import scrapy
from urllib.parse import urlencode

def get_zenrows_api_url(url, api_key):
    # Define the necessary parameters
    payload = {
        'url': url,
        'js_render': 'true',
        'js_instructions': '[{"wait": 500}]',
        'premium_proxy': 'true',
        'antibot': 'true',
    }

    # Construct the API URL
    api_url = f'https://api.zenrows.com/v1/?apikey={api_key}&{urlencode(payload)}'
    return api_url


class TestSpider(scrapy.Spider):
    name = 'test'

    def start_requests(self):
        urls = [
            'https://angular.io/docs',
        ]
        api_key = 'Your_API_Key'
        for url in urls:
            # make a GET request using the ZenRows API URL
            api_url = get_zenrows_api_url(url, api_key)
            yield scrapy.Request(api_url, callback=self.parse)

    def parse(self, response):
        # Extract and print the title tag
        title = response.css('title::text').get()
        yield {'title': title}