gistfile1.py

import requests
from flask import Flask
app = Flask(__name__)
 
@app.route("/")
def toggle():
    url = 'https://webrelais.bckspc.de/relais/3'
    if requests.get(url).json()['response']:
        requests.delete(url)
    else:
        requests.post(url)
 
if __name__ == "__main__":
    app.run()