What is the process for adding the openai apikey into a .env file for a react application?

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To add the OpenAI API key into a .env file for a React application, follow these steps:

1. Create a new file called .env in the root directory of your React application.

2. Open the .env file and add the following line:

   REACT_APP_OPENAI_API_KEY=your_api_key_here
   

   Replace your_api_key_here with your actual API key.

3. Save the .env file.

4. In your React application code, use the API key by referencing the process.env.REACT_APP_OPENAI_API_KEY variable.

   For example, in a component that uses the OpenAI API, you could do something like this:

   const response = await fetch('https://api.openai.com/v1/engines/davinci-codex/completions', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': `Bearer ${process.env.REACT_APP_OPENAI_API_KEY}`,
    },
    body: JSON.stringify({
      prompt: '...',
      temperature: 0.5,
      max_tokens: 50,
      n: 1,
    }),
   });
   

   This will use the API key stored in the .env file to authenticate with the OpenAI API.