demoi.py

import json
import pickle
import requests

url = "https://ocr.asprise.com/api/v1/receipt"
images = "erty.png"

res = requests.post(url,
                    data={
                        'api_key': 'TEST',
                        'recognizer': 'auto',
                        'ref_no': 'oct_python_123'
                    },
                    files={
                        'file': open(images, 'rb')
                    })
with open("respons12.json", "w") as f:
    json.dump(json.loads(res.text), f)