https://pastebin.com/?fbclid=IwAR2vmDumim7mv-bDvj9JYk2vJARHG1zHXJcRuFe0l1UF90HgJp0ERnefQA0

import scrapy
import json

class ProductsSpider(scrapy.Spider):
    name = 'products'
    page_num={'page':0}

    body = '''
        {"requests":[{"indexName":"shopify_products","params":"highlightPreTag=%3Cais-highlight-0000000000%3E&highlightPostTag=%3C%2Fais-highlight-0000000000%3E&clickAnalytics=true&query=laptop&filters=(price%20%3E%200%20AND%20product_published%20%3D%201%20AND%20availability.displayProduct%20%3D%201)&hitsPerPage=36&distinct=true&maxValuesPerFacet=100&page=1&facets=%5B%22facets.Brand%22%2C%22facets.Price%22%2C%22facets.Category%22%2C%22facets.Availability%22%5D&tagFilters="}]}
    '''

    def start_requests(self):
        yield scrapy.Request(
            url='https://vtvkm5urpx-1.algolianet.com/1/indexes/*/queries?x-algolia-agent=Algolia%20for%20JavaScript%20(4.8.6)%3B%20Browser',
            method='POST',
            headers={
                'content-type': 'application/x-www-form-urlencoded',
                'x-algolia-api-key': 'a0c0108d737ad5ab54a0e2da900bf040',
                'x-algolia-application-id': 'VTVKM5URPX'
            },
            body=self.body,
            callback=self.parse
        )

    def parse(self, response):
        resp = json.loads(response.body)
        hits = resp.get('results')[0].get('hits')
        for h in hits:
            yield {
                'title': h.get('primary_title')
            }

        per_page= resp.get('results')[0].get('page')
        total_page = resp.get('results')[0].get('nbPages')
        per_hit=resp.get('results')[0].get('hitsPerPage')
        total_hits = resp.get('results')[0].get('nbHits')

        if self.page_num['page'] <=total_page & per_hit<= total_hits:
            self.page_num['page'] +=1

            yield scrapy.Request(
                url='https://vtvkm5urpx-1.algolianet.com/1/indexes/*/queries?x-algolia-agent=Algolia%20for%20JavaScript%20(4.8.6)%3B%20Browser',
                method='POST',
                headers={
                    'content-type': 'application/x-www-form-urlencoded',
                    'x-algolia-api-key': 'a0c0108d737ad5ab54a0e2da900bf040',
                    'x-algolia-application-id': 'VTVKM5URPX'
                },
                body=self.body,
                callback=self.parse,
            )