I had received access to GPT-3 API earlier and had played with in the openai playground. However, I found that the API is kind of unusable for the layman. It requires coding skills and a schoolboy or a shopkeeper cannot use the API. Here is where Node Red helped me. I made a flow to connect GPT-3 to a telegram bot and use all the functionalities of GPT-3 from within the bot. Details are here..
https://mistywind.me/how-to-run-all-the-applications-of-gpt3-from-a-single-telegram-bot-of-your-own/