The code we use to fetch and return ChatGPT responses with a custom prompt. This code has been simplified to be user friendly from what is currently used at WowAgent. We do not and will not provide official support for this code, and it may become outdated. Use at your own risk, no warranty is given or implied.

gpt-reply.js

var options = {
  'method': 'POST',
  'url': 'https://api.openai.com/v1/chat/completions',
  'headers': {
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'Authorization': process.env.openAiKey
  },
  body: JSON.stringify({
    "model": "gpt-3.5-turbo",
    "messages": [
      {
        "role": "system",
        "content": prompt
      },
      {
        "role": "user",
        "content": req.query.prompt
      }
    ]
  })

};
request(options, function (error, response) {
  if (error) throw new Error(error);
  return `<span style="font-size: 20px; font-family: Arial;">${JSON.parse(response.body).choices[0].message.content}</span>`
});
})