text: a dict, get the value directly.')    Thought: I should look at the $ref key to get the value directly    Action: json_spec_get_value    Action Input: data["paths"]["/completions"]["post"]["requestBody"]["content"]["application/json"]["schema"]["$ref"]    Observation: #/components/schemas/CreateCompletionRequest    Thought: I should look at the CreateCompletionRequest schema to see what parameters are required    Action: json_spec_list_keys    Action Input: data["components"]["schemas"]["CreateCompletionRequest"]    Observation: ['type', 'properties', 'required']    Thought: I should look at the required key to see what parameters are required    Action: json_spec_get_value    Action Input: data["components"]["schemas"]["CreateCompletionRequest"]["required"]    Observation: ['model']    Thought: I now know the final answer    Final Answer: The required parameters for a POST request to the /completions endpoint are 'model'.        > Finished chain.        Observation: The required parameters for a POST request to the /completions endpoint are 'model'.    Thought: I now know the parameters needed to make the request.    Action: requests_post    Action Input: { "url": "https://api.openai.com/v1/completions", "data": { "model": "davinci", "prompt": "tell me a joke" } }    Observation: {"id":"cmpl-70Ivzip3dazrIXU8DSVJGzFJj2rdv","object":"text_completion","created":1680307139,"model":"davinci","choices":[{"text":" with mummy not thereâ€�\n\nYou