twilio-openai-function.js

const got = require('got');

exports.handler = function(context, event, callback) {
    let message = "";
    let twiml = new Twilio.twiml.MessagingResponse();
    const prompt = event.Body !== undefined ? event.Body.trim() : event["prompt"]

    got.post('https://api.openai.com/v1/engines/davinci/completions', {
            json: {
                "prompt": prompt,
                "max_tokens": 50,
                "temperature": 0.9,
                "top_p": 1,
                "presence_penalty": 0.4,
                "frequency_penalty": 0.75,
                "stop": "\n",
            },
            headers: {
                'Authorization': `Bearer ${context.OPENAI_SECRET_KEY}`,
            }
    })
    .json()
    .then(response => {
        message = response.choices[0].text
    })
    .catch(error => {
        console.log(error);
        message = "Oops! Something went wrong.";
    })
    .finally(() => {
        twiml.message(message);
        callback(null, twiml);
    });
};