app.py

import gradio as gr
import requests
def greet(name='World'):
    url = 'http://localhost:8000/'
    raw_response = requests.get(url)
    return raw_response.text

import subprocess 
subprocess.Popen("python api.py", shell=True)

demo = gr.Interface(fn=greet, inputs="text", outputs="text")
demo.launch()