The video tutorial guides viewers through setting up a workspace in Postmark, creating and configuring a new API request, and testing it with OpenAI's GPT-3.5 Turbo model. It covers setting up the URL, handling errors, adding parameters, defining model roles, and testing the API response.

What is the first step in creating a new request in Postman?

• Select the type of request

• Navigate through collections

• Add the API key

• Enter the URL

Where can you find the endpoint for a specific OpenAI model?

• In the OpenAI documentation section

• In the API key settings

• On the OpenAI homepage

• In the Postman app

What does a status code of 400 indicate?

• Server error

• Bad request

• Unauthorized access

• Successful request

What must be added to resolve a 'bad request' error?

• A valid URL

• A model parameter

• A JSON body

• A POST method

What format should the body of the request be in?

• HTML format

• Plain text

• XML format

• JSON format

What role is assigned to the GPT model in the request?

• Web developer

• Python instructor

• System administrator

• Data analyst

What is the purpose of the 'Beautify' function in Postman?

• To execute the request

• To save the request

• To format the code neatly

• To validate the API key