3 minutes to read - Mar 30, 2023

Cohere tutorial: Build a product description generator API with Cohere

VISIT
Cohere tutorial: Build a product description generator API with Cohere
By the end of this tutorial, you will have a working product description generator API with cohere. You can use this API to generate product descriptions for your own products. This tutorial is suitable for everyone who have some basic knowledge of Javascript/NodeJS. If you are not familiar with this language, you may want to check out the following resources before getting started.
Table of Contents
1Getting Cohere API Key
2Clone the Express boilerplate from Github
3Running the project locally
4Add the Cohere API key to the .env file
5Create Routing for the API
6Create generator function
7Use the generator function in the POST route
8Run the project locally and test it with Postman or Insomnia or whatever you prefer :)

We will be using xlarge model from Cohere.

Getting Cohere API Key

You can get one by signing up https://app.cohere.io/dashboard. Visit the Cohere dashboard to retrieve your API key. If you haven't previously connected a session, you should see it in the main screen. Otherwise, you can find it in the settings page.

Clone the Express boilerplate from Github

In this tutorial we will be using an express boilerplate that will make our lives easier.

Copy this repository Express Boilerplate onto your computer and add to your own repositories.

Running the project locally

1. Install the dependencies with yarn or npm
2. Run the server with yarn dev or npm dev

Add the Cohere API key to the .env file

Create a .env file in the root of the project and add your API key to it. Remember never share your API key with anyone. COHERE_API_KEY={YOUR_API_KEY}

Create Routing for the API

1. Create routes folder in the root of the project
2. Create description.js file in the routes folder
3. Add the following code to the description.js file to have a working router

4. Add the route to the index.js file in the root of the project
5. Add the import to the top of the file `const description = require("./routes/description.js");
6. Add the route under the app.get route app.use("/", description);

Create generator function

1. Create a folder in the root of the project called lib
2. Create a file name called description-generator.js in the lib folder
3. Add the following code to the description-generator.js file to have a working generator function

Use the generator function in the POST route

Update the description.js file with the following code to use the generator function in the POST route

Run the project locally and test it with Postman or Insomnia or whatever you prefer :)

Send a Post request to localhost:3000/description with these keys, product and keywords

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