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CS52 Workshops: Cool APIs!

The Internet is an amazing place. In part because things like this exist:

But also because it has allowed for dedicated developers, whether at large corporations or part of the open source community, to build software that solves complex problems.

In the world of computer science, we care a lot about abstraction and layers. Cool APIs provide abstracted functionality to your web applications, making them robust and powerful. They can provide a lot of amazing functionality with relative ease. And, you can go around telling everyone your website incorporates ML, AI, etc!

Overview

In this workshop, we're going to build a web app that allows a user to speak into their microphone, then sends that audio to the IBM Cloud to have the Watson Speech-To-Text engine return a string representing the words spoken, along with a confidence level for the accuracy of the prediction.

Here's a live, deployed version of what you're going to create.

You could use something like this in everything from an online chatbot/customer service client, to an ordering platform!

Setup

First you'll need to setup an account with IBM Cloud. This will get you a unique API key that you can use when sending speech-to-text requests. Follow the steps below to complete the setup:

Create An Account

1. Open this link.
2. Fill in the info needed and create an IBM account.
3. Go to your email to click on the confirmation link.
4. Click Log In.
5. Proceed with the acknowledgement (after reading the privacy statement of course -- like you always do