Firecrawlをつかってみる

AI

Firecrawlとは?

Firecrawlは、一言で言えば「ウェブ上の膨大な情報を、AIが即座に理解できる『言語』に翻訳して届けるゲートウェイ」です。

従来のスクレイピングツール(BeautifulSoupやPuppeteerなど)が「エンジニアが手作業で解析するための道具」だったのに対し、Firecrawlは「AI(LLM)に食べさせるデータを作るための専用機」として、主に以下の用途で爆発的に普及しています。

クラウド版に加えて、オープンソースも提供されているのは魅力です。

主な用途

1. RAG(検索拡張生成)のデータ基盤

今、最も多い用途がこれです。 AIに自社独自の知識を持たせる「RAG」を作る際、自社の公式サイトやドキュメントを読み込ませる必要があります。Firecrawlはサイト全体を自動で巡回(クロール)し、不要な広告やメニューを排除して純粋な本文だけ」をMarkdown形式で抽出してくれるため、回答精度が劇的に上がります。

2. インテリジェントな競合調査・価格モニタリング

マーケティングチームが、競合他社のサイトを定期的にチェックするために使われます。 「競合が新製品を出したか?」「価格をいくらに設定したか?」といった情報を、HTMLを解析することなく自然言語の指示(例:製品名と価格を抽出して)だけで構造化データ(JSON)として取得できます。

3. AIエージェントの「目」として

「最新のニュースを調べてレポートを書いて」と頼まれたAIエージェントが、実際にウェブを見に行く際のツールとして組み込まれます。 JavaScriptで動的に生成される複雑なサイトでも、Firecrawlが裏側でレンダリング(描画)を代行してくれるため、AIは「人間が見ているのと同じ情報」をテキストとして受け取ることができます。

4. 専門的なナレッジベースの構築

特定の業界(医療、法律、技術ドキュメントなど)の情報を大量に集め、独自の学習データやデータベースを作る際に活用されます。 数千ページあるドキュメントサイトでも、URLを一つ入れるだけで「AIが読みやすいクリーンなデータ」の山に変えてくれるため、データ準備の時間が9割削減されると言われています。

Firecrawlの4つの主要機能

機能動作用途
1. Scrape指定した1つのURLのデータを取得する。特定のページだけピンポイントで欲しい時。
2. Crawl指定したURLを起点に、リンクを辿って**サイト全体(または指定深度まで)**を巡回して取得する。サイト丸ごとデータを集めたい時(今の構成はこれ)。
3. Map 🔍サイト内のURLリストだけを高速に取得する。(中身は取得しない)「まずはどんなページがあるか把握したい」時。RAGで「関連しそうなURLだけ選んでからScrapeする」という効率的なフローが作れます。
4. Batch Scrape 🚀指定した複数のURLを一気に並列で取得する。既にURLリスト(Mapの結果など)を持っていて、それらを一括で高速に処理したい時。

使ってみる

サインアップ時に以下のコードが表示される

curl -X POST 'https://api.firecrawl.dev/v2/scrape' \
-H 'Authorization: Bearer {your token}' \
-H 'Content-Type: application/json' \
-d $'{
  "url": "firecrawl.dev"
}'

以下のようにjsonでクロール結果が得られる

{
  "success": true,
  "data": {
    "markdown": "Introducing Spark 1 Pro and Spark 1 Mini models in /agent. [Try it now →](https://www.firecrawl.dev/agent)\n\n[2 Months Free — Annually](https://www.firecrawl.dev/pricing)\n\n# Turn websites into   LLM-ready data\n\nPower your AI apps with clean web data\n\nfrom any website. [It's also open source.](https://github.com/firecrawl/firecrawl)\n\nScrape\n\nSearch\n\nAgent\n\nMap\n\nCrawl\n\nScrape\n\n9A--\n\n\\[ .JSON \\]\n\n```json\n1[\\\n2  {\\\n3    \"url\": \"?-**!-!9A0--0=-9c*-\",\\\n4    \"markdown\": \"- 9=tti-? !a0A9*0.Z*\",\\\n5    \"json\": { \"title\": \"auadZ\", \"docs\": \"...\" },\\\n6    \"screenshot\": \"h?t?-Z/-AA!apl--Z-m/AeZ?.png\"\\\n7  }\\\n8]\n```\n\nacraAi-!...\n\nTrusted by5000+\n\ncompaniesof all sizes\n\n![Logo 17](https://www.firecrawl.dev/assets-original/logocloud/17.png)\n\n![Logo 18](https://www.firecrawl.dev/assets-original/logocloud/18.png)\n\n![Logo 1](https://www.firecrawl.dev/assets-original/logocloud/1.png)\n\n![Logo 2](https://www.firecrawl.dev/assets-original/logocloud/2.png)\n\n![Logo 3](https://www.firecrawl.dev/assets-original/logocloud/3.png)\n\n![Logo 5](https://www.firecrawl.dev/assets-original/logocloud/5.png)\n\n![Logo 6](https://www.firecrawl.dev/assets-original/logocloud/6.png)\n\n![Logo 7](https://www.firecrawl.dev/assets-original/logocloud/7.png)\n\n![Logo 8](https://www.firecrawl.dev/assets-original/logocloud/8.png)\n\n![Logo 9](https://www.firecrawl.dev/assets-original/logocloud/9.png)\n\n![Logo 10](https://www.firecrawl.dev/assets-original/logocloud/10.png)\n\n![Logo 11](https://www.firecrawl.dev/assets-original/logocloud/11.png)\n\n![Logo 12](https://www.firecrawl.dev/assets-original/logocloud/12.png)\n\n![Logo 13](https://www.firecrawl.dev/assets-original/logocloud/13.png)\n\n![Logo 14](https://www.firecrawl.dev/assets-original/logocloud/14.png)\n\n![Logo 15](https://www.firecrawl.dev/assets-original/logocloud/15.png)\n\n![Logo 16](https://www.firecrawl.dev/assets-original/logocloud/16.png)\n\n![Logo 17](https://www.firecrawl.dev/assets-original/logocloud/17.png)\n\n![Logo 18](https://www.firecrawl.dev/assets-original/logocloud/18.png)\n\n![Logo 19](https://www.firecrawl.dev/assets-original/logocloud/19.png)\n\n![Logo 20](https://www.firecrawl.dev/assets-original/logocloud/20.png)\n\n![Logo 21](https://www.firecrawl.dev/assets-original/logocloud/21.png)\n\n![Logo 17](https://www.firecrawl.dev/assets-original/logocloud/17.png)\n\n![Logo 18](https://www.firecrawl.dev/assets-original/logocloud/18.png)\n\n![Logo 1](https://www.firecrawl.dev/assets-original/logocloud/1.png)\n\n![Logo 2](https://www.firecrawl.dev/assets-original/logocloud/2.png)\n\n![Logo 3](https://www.firecrawl.dev/assets-original/logocloud/3.png)\n\n![Logo 5](https://www.firecrawl.dev/assets-original/logocloud/5.png)\n\n![Logo 6](https://www.firecrawl.dev/assets-original/logocloud/6.png)\n\n![Logo 7](https://www.firecrawl.dev/assets-original/logocloud/7.png)\n\n![Logo 8](https://www.firecrawl.dev/assets-original/logocloud/8.png)\n\n![Logo 9](https://www.firecrawl.dev/assets-original/logocloud/9.png)\n\n![Logo 10](https://www.firecrawl.dev/assets-original/logocloud/10.png)\n\n![Logo 11](https://www.firecrawl.dev/assets-original/logocloud/11.png)\n\n![Logo 12](https://www.firecrawl.dev/assets-original/logocloud/12.png)\n\n![Logo 13](https://www.firecrawl.dev/assets-original/logocloud/13.png)\n\n![Logo 14](https://www.firecrawl.dev/assets-original/logocloud/14.png)\n\n![Logo 15](https://www.firecrawl.dev/assets-original/logocloud/15.png)\n\n![Logo 16](https://www.firecrawl.dev/assets-original/logocloud/16.png)\n\n![Logo 17](https://www.firecrawl.dev/assets-original/logocloud/17.png)\n\n![Logo 18](https://www.firecrawl.dev/assets-original/logocloud/18.png)\n\n![Logo 19](https://www.firecrawl.dev/assets-original/logocloud/19.png)\n\n![Logo 20](https://www.firecrawl.dev/assets-original/logocloud/20.png)\n\n![Logo 21](https://www.firecrawl.dev/assets-original/logocloud/21.png)\n\n\\[ 01 /07 \\]\n\n·\n\nMain Features\n\n//\n\nDeveloper First\n\n//\n\n## Startscraping   today\n\nEnhance your apps with industry leading web scraping and crawling capabilities.\n\nScrape\n\nGet llm-ready data from websites. Markdown, JSON, screenshot, etc.\n\nSearch\n\nNew\n\nSearch the web and get full content from results.\n\nCrawl\n\nCrawl all the pages on a website and get data for each page.\n\nPython\n\nNode.js\n\nCurl\n\nCopy code\n\n```python\n1# pip install firecrawl-py\n2from firecrawl import Firecrawl\n3\n4app = Firecrawl(api_key=\"fc-YOUR_API_KEY\")\n5\n6# Scrape a website:\n7app.scrape('firecrawl.dev')\n8\n9\n10\n```\n\n\\[ .MD \\]\n\n```markdown\n1# Firecrawl\n2\n3Firecrawl is a powerful web scraping\n4library that makes it easy to extract\n5data from websites.\n6\n7## Installation\n8\n9To install Firecrawl, run:\n10\n11\n```\n\n![developer-1](https://www.firecrawl.dev/assets/developer/1.png)\n\n![developer-2](https://www.firecrawl.dev/assets/developer/2.png)\n\n![developer-3](https://www.firecrawl.dev/assets/developer/3.png)\n\n![developer-4](https://www.firecrawl.dev/assets/developer/4.png)\n\n![developer-5](https://www.firecrawl.dev/assets/developer/5.png)\n\n![developer-6](https://www.firecrawl.dev/assets/developer/6.png)\n\n![developer-7](https://www.firecrawl.dev/assets/developer/7.png)\n\n![developer-8](https://www.firecrawl.dev/assets/developer/8.png)\n\n![developer-9](https://www.firecrawl.dev/assets/developer/1.png)\n\n![developer-10](https://www.firecrawl.dev/assets/developer/2.png)\n\n![developer-11](https://www.firecrawl.dev/assets/developer/3.png)\n\n![developer-12](https://www.firecrawl.dev/assets/developer/4.png)\n\n![developer-13](https://www.firecrawl.dev/assets/developer/5.png)\n\n![developer-14](https://www.firecrawl.dev/assets/developer/6.png)\n\n![developer-15](https://www.firecrawl.dev/assets/developer/7.png)\n\n![developer-16](https://www.firecrawl.dev/assets/developer/8.png)\n\n![developer-17](https://www.firecrawl.dev/assets/developer/1.png)\n\n![developer-18](https://www.firecrawl.dev/assets/developer/2.png)\n\n![developer-19](https://www.firecrawl.dev/assets/developer/3.png)\n\n![developer-20](https://www.firecrawl.dev/assets/developer/4.png)\n\n![developer-21](https://www.firecrawl.dev/assets/developer/5.png)\n\n![developer-22](https://www.firecrawl.dev/assets/developer/6.png)\n\n![developer-23](https://www.firecrawl.dev/assets/developer/7.png)\n\n![developer-24](https://www.firecrawl.dev/assets/developer/8.png)\n\nIntegrations\n\n### Use well-known tools\n\nAlready fully integrated with the greatest existing tools and workflows.\n\n[See all integrations](https://www.firecrawl.dev/app)\n\n![Firecrawl icon (blueprint)](https://www.firecrawl.dev/assets-original/developer-os-icon.png)\n\nmendableai/firecrawl\n\nPublic\n\nStar\n\n75.5K\n\n\\[python-SDK\\] improvs/async\n\n#1337\n\n·\n\nApr 18, 2025\n\n·\n\n![rafaelsideguide](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F150964962%3Fv%3D4&w=48&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\nrafaelsideguide\n\nfeat(extract): cost limit\n\n#1473\n\n·\n\nApr 17, 2025\n\n·\n\n![mogery](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F66118807%3Fv%3D4&w=48&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\nmogery\n\nfeat(scrape): get job result from GCS, avoid Redis\n\n#1461\n\n·\n\nApr 15, 2025\n\n·\n\n![mogery](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F66118807%3Fv%3D4&w=48&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\nmogery\n\nExtract v2/rerank improvs\n\n#1437\n\n·\n\nApr 11, 2025\n\n·\n\n![rafaelsideguide](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F150964962%3Fv%3D4&w=48&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\nrafaelsideguide\n\n![https://avatars.githubusercontent.com/u/150964962?v=4](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F150964962%3Fv%3D4&w=96&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\n![https://avatars.githubusercontent.com/u/66118807?v=4](https://www.firecrawl.dev/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F66118807%3Fv%3D4&w=96&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\n+90\n\nOpen Source\n\n### Code you can trust\n\nDeveloped transparently and collaboratively. Join our community of contributors.\n\n[Check out our repo](https://github.com/firecrawl/firecrawl)\n\n\\[ 02 /07 \\]\n\n·\n\nCore\n\n//\n\nBuilt to outperform\n\n//\n\n## Core principles,    proven performance\n\nBuilt from the ground up to outperform traditional scrapers.\n\nNo proxy headaches\n\nReliable.Covers 96% of the web,\n\nincluding JS-heavy and protected pages. No proxies, no puppets, just clean data.\n\nFirecrawl\n\n47%\n\n![Puppeteer icon](https://www.firecrawl.dev/assets/puppeteer.png)\n\nPuppeteer\n\n44%\n\ncURL\n\n43%\n\nSpeed that feels invisible\n\nBlazingly fast.Delivers results in less than 1 second, fast for real-time agents\n\nand dynamic apps.\n\nURL\n\nCrawl\n\nScrape\n\nfirecrawl.dev/careers\n\n52ms\n\n52ms\n\nfirecrawl.dev/about\n\n52ms\n\n49ms\n\nfirecrawl.dev/docs\n\n50ms\n\n51ms\n\nfirecrawl.dev/careers\n\n51ms\n\n52ms\n\nfirecrawl.dev/careers\n\n51ms\n\n49ms\n\nfirecrawl.dev/faq\n\n50ms\n\n49ms\n\n\\[ CTA \\]\n\n\\[ CRAWL \\]\n\n\\[ SCRAPE \\]\n\n\\[ CTA \\]\n\n//\n\nGet started\n\n//\n\nReady to build?\n\nStart getting Web Data for free and scale seamlessly as your project expands. No credit card needed.\n\n[Start for free](https://www.firecrawl.dev/signin) [See our plans](https://www.firecrawl.dev/pricing)\n\n\\[ 03 /07 \\]\n\n·\n\nFeatures\n\n//\n\nZero configuration\n\n//\n\n## We handle the hard stuff\n\nRotating proxies, orchestration, rate limits, js-blocked content and more.\n\nDocs to data\n\nMedia parsing.Firecrawl can parse and output content from web hosted pdfs, docx, and more.\n\nhttps://example.com/docs/report.pdf\n\nhttps://example.com/files/brief.docx\n\nhttps://example.com/docs/guide.html\n\ndocx\n\nParsing...\n\nKnows the moment\n\nSmart wait.Firecrawl intelligently waits for content to load, making scraping faster and more reliable.\n\nhttps://example-spa.com\n\nRequest Sent\n\nScrapes the real thing\n\nCached, when you need it.Selective caching, you choose your caching patterns, growing web index.\n\n![User](https://www.firecrawl.dev/_next/image?url=%2Fassets-original%2Ffeatures%2Fcached-user.png&w=256&q=75&dpl=dpl_EtzHMg2AR9M3hTPaHWmAWtftHfxX)\n\nUser\n\nFirecrawl\n\nCache & Web\n\nInvisible access\n\nStealth mode.Crawls the web, including the sites other services can't. Get what you need without sharing your personal info.\n\nInteractive scraping\n\nActions.Click, scroll, write, wait, press and more before extracting content.\n\nhttps://example.com\n\nNavigate\n\nClick\n\nType\n\nWait\n\nScroll\n\nPress\n\nScreenshot\n\nScrape\n\n\\[ 04 /07 \\]\n\n·\n\nPricing\n\n//\n\nTransparent\n\n//\n\n## Flexible pricing\n\nExplore transparent pricing built for real-world scraping.  Start for free, then scale as you grow.\n\n🇳🇴NOK\n\nFree Plan\n\nA lightweight way to try scraping.\n\nNo cost, no card, no hassle.\n\n500 credits (one-time)\n\nkr0123456789\n\none-time\n\nGet started\n\nScrape 500 pages\n\n2 concurrent requests\n\nLow rate limits\n\nHobby\n\nGreat for side projects and small tools.\n\nFast, simple, no overkill.\n\n3,000 credits / month\n\nkr01234567890123456789\n\n/monthly\n\nBilled yearly\n\n2 months free\n\nSubscribe\n\nScrape 3,000 pages\n\n5 concurrent requests\n\nBasic support\n\nkr9 per extra 1k credits\n\nStandard\n\nMost popular\n\nPerfect for scaling with less effort.\n\nSimple, solid, dependable.\n\n100,000 credits / month\n\nkr01234567890123456789\n\n/monthly\n\nBilled yearly\n\n2 months free\n\nSubscribe\n\nScrape 100,000 pages\n\n50 concurrent requests\n\nStandard support\n\nkr47 per extra 35k credits\n\nGrowth\n\nBuilt for high volume and speed.\n\nFirecrawl at full force.\n\n500,000 credits / month\n\nkr012345678901234567890123456789\n\n/monthly\n\nBilled yearly\n\n2 months free\n\nSubscribe\n\nScrape 500,000 pages\n\n100 concurrent requests\n\nPriority support\n\nkr177 per extra 175k credits\n\nExtra credits are available via auto-recharge packs. [Enable](https://www.firecrawl.dev/signin?view=signup)\n\nActual price may vary based on the exchange rate in place between USD and NOK at the time of payment processing or invoicing. Prices exclude all taxes, levies and duties and are paid in USD.\n\n## Scale Plans\n\nHigh-volume plans for teams that need more power and dedicated support. Get access to higher rate limits, more concurrent browsers, and priority support.\n\n[Need more? Contact us](https://fk4bvu0n5qp.typeform.com/to/Ej6oydlg)\n\nScale\n\nFor teams scaling their data pipelines\n\n1,000,000 credits\n\nkr599per month\n\nBilled yearly\n\n2 months free\n\nSubscribe\n\nScrape 1,000,000 pages\n\n150 concurrent requests\n\nPriority support\n\nEnterprise\n\nPower at your pace with custom solutions\n\nCustom credits\n\nCustom\n\n[Get Started](https://fk4bvu0n5qp.typeform.com/to/Ej6oydlg)\n\nScrape unlimited pages\n\nCustom concurrent requests\n\nDedicated support & SLA\n\nBulk discounts\n\nZero-data retention\n\nSSO & advanced security\n\n\\[ 05 /07 \\]\n\n·\n\nTestimonials\n\n//\n\nCommunity\n\n//\n\n## People love    building with Firecrawl\n\nDiscover why developers choose Firecrawl every day.\n\n[![Morgan Linton](https://www.firecrawl.dev/assets/testimonials/morgan-linton.png)Morgan Linton@morganlinton\"If you're coding with AI, and haven't discovered @firecrawl yet, prepare to have your mind blown 🤯\"](https://x.com/morganlinton/status/1839454165703204955) [![Chris DeWeese](https://www.firecrawl.dev/assets/testimonials/chris-deweese.png)Chris DeWeese@chrisdeweese\\_\"Started using @firecrawl for a project, I wish I used this sooner.\"](https://x.com/chrisdeweese_/status/1853587120406876601) [![Alex Reibman](https://www.firecrawl.dev/assets/testimonials/alex-reibman.png)Alex Reibman@AlexReibman\"Moved our internal agent's web scraping tool from Apify to Firecrawl because it benchmarked 50x faster with AgentOps.\"](https://x.com/AlexReibman/status/1780299595484131836) [![Tom - Morpho](https://www.firecrawl.dev/assets/testimonials/tom-morpho.png)Tom - Morpho@TomReppelin\"I found gold today. Thank you @firecrawl\"](https://x.com/TomReppelin/status/1844382491014201613)\n\n[![Morgan Linton](https://www.firecrawl.dev/assets/testimonials/morgan-linton.png)Morgan Linton@morganlinton\"If you're coding with AI, and haven't discovered @firecrawl yet, prepare to have your mind blown 🤯\"](https://x.com/morganlinton/status/1839454165703204955) [![Chris DeWeese](https://www.firecrawl.dev/assets/testimonials/chris-deweese.png)Chris DeWeese@chrisdeweese\\_\"Started using @firecrawl for a project, I wish I used this sooner.\"](https://x.com/chrisdeweese_/status/1853587120406876601) [![Alex Reibman](https://www.firecrawl.dev/assets/testimonials/alex-reibman.png)Alex Reibman@AlexReibman\"Moved our internal agent's web scraping tool from Apify to Firecrawl because it benchmarked 50x faster with AgentOps.\"](https://x.com/AlexReibman/status/1780299595484131836) [![Tom - Morpho](https://www.firecrawl.dev/assets/testimonials/tom-morpho.png)Tom - Morpho@TomReppelin\"I found gold today. Thank you @firecrawl\"](https://x.com/TomReppelin/status/1844382491014201613)\n\n[![Bardia](https://www.firecrawl.dev/assets/testimonials/bardia.png)Bardia@thepericulum\"The Firecrawl team ships. I wanted types for their node SDK, and less than an hour later, I got them.\"](https://x.com/thepericulum/status/1781397799487078874) [![Matt Busigin](https://www.firecrawl.dev/assets/testimonials/matt-busigin.png)Matt Busigin@mbusigin\"Firecrawl is dope. Congrats guys 👏\"](https://x.com/mbusigin/status/1836065372010656069) [![Sumanth](https://www.firecrawl.dev/assets/testimonials/sumanth.png)Sumanth@Sumanth\\_077\"Web scraping will never be the same!\\\\\n\\\\\nFirecrawl is an open-source framework that takes a URL, crawls it, and conver...\"](https://x.com/Sumanth_077/status/1940049003074478511) [![Steven Tey](https://www.firecrawl.dev/assets/testimonials/steven-tey.png)Steven Tey@steventey\"Open-source Clay alternative just dropped\\\\\n\\\\\nUpload a CSV of emails and...\"](https://x.com/steventey/status/1932945651761098889)\n\n[![Bardia](https://www.firecrawl.dev/assets/testimonials/bardia.png)Bardia@thepericulum\"The Firecrawl team ships. I wanted types for their node SDK, and less than an hour later, I got them.\"](https://x.com/thepericulum/status/1781397799487078874) [![Matt Busigin](https://www.firecrawl.dev/assets/testimonials/matt-busigin.png)Matt Busigin@mbusigin\"Firecrawl is dope. Congrats guys 👏\"](https://x.com/mbusigin/status/1836065372010656069) [![Sumanth](https://www.firecrawl.dev/assets/testimonials/sumanth.png)Sumanth@Sumanth\\_077\"Web scraping will never be the same!\\\\\n\\\\\nFirecrawl is an open-source framework that takes a URL, crawls it, and conver...\"](https://x.com/Sumanth_077/status/1940049003074478511) [![Steven Tey](https://www.firecrawl.dev/assets/testimonials/steven-tey.png)Steven Tey@steventey\"Open-source Clay alternative just dropped\\\\\n\\\\\nUpload a CSV of emails and...\"](https://x.com/steventey/status/1932945651761098889)\n\n\\[ 06 /07 \\]\n\n·\n\nUse Cases\n\n//\n\nUse cases\n\n//\n\n## Transform    web data into   AI-powered solutions\n\nDiscover how Firecrawl customers are getting the most out of our API.\n\n[View all use cases](https://www.firecrawl.dev/use-cases)\n\nChat with context\n\nSmarter AI chats\n\nPower your AI assistants with real-time, accurate web content.\n\n[Learn more](https://www.firecrawl.dev/use-cases/ai-chats)\n\n![AI Assistant](https://www.firecrawl.dev/assets/ai/bot.png)\n\nAI Assistant\n\nwithFirecrawl\n\nReal-time·Updated 2 min ago\n\nAsk anything...\n\nKnow your leads\n\nLead enrichment\n\nEnhance your sales data with\n\nweb information.\n\n[Learn more](https://www.firecrawl.dev/use-cases/lead-enrichment)\n\nExtracting leads from directory...\n\nTech startups\n\nWith contact info\n\nDecision makers\n\nFunding stage\n\nReady to engage\n\n![Emily Tran](https://www.firecrawl.dev/assets/ai/leads-1.png)\n\n![James Carter](https://www.firecrawl.dev/assets/ai/leads-2.png)\n\n![Sophia Kim](https://www.firecrawl.dev/assets/ai/leads-3.png)\n\n![Michael Rivera](https://www.firecrawl.dev/assets/ai/leads-4.png)\n\nKnow your leads\n\nMCPs\n\nAdd powerful scraping to your\n\ncode editors.\n\n[Learn more](https://www.firecrawl.dev/use-cases/ai-mcps)\n\n![Claude Code](https://www.firecrawl.dev/assets/ai/mcps-claude.png)\n\nClaude Code\n\n![Cursor](https://www.firecrawl.dev/assets/ai/mcps-cursor.png)\n\nCursor\n\n![Windsurf](https://www.firecrawl.dev/assets/ai/mcps-windsurf.png)\n\nWindsurf\n\n✻\n\nWelcome to Claude Code!\n\n/help for help, /status for your current setup\n\n>Try \"how do I log an error?\"\n\nBuild with context\n\nAI platforms\n\nLet your customers build AI apps\n\nwith web data.\n\n[Learn more](https://www.firecrawl.dev/use-cases/ai-platforms)\n\n![Logo 1](https://www.firecrawl.dev/assets/ai/platforms-1.png)\n\n![Logo 2](https://www.firecrawl.dev/assets/ai/platforms-2.png)\n\n![Logo 4](https://www.firecrawl.dev/assets/ai/platforms-4.png)\n\n![Logo 3](https://www.firecrawl.dev/assets/ai/platforms-3.png)\n\nExtracting text...\n\nNo insight missed\n\nDeep research\n\nExtract comprehensive information for\n\nin-depth research.\n\n[Learn more](https://www.firecrawl.dev/use-cases/deep-research)\n\nDeep research in progress...\n\nAcademic papers\n\n0 found\n\nNews articles\n\n0 found\n\nExpert opinions\n\n0 found\n\nResearch reports\n\n0 found\n\nIndustry data\n\n0 found\n\nAsk anything...\n\n\\[ CTA \\]\n\n\\[ CRAWL \\]\n\n\\[ SCRAPE \\]\n\n\\[ CTA \\]\n\n//\n\nGet started\n\n//\n\nReady to build?\n\nStart getting Web Data for free and scale seamlessly as your project expands. No credit card needed.\n\n[Start for free](https://www.firecrawl.dev/signin) [See our plans](https://www.firecrawl.dev/pricing)\n\n\\[ 07 /07 \\]\n\n·\n\nFAQ\n\n//\n\nFAQ\n\n//\n\n## Frequently    asked questions\n\nEverything you need to know about Firecrawl.\n\nGeneral\n\nWhat is Firecrawl?\n\nWhat sites work?\n\nWho can benefit from using Firecrawl?\n\nIs Firecrawl open-source?\n\nWhat is the difference between Firecrawl and other web scrapers?\n\nWhat is the difference between the open-source version and the hosted version?\n\nScraping & Crawling\n\nHow does Firecrawl handle dynamic content on websites?\n\nWhy is it not crawling all the pages?\n\nCan Firecrawl crawl websites without a sitemap?\n\nWhat formats can Firecrawl convert web data into?\n\nHow does Firecrawl ensure the cleanliness of the data?\n\nIs Firecrawl suitable for large-scale data scraping projects?\n\nDoes it respect robots.txt?\n\nWhat measures does Firecrawl take to handle web scraping challenges like rate limits and caching?\n\nDoes Firecrawl handle complex websites?\n\nAPI Related\n\nWhere can I find my API key?\n\nBilling\n\nIs Firecrawl free?\n\nIs there a pay-per-use plan instead of monthly?\n\nDo credits roll over to the next month?\n\nHow many credits do scraping and crawling cost?\n\nDo you charge for failed requests?\n\nWhat payment methods do you accept?\n\nFOOTER\n\nThe easiest way to extract\n\ndata from the web\n\nBacked by\n\nY Combinator\n\n[Linkedin](https://www.linkedin.com/company/firecrawl) [Github](https://github.com/firecrawl/firecrawl) [YouTube](https://www.youtube.com/@Firecrawl_dev)\n\nSOC II · Type 2\n\nAICPA\n\nSOC 2\n\n[X (Twitter)](https://x.com/firecrawl) [Discord](https://discord.gg/gSmWdAkdwd)\n\nProducts\n\n[Playground](https://www.firecrawl.dev/playground) [Extract](https://www.firecrawl.dev/extract) [Pricing](https://www.firecrawl.dev/pricing) [Templates](https://www.firecrawl.dev/templates) [Changelog](https://www.firecrawl.dev/changelog)\n\nUse Cases\n\n[AI Platforms](https://www.firecrawl.dev/use-cases/ai-platforms) [Lead Enrichment](https://www.firecrawl.dev/use-cases/lead-enrichment) [SEO Teams](https://www.firecrawl.dev/use-cases/seo-teams) [Deep Research](https://www.firecrawl.dev/use-cases/deep-research) [Competitive Intelligence](https://www.firecrawl.dev/use-cases/competitive-intelligence)\n\nDocumentation\n\n[Getting started](https://docs.firecrawl.dev/introduction) [API Reference](https://docs.firecrawl.dev/api-reference/introduction) [Integrations](https://www.firecrawl.dev/app) [Examples](https://docs.firecrawl.dev/use-cases/overview) [SDKs](https://docs.firecrawl.dev/sdks/overview)\n\nCompany\n\n[Blog](https://www.firecrawl.dev/blog) [Careers](https://www.firecrawl.dev/careers) [Creator & OSS program](https://www.firecrawl.dev/creator-oss-program) [Student program](https://www.firecrawl.dev/student-program)\n\n© 2025 Firecrawl\n\n[Terms of Service](https://www.firecrawl.dev/terms-of-service) [Privacy Policy](https://www.firecrawl.dev/privacy-policy) [Report Abuse](mailto:help@firecrawl.com?subject=Issue:)\n\n[All systems normal](https://status.firecrawl.dev/)\n\nStripeM-Inner",
    "metadata": {
      "baggage": "sentry-environment=vercel-production,sentry-release=f4ec797d296c92306761355be5e9f0972325b389,sentry-public_key=1d3122a166ee4102e2fa0b2f1f49b6af,sentry-trace_id=72cbab0df11821a7ac852e5e20daaefa,sentry-org_id=4510354045468672,sentry-sampled=false,sentry-sample_rand=0.24641951326816436,sentry-sample_rate=0",
      "language": "en",
      "og:url": "https://www.firecrawl.dev",
      "twitter:creator": "@Vercel",
      "ogUrl": "https://www.firecrawl.dev",
      "description": "The web crawling, scraping, and search API for AI. Built for scale. Firecrawl delivers the entire internet to AI agents and builders. Clean, structured, and ready to reason with.",
      "og:description": "The web crawling, scraping, and search API for AI. Built for scale. Firecrawl delivers the entire internet to AI agents and builders. Clean, structured, and ready to reason with.",
      "og:image": "https://www.firecrawl.dev/og.png",
      "og:type": "website",
      "ogImage": "https://www.firecrawl.dev/og.png",
      "creator": "Firecrawl",
      "title": "Firecrawl - The Web Data API for AI",
      "keywords": "Firecrawl,Markdown,Data,Mendable,Langchain",
      "referrer": "origin-when-cross-origin",
      "sentry-trace": "72cbab0df11821a7ac852e5e20daaefa-d4624b4adb4436cb-0",
      "twitter:title": "Firecrawl - The Web Data API for AI",
      "twitter:card": "summary_large_image",
      "ogTitle": "Firecrawl - The Web Data API for AI",
      "viewport": "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no",
      "ogDescription": "The web crawling, scraping, and search API for AI. Built for scale. Firecrawl delivers the entire internet to AI agents and builders. Clean, structured, and ready to reason with.",
      "publisher": "Firecrawl",
      "og:site_name": "Firecrawl - The Web Data API for AI",
      "twitter:image": "https://www.firecrawl.dev/og.png",
      "ogSiteName": "Firecrawl - The Web Data API for AI",
      "og:title": "Firecrawl - The Web Data API for AI",
      "twitter:description": "The web crawling, scraping, and search API for AI. Built for scale. Firecrawl delivers the entire internet to AI agents and builders. Clean, structured, and ready to reason with.",
      "robots": "follow, index",
      "twitter:site": "@Vercel",
      "author": "Firecrawl",
      "favicon": "https://www.firecrawl.dev/favicon.png",
      "scrapeId": "019bccff-7e42-7698-b6ca-9a8040770600",
      "sourceURL": "firecrawl.dev",
      "url": "https://www.firecrawl.dev/",
      "statusCode": 200,
      "contentType": "text/html; charset=utf-8",
      "proxyUsed": "basic",
      "cacheState": "hit",
      "cachedAt": "2026-01-17T17:24:55.653Z",
      "creditsUsed": 1,
      "concurrencyLimited": false
    }
  }
}

jsonの構造

  • markdown
    • ページのbodyがmarkdownで取得できる
  • metadata
    • header dataが取得できる

クラウド版のプラン

プラン月額料金取得可能ページ数 (クレジット)特徴こんな人向け
Free¥0500 /月同時実行数などは制限ありまずは試してみたい方
Hobby¥2,5003,000 /月同時実行数: 5追加: $9/1000credits個人開発、小規模な検証
Standard¥13,100100,000 /月同時実行数: 50単価が非常に安い本格的な開発・運用
Growth¥52,6000500,000 /月同時実行数: 100優先サポート大規模なデータ収集

競合との比較

LLM特化型

サービス名特徴Firecrawlとの違い
Jina Reader (Jina AI)検索特化のAI企業が提供。URLの前に r.jina.ai/ を付けるだけでMarkdownが取れる手軽さがウケている。Scrape(単一ページ)に非常に強いが、サイト全体を巡回する「Crawl」機能はFirecrawlの方が直感的で強力な場合が多い。
Spider (spider.cloud)「最速」を謳うスクレイパー。Firecrawlとほぼ同じ機能セット(Scrape, Crawl)を持ち、コストパフォーマンスと速度で勝負している。機能はほぼ互角。Firecrawlの方がLangChain/LangFlowコミュニティでの採用率が高く、ドキュメントが親切な印象。
Tavily検索(Search)+ 抽出。「サイト内をくまなく探す」のではなく、「ネット全体から答えを探す」時に使う。目的が違う。Tavilyは「検索エンジン」に近い。特定のドメインを深掘りするならFirecrawl。

ローカル実行型

サービス名特徴Firecrawlとの違い
Crawl4AI今、GitHubで大人気。Pythonで動くOSSのクローラー。ローカルのPCやサーバーでFirecrawlのようなことができる。無料(サーバー代のみ)。ただし、IPブロック対策やインフラ管理を自分でやる必要がある。

なぜFirecrawlがなぜ選ばれているのか

FirecrawlがAI開発者や企業に選ばれている理由は、単なるスクレイピングツールではなく、**「LLM(大規模言語モデル)のために設計されたデータ取得インフラ」**として、開発者が抱える「3つの大きな苦痛」を解消している点にあります。

具体的に、以下の理由で選ばれています。

「LLMがそのまま読める」クリーンなデータ生成

従来のスクレイピングツールはHTMLをそのまま取得するため、広告、メニューバー、スクリプトなどのノイズが大量に含まれていました。Firecrawlはこれらを自動的に除去し、LLMが最も理解しやすいMarkdown形式に整形して返します。

  • なぜ選ばれるか: RAG(検索拡張生成)などのAIシステムにおいて、データの質は回答の精度に直結します。Firecrawlを通すだけで「AIに学習させやすいデータ」が手に入るため、前処理の手間が激減します。

「見えない壁」を自動で突破する技術力

現代のウェブサイトは、JavaScriptによる動的表示(SPA)や、強力なBot対策(Cloudflareなど)で守られています。これを自前で突破しようとすると、ヘッドレスブラウザの管理やプロキシの回転など、膨大なエンジニアリングコストがかかります。

  • なぜ選ばれるか: Firecrawlはこれらの複雑な処理(JSレンダリング、CAPTCHA回避、IPローテーション)をAPIの裏側で全自動で行います。開発者は「データを取る」ことだけに集中できます。

AIエコシステムとの強力な統合

LangChain、LlamaIndex、CrewAIといった主要なAI開発フレームワークに標準で統合されています。

  • なぜ選ばれるか: わずか数行のコードで「ウェブ検索 → データ取得 → ベクトル化」というパイプラインを構築できるため、AIエージェントやチャットボットの開発スピードが圧倒的に速くなります。

競合との違い(選定の決め手)

  • vs Google検索: Googleは「検索結果の抜粋」しか返しませんが、Firecrawlは「ページの中身全部」を構造化して返します。自社データの学習にはFirecrawlが必須です。
  • vs 従来のスクレイパー(BeautifulSoupなど): 自前でメンテナンスし続けるコスト(サイト構造の変化への対応など)を考えると、Firecrawlのようなマネージドサービスの方が長期的には安上がりで安定します。

一言で言えば、「AIエンジニアが一番やりたくない『泥臭いデータ収集作業』を、高品質かつ全自動で代行してくれるから」選ばれています。

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