaker explains how to write asynchronous code in Node.js using promises and async/await. The speaker also demonstrates how to use the Twilio API to send SMS messages.

Writing Asynchronous Code with Promises

• Client message list returns a promise that will have a value of messages in the future.

• A function defined with then waits for the promise to resolve before running.

• APIs that are hit may be asynchronous, so it's important to handle errors properly.

Using Async/Await

• Async functions can be defined with async keyword and return a promise.

• await can be used inside an async function to wait for a promise to resolve before continuing execution.

• Backticks can be used for string interpolation in console logs.

Sending SMS Messages with Twilio API

• Constraints for sending SMS messages through Twilio API can be found in Visual Studio.

• Account SID and Auth Token must be correct when using Twilio API or else requests will fail.

Course Requirements

In this section, the instructor discusses the requirements for taking the course.

Course Requirements

• The course requires a touch of experience with coding and a wee bit of knowledge about the web.

• It is helpful to have a basic understanding of how the web works with web servers and browsers.

• If you haven't met these requirements, please check the notes attached to this video for where to get started with some beginning web and programming concepts.

Introduction to the Course

In this section, the instructor introduces the course and provides some tips on how to make the most out of it.

Introduction to the Course

• This is an updated version of a course from 2019 that focuses on APIs.

• The videos have captions, so if needed, use them.

• Use speed controllers to slow down or speed up videos as needed.

• Take advantage of video-based learning by rewinding or pausing when necessary.

• Education isn't meant to be binged; take breaks and let what you learned marinate.

Understanding APIs

In this section, we learn about APIs and their importance in modern technology.

Understanding APIs

• API stands for Application Programming Interface.

• We'll learn how to explore two existing APIs using several handy tools that interact with web-based APIs.

• We'll use those tools to hit an external web API to send actual text messages and get data back from a streaming music service API.

• We'll use these APIs in a web application that will receive user-submitted photos via text message.

Strictly Using Existing APIs

In this section, we learn about the importance of APIs and how we will be using them in this course.

Strictly Using Existing APIs

• We are strictly using existing APIs in this course.

• We won't be writing our own API, but we'll learn some best practices in API design.

• There are many great courses available that show the creation thought process, and the instructor has linked to some of their favorites in the notes attached to this video.

Interfaces

In this section, we learn about interfaces and how they relate to APIs.

Interfaces

• An interface allows us to control how something works through options.

• Examples of interfaces include a radio's volume or station controls.

• Understanding interfaces is important for understanding APIs.

Introduction to REST APIs

In this section, the speaker introduces REST APIs and explains how they work.

What is a REST API?

• A REST API is an architectural style for building web services.

• It stands for Representational State Transfer.

• It's a set of constraints that define how web standards such as HTTP and URLs should be used.

How does it work?

• A client sends a request to a server using HTTP methods like GET, POST, PUT, DELETE.

• The server responds with data in a specific format like JSON or XML.

• The client can then use that data to update its own state.

Why use REST APIs?

• They are widely adopted and supported by many programming languages and frameworks.

• They allow for decoupling between the client and server, making it easier to scale and maintain applications.

Building a Twilio Function

In this section, the speaker demonstrates how to build a Twilio function using JavaScript.

Setting up the environment

• Install Node.js and npm on your computer.

• Create a new folder for your project and initialize it with npm init.

Creating the function

• Use the Twilio Node.js library to create an instance of the Twilio REST client.

• Create a callback function that returns an array of gallery images.

• Make the function public by changing its access level.

• Deploy the function to Twilio using the Twilio CLI.

Testing the function

• Copy the URL of your deployed function and paste it into a web browser.

• Use Postman to send an HTTP request to your function and receive a response.

HTTP Requests and Responses

In this section, the speaker explains how HTTP requests and responses work.

What is an HTTP Request?

• An HTTP request is a message sent from a client to a server.

• It consists of a method (like GET or POST), headers, and sometimes data in the body.

What is an HTTP Response?

• An HTTP response is a message sent from a server to a client.

• It consists of status code, headers, and sometimes data in the body.

How do they work together?

• The client sends an HTTP request to the server with specific information about what it wants.

• The server processes that request and sends back an appropriate response with data if necessary.

• The client receives that response and can then use that data as needed.

Understanding Protocols

In this section, the speaker explains what protocols are and how they work.

What is a Protocol?

• A protocol is a set of rules that define how data is transmitted over a network.

• It's like a contract that defines the expectations of how to communicate.

How do Protocols Work?

• The client and server agree on which protocol to use.

• They then follow the rules defined by that protocol to exchange data.

Conclusion

In this section, the speaker summarizes the key points covered in the video.

Key Points

• REST APIs are an architectural style for building web services.

• HTTP requests and responses are messages sent between clients and servers.

• Protocols are sets of rules that define how data is transmitted over a network.

Overall, this video provides an introduction to REST APIs, demonstrates how to build a Twilio function using JavaScript, explains HTTP requests and responses, and discusses protocols.

Introduction to View.js

In this section, the speaker introduces View.js, a front-end framework that provides an API for returning data and defining methods on the view object. The speaker also explains how the mounted lifecycle method works.

How View Works

• View.js is a front-end framework that provides an API for returning data.

• Mounted is a lifecycle method in View.js that calls a function when the application has been mounted onto HTML through JavaScript.

• The load images function is called by the mounted lifecycle method in View.js.

Changing Images with JavaScript

In this section, the speaker demonstrates how to change images using JavaScript and explains how to create a web-based API that matches expected responses.

Changing Images with JavaScript

• Images can be changed using JavaScript.

• Changes made using JavaScript are not saved until they are explicitly saved.

• The file can be changed by anyone working on the project.

Creating a Web-Based API

• A web-based API can be created to match expected responses.

• An array of images can be used to get different versions of kitties.

• Accessibility reasons require image alt tags to be included in web-based APIs.

Deploying an Application on Twilio Serverless

In this section, the speaker discusses serverless deployment and demonstrates how to deploy an application on Twilio Serverless.

Serverless Deployment

• Applications can be deployed on the internet for others to see.

• Previously, servers had to be set up and configured to point to a machine.

• Serverless deployment removes the need for server setup and configuration.

Deploying on Twilio Serverless

• Twilio Serverless is used to deploy the application.

• Services are used to group functions in Twilio Serverless.

• A new service can be created in Twilio Serverless.

• Code can be edited in Twilio Serverless.

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Building a Public API with Twilio

In this section, the speaker discusses how to build a public API using Twilio and how to use web frameworks Views API to retrieve data.

Consuming the External Public API

• The speaker saves and deploys the code for the public API.

• The speaker tests the public API by hitting it with a request and checking if it returns burritos.

• The speaker checks if the URL works and confirms that it returns an image of a burrito.

Shaping Data for Client Use

• The speaker explains that in an app like the one being built, photos submitted through messaging will be stored in a database. They will then be formatted for client use by shaping the data.

• The speaker emphasizes that shaping data involves making sure that it matches what is expected by clients.

Using Web Framework Views API to Retrieve Data

• The speaker discusses how web frameworks Views API can be used to retrieve data from APIs.

• The speaker explains how load images gets kicked off from View's lifecycle APIs when mounted.

• The speaker shows how to create a new response object using Fetch, which is part of the web API browsers must implement.

Retrieving Data from Response Object

• The speaker uses await and Fetch to get JSON representation of whatever came back in response object.

• Speaker removes hard-coded gallery and replaces it with REST await response.JSON() method call.

Conclusion

• [](2:59:31 t:10771s):The video concludes with the speaker deploying the code and testing it by submitting a selfie of themselves and texting it to their Twilio number.

Introduction

In this section, the instructor introduces the course and provides an overview of what will be covered.

Course Overview

• The course is about APIs.

• The course assumes some programming experience.

• The course was created based on learner feedback.

What is an API?

• An API is a way for different software applications to communicate with each other.

• APIs allow developers to access data and functionality from other applications without having to build everything from scratch.

Types of APIs

• GUI or Graphical User Interface

• Button interface

• Web-based APIs

Benefits of Using APIs

• Saves time and effort by not having to create everything from scratch.

• Provides access to data and functionality that would otherwise be difficult or impossible to obtain.

Conclusion

In this section, the instructor summarizes the key points covered in the course.

Key Takeaways

• Use APIs as a way to save time and effort when building software applications.

• There are many types of APIs available, including web-based APIs.

• Always check documentation for naming conventions and other important information when working with an API.

Understanding HTTP and REST

In this section, we will learn about HTTP and REST. We will understand how requests and responses work in HTTP, the importance of headers, caching, authentication information, status codes, and content types. We will also learn about RESTful APIs and their constraints.

Requests and Responses

• Both requests and responses have headers that help communicate what is wanted or sent back.

• Popular request headers allow you to specify information about the expected content like language or type.

• The response contains a super important header called status code that lets you know what happened on the server side.

• Status codes can convey things like missing documents or explain the content type.

RESTful APIs

• REST stands for representational state transfer.

• APIs that meet the REST architectural style constraints are considered to be RESTful.

• There are guiding architectural constraints required for an API to be considered RESTful.

• The client makes a request to a server using HTTP protocol which is stateless.

Resources

• A resource is an object referenced by a URL or URI.

• Almost everything we ever want to build can be expressed in terms of resources and collections.

CRUD Operations

• Most of what we want our applications to do with resources can be expressed through CRUD operations (creating, reading, updating, deleting).

HTTP Headers

This section discusses HTTP headers.

HTTP Headers

• HTTP headers are discussed.

REST and Spotify API

This section introduces REST and the Spotify API.

REST and Spotify API

• The resource creation process using PUT and DELETE is explained.

• The URI style used by Spotify is introduced.

• Pagination, caching, and response codes (200, 404, 500) are discussed.

• The console feature of the Spotify API is demonstrated.

• Building a query using the console is shown.

• OAuth token requirement for accessing the API is explained.

Creating an OAuth Token

This section explains how to create an OAuth token for accessing the Spotify API.

Creating an OAuth Token

• Steps to create an OAuth token are outlined.

• A demo of creating a new account on Spotify is shown.

• Using Gmail's plus sign feature to create multiple accounts is mentioned.

• Gender-inclusive options in account creation are highlighted.

Images with Bicycles

The speaker talks about images with bicycles.

• The speaker mentions that one of the images has a bike.

Setting up a Twilio Account

The speaker walks through setting up a Twilio account.

Creating an Account

• The speaker creates an account and sets up a password.

• They verify their phone number to confirm they are human.

• They select SMS messaging as the product they want to use and plan to build something using code.

• JavaScript is selected as the preferred coding language, and the building country is set to United States.

Exploring Products

• The Explore Products section allows users to access more products than what is shown on the main menu.

• Users can access logs in case of any problems.

• There are options for managing account keys and building trust with customers, but most keys are available from the current page.

Billing

• In trial accounts, users get around $15 to try out different products, including sending text messages.

Getting a Twilio Phone Number

The speaker explains how to get a Twilio phone number.

• To get started, click "Get Twilio Phone Number."

• If your account has been restricted from provisioning new phone numbers, check the notes for ways to get around this.

• The speaker emailed compliancereview@twilio.com to resolve the issue and was able to get a new phone number.

Getting a Twilio Number

In this section, the speaker talks about getting a Twilio number and how to use it.

Getting a Twilio Number

• To get a Twilio number, sign up for an account on the Twilio website.

• After signing up, you will be given an account SID and auth token that you can use to authenticate your requests.

Filtering Messages in Twilio

In this section, the speaker discusses how to filter messages in Twilio using query parameters.

Filtering Messages

• To filter messages in Twilio, go to the message resource and look for "list all messages."

• Use query parameters to filter messages based on specific criteria.

• Copy the example code provided under "list all messages" and paste it into your request URL.

• Modify the query parameters as needed to filter by specific criteria such as phone numbers or dates.

Using Path Parameters in Twilio

In this section, the speaker explains how to use path parameters in Twilio.

Using Path Parameters

• Path parameters are used to replace variables in URLs with specific values.

• To use path parameters in Twilio, look for them under "path parameters" when making requests.

• Replace path parameter variables with their corresponding values from your account console or logs.

Authenticating Requests in Twilio

In this section, the speaker discusses how to authenticate requests in Twilio.

Authenticating Requests

• To authenticate requests in Twilio, use your account SID and auth token as username and password respectively.

• Include your authentication credentials in the request header under "Auth."

• Keep your auth token private and secure.

Understanding JSON and Setting up Twilio

In this section, the speaker explains what JSON is and how to set up Twilio on a local machine.

Introduction to JSON

• The speaker receives a response in JSON format.

• The speaker confirms that the response is indeed in JSON format.

Setting Up Twilio

• The speaker creates a new file called explorer.JS and pastes some code into it.

• The speaker downloads the Twilio Helper library using NPM Install Twilio.

• If Node is not installed on your computer, follow the instructions provided in the notes to install it.

• The required Twilio statement requires the Twilio Helper Library.

• To set up an environment for account SID and Auth token, copy and paste from the console into a new file called "Twilio.env".

• Running "Echo" shows that account SID is available.

• After installing helper library, setting up environment variables, and running source command, run node explorer to list messages.

Understanding Asynchronous JavaScript

In this section, the speaker discusses asynchronous JavaScript and introduces the concept of async/await.

Introducing Async/Await

• The speaker introduces async/await as a way to work with asynchronous functions in JavaScript.

• The speaker explains that async/await is syntactical sugar for working with promises.

• The speaker demonstrates how to define an asynchronous function using the async keyword.

Working with Promises

• The speaker explains that promises have a then and catch method.

• The speaker demonstrates how to use await to wait for a promise to resolve before continuing execution.

• The speaker shows how to use client.messages.list() to get a list of messages.

Deleting Messages

• The speaker creates a new function called "Delete All Messages" that will delete all messages from the list returned by client.messages.list().

• The speaker uses a for loop to iterate over each message in the list and delete it using client.messages(message.sid).remove().

• The speaker demonstrates how to call the Delete All Messages function using .then() and .catch() methods on the promise returned by client.messages.list().

• Finally, the speaker runs the program and confirms that all messages have been deleted.

Smart Object Libraries

In this section, the speaker talks about how libraries have made an object that is smart enough and how they have helper libraries. They also discuss HTTP API things and how the magic is hidden away.

Smart Object Libraries

• The library has made an object that is smart enough.

• The library's kind of the same.

• They have helper libraries.

• It's a lot to understand.

• You can go into more deep things.

• If you want me to explain again, please let me know.

• Don't feel like you need to be able to read this.

HTTP API Things

• A lot of the magic is gone and hidden away.

• Helper libraries abstract away the HTTP client connection.

• The helper libraries are all similar yet different in some ways.

• It feels natural.

Other Tools for Talking to External APIs

• Command line interfaces can be used to make automation-based tasks or batch scripting

• Another common tool for talking to external APIs is using command line interfaces

• Command line interfaces can be used for authentication and do a bunch of different services

• Tasks can be done quickly from the command line.

User Submitted Photos

In this section, the speaker discusses user-submitted photos for a specific prompt. They talk about how users can submit their photos and how they will be displayed.

User Submitted Photos

• Users can submit their photos for a specific prompt.

• The speaker wants to let users submit their photos.

• Users' photos will be displayed on billboards and physical spaces.

• Two things that the listener might be wondering about are discussed.

• The speaker answers one of the questions asked by the listener.

• The focus is on making things work using this API.

Using APIs in HTML

In this section, the speaker talks about using APIs in HTML. They discuss index.html, raw button, and copying files.

Using APIs in HTML

• In unit three video one, there is an index.html file.

• Clicking the Raw button updates pickle here.

• A new file can be made by pasting it here.

• You can have your own version of this if you wanted to look at an index file.

Framework Called View

In this section, the speaker discusses using a framework called View. They also talk about setting up APIs and creating templates.

Framework Called View

• The speaker is using a framework called View

• It also has an API

• The speaker would love for listeners to get some APIs in there

• Mustache is used as a call-to-action

• The speaker can make this say whatever they want it to say.

• Whatever kind of pics that we're trying to collect, we can do it using APIs.

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Overview of the API call

In this section, the speaker explains how to use an API to retrieve a list of pictures asynchronously.

Retrieving the List of Pictures

• The JSON contains a link to the pictures that can be queried.

• The API wraps up the query for us, making it easier to retrieve the list of pictures.

• The retrieval process is asynchronous.

Looping Through Each Picture

In this section, the speaker explains how each picture in the list is looped through and pushed out as a source.

Pushing Out Each Picture as a Source

• Each picture needs to start with "API twilio.com" because its URI is relative.

• The URI unique to each picture comes with a JSON at its end.

• The ".JSON" at the end of each URI needs to be removed so that it returns only the actual picture.

• The message body, description, and alternate text are retrieved for each picture.

Saving and Deploying Code

In this section, the speaker saves and deploys their code while explaining what happens if there are errors.

Saving and Deploying Code

• After writing code, it must be saved and deployed.

• If there are errors, they will need to be worked through until resolved.

Testing API Call

In this section, the speaker tests their API call by hitting it with a request.

Testing API Call

• A request is made using an external public API (Twilio).

• If successful, burritos should appear in response.

Shaping Data for Client App

In this section, the speaker discusses shaping data for a client app.

Shaping Data

• Eventually, pictures will be stored in a database.

• The incoming message function will store valid pictures in the database.

• The data retrieved from the database API will be shaped to match what is expected by the client app.

Using Server-Based and Client-Side APIs

In this section, the speaker discusses using server-based and client-side APIs.

Consuming an API

• The external public API created earlier is consumed.

• The web framework Views API is used to retrieve data.

• Web API Fetch is needed to retrieve data.

Creating a Web-Based API

In this section, the speaker discusses creating a web-based API.

Creating a Web-Based API

• The speaker mentions that they will be creating a web-based API.

• No further information is provided in this short clip.