app.py

from fastapi import FastAPI
from transformers import pipeline

app=FastAPI()

pipe = pipeline("text2text-generation", model="google/flan-t5-small")

@app.get('/')
def home():
    return {'message':'Hello World'}

@app.get('/generate')
def generate(text:str):
    output=pipe(text)

    #returning the generated text in json
    return {'output':output[0]['generated_text']}