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Tools⚙️ Developer InfrastructureCrw
Crw

Crw

Freemium

Open-source web data API for AI agents — drop-in Firecrawl/Tavily replacement.

By Tanmay Verma, Founder · Last verified 03 Jul 2026

0 views
Added 6d ago
77/100Safe Bet
Visit Website

In short

Crw — Open-source web data API for AI agents — drop-in Firecrawl/Tavily replacement. Best for AI agent developers needing low-latency web data extraction, Teams migrating from Firecrawl or Tavily to an open-source alternative, RAG pipeline builders seeking reliable, fresh web content. Free to start; paid plans from $11132/mo.

Compared withvs Presto Voicevs Spider Cloudvs Temporal Ai

Is Crw actually worth it?

Live

See what real users actually say. We scan live discussions, reviews and complaints across the web and hand you an honest verdict — in under a minute.

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Editorial Verdict

Best for
AI agent developers needing low-latency web data extractionTeams migrating from Firecrawl or Tavily to an open-source alternativeRAG pipeline builders seeking reliable, fresh web contentDevelopers who want to self-host a scraping API without switching costsAutomation engineers using n8n, MCP, or agent frameworks
Not ideal for
Users who need a visual, no-code scraper with point-and-click interfaceNon-technical teams without API or CLI comfortEnterprise requiring out-of-the-box SOC 2 or HIPAA complianceProjects that need massive cloud scale without self-hosting infrastructureLight users expecting monthly free credits (only one-time 500 credits)

fastCRW delivers on its promise as a faster, cheaper, open-source Firecrawl alternative. The public benchmarks, AGPL licensing, and zero exit cost make it a trustworthy pick for AI developers. Self-hosting is genuinely free, but the free cloud tier is a one-time 500 credits — not monthly — so plan accordingly.

Last verified: July 2026

What's new in Crw

Checked 4 days ago

Across the latest 4 updates: 1 feature update, 1 changelog entry and 2 news mentions.

NewsBlog·5 days agoNewest

Best Deep Research APIs for Agentic Workflows in 2026

Compares deep research APIs for AI agents: multi-step research, citations, structured output.

FeatureBlog·6 days ago

How to Migrate from Firecrawl Without Rewriting Your Code (2026)

Guide for swapping Firecrawl with fastCRW by changing one api_url line; validates SDK compatibility.

NewsBlog·6 days ago

AGPL-3.0 for SaaS, Explained: What It Actually Obligates (2026)

Non-lawyer guide to AGPL-3.0's network clause and when commercial license is needed for SaaS.

ChangelogChangelog·18 days ago

fastCRW changelog: release-please maintained, CRW open-source scraper & crawler

Changelog page auto-generated from CHANGELOG.md by release-please; documents hosted and self-hosted API endpoints.

What independent users actually report about Crw

We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.

35 mentions across 5 sources (Hacker News, Product Hunt, App Store, Stack Overflow, Lemmy).

4% positive96% critical
Recurring strengths
  • +Drop-in replacement for Firecrawl - just change base URL.
  • +Extremely lightweight: ~8MB binary, ~6MB RAM.
  • +Open source with self-host option free forever.
  • +Public benchmark shows higher truth-recall than Firecrawl.
  • +Rust-based for low latency and high performance.
Recurring frustrations
  • −No real user reviews or community testimonials exist.
  • −Name confusion with multiple unrelated CRW products.
  • −AGPL license may restrict commercial usage.
  • −Managed cloud pricing details are not transparent.
  • −No independent verification of benchmark claims.
Patterns worth knowing
Complete absence of relevant community discussion for the web scraping API.
Seen on Hacker News, Product Hunt, App Store, Stack Overflow, Lemmy
Name collision with dating app and other products causes confusion.
Seen on Product Hunt, App Store
Technical specs are promising on paper but lack real-world validation.
Seen on Tool Info
Learning curve
intermediateProductive in ~A few hours
Hidden costs people mention
  • • Commercial license required for AGPL compliance in proprietary products
  • • Cloud overage costs not transparently disclosed

Viability Score

77/100
Safe Bet

How likely is Crw to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.

momentum
55
funding runway
80
website health
90
wrapper dependency
100

Last calculated: July 2026

How we score →

Key Features

  • Firecrawl-compatible /v1 endpoints: scrape, crawl, search, map
  • Multi-format output: Markdown, JSON, raw or cleaned HTML
  • Interactive browse via CDP (MCP server)
  • Search with multi-engine aggregation and full page content
  • Crawl entire sites with robots.txt respect
  • Map domain URLs for fast sitemap generation
  • Parse PDFs to clean Markdown (CPU-only, no LLM)
  • Extract structured JSON from pages via schema or prompt
  • Monitor page changes with AI verdict
  • Public benchmark 63.74% truth-recall (vs Firecrawl 56.04%)
  • MCP server for AI agent integration
  • Self-host single ~8MB binary, ~6MB RAM
  • Rate limiting with Retry-After headers
  • Top-up credits available on paid plans
  • Firecrawl v2 compatibility surface (parse, research)

About Crw

FreemiumIntermediateAPI availableAPI · CLI

fastCRW is an open-source, AGPL-3.0-licensed web data API written in Rust, designed as a direct drop-in replacement for Firecrawl and Tavily. It provides a unified REST API for scrape, crawl, search, map, parse, and extract endpoints, all accessible via a single base URL that works identically whether self-hosted or in the managed cloud. The engine is optimized for AI agent workloads: low latency, a tiny ~8 MB binary, and a RAM footprint of ~6 MB. Developers building RAG pipelines, autonomous agents, or scraping workflows can migrate from Firecrawl in minutes by simply changing the base URL. fastCRW ships official SDKs for Python, Node.js, Go, and Rust, plus first-party integrations with LangChain, CrewAI, n8n, MCP, Cursor, Vercel, Dify, Botpress, OpenAI Agents SDK, and Google ADK. The API also includes an MCP server for direct use by MCP-compatible clients. What sets fastCRW apart is its commitment to transparency and cost control: the benchmark methodology and results are public (63.74% truth-recall on Firecrawl's own 1,000-URL dataset, vs Firecrawl's 56.04%), the engine is AGPL-3.0 (with commercial licenses available), and there are no hidden exit costs. Self-hosting is free forever, and managed plans start with 500 one-time free credits. Unlike closed alternatives, fastCRW offers a self-hostable engine with identical API behavior, no vendor lock-in, and public benchmarks you can reproduce yourself. It excels for AI agent developers who need predictable pricing, auditability, and low overhead, while being less suited for non-technical users who prefer no-code visual scrapers.

Behind the Verdict

fastCRW is the rare open-source project that actually out-benchmarks the proprietary tool it replaces. With a 63.74% truth-recall against Firecrawl's 56.04% on the same dataset, and a median scrape latency that's often lower, it's not just a clone — it's an improvement. The Rust engine means you can self-host it on a Raspberry Pi (6 MB RAM, 8 MB binary) and still handle production workloads. Pick fastCRW when you need to embed web scraping directly into an AI agent pipeline, especially if you're already using LangChain, CrewAI, or MCP. The MCP server is a standout: one line to install, and your agent can browse interactive pages, click buttons, and fill forms via CDP. That's a capability Firecrawl charges extra for. Pass on fastCRW if your team relies on a no-code visual scraper — there's no point-and-click interface here. Also avoid if you need out-of-the-box SOC 2 or HIPAA compliance; the cloud is not audited for those standards. The free tier (500 one-time credits) is much stingier than Firecrawl's 500 monthly credits, so heavy testers should budget for a paid plan. Compared to Crawl4AI, fastCRW offers managed cloud options and official SDKs for multiple languages, while Crawl4AI is purely self-hosted. vs Exa, fastCRW focuses on full-page scrape/crawl rather than neural search indexes. It's a better fit when you want complete control over data extraction, not just search. In practice, the top-up system ($9/1k credits) is fair, and the Retry-After headers when over concurrency limits are a nice touch for production reliability. The community roadmap is public, and features like Monitor (AI-driven change detection) are rolling out. If you value transparency and low exit cost, fastCRW is a solid bet for 2026.

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Use Cases

  • Scrape any URL into clean markdown for LLM ingestion or RAG pipelines.
  • Search the web and retrieve full page content for agent tool calls.
  • Crawl entire websites to build structured datasets for AI training.
  • Map domain endpoints to discover all pages for migration or testing.
  • Extract structured JSON from e-commerce or review pages using schema prompts.
  • Monitor pages for meaningful changes and receive AI-generated verdicts.

Limitations

  • Concurrent request limits apply on managed plans (e.g., 50 on Standard, 150 on Scale), and sustained throughput may be lower than provisioned during infrastructure scaling (as of 2026-05-17).
  • Self-hosting requires managing your own infrastructure.
  • Extraction and search features rely on managed LLM on paid plans; free tiers credit costs apply per endpoint call.

12-month cost

Project the real annual outlay, including the implied monthly cost when only an annual tier is published.

Annual total
Free
Over 12 months
Effective monthly
—
—

Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.

Integrations

Python SDKNode.js SDKGo SDKRust SDKcURLLangChainCrewAIn8nMCPCursorVercelDifyBotpressOpenAI Agents SDKGoogle ADK

Resources & Guides

  • Documentationfastcrw.com

    Changelog · Crw

    Full product docs from fastcrw.com

  • Resourcefastcrw.com

    Home · Crw

    Helpful link from fastcrw.com

Frequently Asked Questions

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Details

Pricing
Freemium
Skill Level
Intermediate
Platforms
API, CLI
API Available
Yes
Pricing & overview verified
6d ago

Categories

⚙️ Developer Infrastructure🤖 Automation & Agents

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Topics

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Resources

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