Rails

export FIRECRAWL_API_KEY=fc-YOUR-API-KEY

require "net/http"require "json"require "uri"class FirecrawlService  BASE_URL = "https://api.firecrawl.dev/v2"  def initialize(api_key: ENV.fetch("FIRECRAWL_API_KEY"))    @api_key = api_key  end  def search(query, limit: 5)    post("/search", { query: query, limit: limit })  end  def scrape(url, **options)    post("/scrape", { url: url }.merge(options))  end  def interact(url, prompt, follow_up: nil)    # 1. Hacer scraping para abrir una sesión de navegador    scrape_result = scrape(url, formats: ["markdown"])    scrape_id = scrape_result.dig("data", "metadata", "scrapeId")    # 2. Enviar el primer prompt    post("/scrape/#{scrape_id}/interact", { prompt: prompt })    # 3. Enviar el prompt de seguimiento    result = nil    if follow_up      result = post("/scrape/#{scrape_id}/interact", { prompt: follow_up })    end    # 4. Cerrar la sesión    delete("/scrape/#{scrape_id}/interact")    result || scrape_result  end  private  def post(endpoint, payload)    uri = URI("#{BASE_URL}#{endpoint}")    request = Net::HTTP::Post.new(uri)    request["Authorization"] = "Bearer #{@api_key}"    request["Content-Type"] = "application/json"    request.body = payload.to_json    response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|      http.request(request)    end    JSON.parse(response.body)  end  def delete(endpoint)    uri = URI("#{BASE_URL}#{endpoint}")    request = Net::HTTP::Delete.new(uri)    request["Authorization"] = "Bearer #{@api_key}"    Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|      http.request(request)    end  endend

rails generate controller Firecrawl search scrape interact --skip-routes

class FirecrawlController < ApplicationController  skip_before_action :verify_authenticity_token  def search    service = FirecrawlService.new    result = service.search(params.require(:query), limit: params.fetch(:limit, 5).to_i)    render json: result  end  def scrape    service = FirecrawlService.new    result = service.scrape(params.require(:url))    render json: result  end  def interact    service = FirecrawlService.new    result = service.interact(      params.require(:url),      params.require(:prompt),      follow_up: params[:followUp]    )    render json: result  endend

Rails.application.routes.draw do  post "api/search", to: "firecrawl#search"  post "api/scrape", to: "firecrawl#scrape"  post "api/interact", to: "firecrawl#interact"end

rails server# Buscar en la webcurl -X POST http://localhost:3000/api/search \  -H "Content-Type: application/json" \  -d '{"query": "firecrawl web scraping"}'# Hacer scraping de una páginacurl -X POST http://localhost:3000/api/scrape \  -H "Content-Type: application/json" \  -d '{"url": "https://example.com"}'# Interactuar con una páginacurl -X POST http://localhost:3000/api/interact \  -H "Content-Type: application/json" \  -d '{"url": "https://www.amazon.com", "prompt": "Search for iPhone 16 Pro Max", "followUp": "Click on the first result and tell me the price"}'