How to connect your GPT on OpenAI to a backend Node.js app Late in 2023, OpenAI introduced GPTs , a way for developers to build customized versions of ChatGPT that can bundle in specialized knowledge, follow preset instructions, or perform actions like reaching out to external APIs. As more and more businesses and individuals use ChatGPT, developers are racing to build powerful GPTs to ride the wave of ChatGPT adoption. Source If you’re thinking about diving into GPT development, we’ve got some good news: Building a powerful GPT mostly involves building an API that handles a few endpoints. And in this post, we’ll show you how to do it. In this walk-through, we’ll build a simple API server with Node.js . We’ll deploy our API to Heroku for simplicity and security. Then, we’ll show you how to create and configure a GPT that reaches out to your API.…