WeTransform vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-22
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At a glance

DimensionWeTransformSpider Cloud
Primary Use CaseEmbedded AI data importer for B2B SaaSWeb crawling/scraping API for AI agents
Core TechnologyAI column/value mapping, white-label widgetRust engine, AI Studio, Browser AI WebSocket commands
Target UserB2B SaaS product teamsDevs building AI agents/RAG pipelines
DeploymentCloud, Enterprise on-prem availableCloud API, open-source self-host option
Data SourcesCSV, Excel, JSON, TXT, PDF, unstructured files (upload/URL/SFTP/email/API)Web pages via crawling, search queries, APIs
Try WeTransformTry Spider Cloud
WeTransform
WeTransform

Embeddable AI data importer that cleans messy customer files and maps them into your B2B SaaS schema under your own brand.

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Spider Cloud
Spider Cloud

Spider Cloud is a web scraping and crawling API that returns live pages as clean markdown or JSON for AI agents and RAG pipelines.

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Pricing
Paid
Freemium
Plans
€459/month
€790/month
Custom
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
5 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
WebAPI
WebAPIPlugin
Categories
📑 Document AI & Data Extraction📊 Data & Analytics
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Embedded white-label data importer with no WeTransform branding in your product
@wetransform/core SDK for React, Vue, vanilla JS and TypeScript
Event-based SDK callbacks including successSubmit
Modal or inline display modes for the embedded importer
i18n-ready SDK with English and French locales, switchable via setLocale without remounting
AI column mapping and value mapping for incoming files
Autoclean normalizes messy files before import
Fill the Gaps completes missing values from context
Power Functions run your own custom logic during import
Walter AI agent configures formats, transformations and rules in plain English
Ingest data via file upload, API, URL, FTP, SFTP or email
Workflows and scheduled transformations for recurring automated imports
API in, API out with REST API and webhooks
Reusable mapping templates that adapt to new client formats
Client portal for customer-facing import workflows
Scrape a page into markdown, JSON, HTML, raw, or plain text
Crawl whole sites with each page streamed as one JSONL line in order
Web search endpoint returns SERP results plus the scraped pages behind them
Browser rendering runs scripts, loads lazy images, and reaches infinite-scroll bottoms
Load protected pages through Spider's own browser engine with geo checks, returning a 200
Full browser sessions over WebSocket with rotating residential exits
AI commands (Act, Extract, Observe) over the Browser API WebSocket
Prompt-based extraction returns named fields as JSON on scrape or crawl requests
Two-phase AI extraction: fast model for most pages, stronger model for complex layouts
Provider router runs scrape and crawl requests on outside providers with your own keys
Data connectors stream crawl output to S3, GCS, Google Sheets, Azure Blob, or Supabase
Residential and ISP proxy pool with 215M+ exits across 199 countries
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
1,000+ scraper examples across 32 categories with working code
API responses in JSON, JSONL, CSV, and XML; up to 10,000 core requests per minute by default
Integrations
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Claude Code
Codex
Cursor
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

Who should pick which

  • B2B SaaS product manager building an embedded import wizard
    Pick: WeTransform

    WeTransform is purpose-built for this: white-label widget, AI mapping, event callbacks, and GDPR compliance for onboarding customer data.

  • AI agent developer needing real-time web data for RAG
    Pick: Spider Cloud

    Spider Cloud's Rust engine, AI extraction, and Browser AI commands are designed for AI agent data ingestion, with LangChain/LlamaIndex integration.

  • Marketplace onboarding sellers with product catalogs
    Pick: WeTransform

    WeTransform's template reuse, AI column mapping, and high-volume file processing (proven with 36M products) fit perfectly.

  • Data engineer building a scraping pipeline
    Pick: Spider Cloud

    Spider Cloud's API with structured output, data connectors (S3, GCS, Supabase), and pay-as-you-go pricing suit pipeline integration.

  • Enterprise requiring on-premise deployment
    Pick: WeTransform

    WeTransform offers on-premise deployment via Enterprise plan; Spider Cloud is cloud-only (though open-source core can be self-hosted).

Frequently Asked Questions

Are WeTransform and Spider Cloud competitors?

No. WeTransform is an embedded AI data importer for B2B SaaS customer file uploads. Spider Cloud is a web crawling/scraping API for AI agents. They solve different problems.

Can Spider Cloud be used for file import like WeTransform?

Not really. Spider Cloud fetches web pages; it doesn't handle user-uploaded files (CSV, Excel) from a web application with schema mapping.

Can WeTransform scrape websites?

No. WeTransform expects files to be uploaded, not crawled. It is not a web scraper.

What file types does WeTransform support?

CSV, Excel, JSON, TXT, PDF, and unstructured files. Upload via API, URL, SFTP, FTP, Email.

What output formats does Spider Cloud support?

Markdown, HTML, JSON, CSV, XML, plain text, and screenshots.

Does Spider Cloud have a free tier?

Yes, with limited usage. Pricing is pay-as-you-go at $0.003 per page on average. AI Studio add-on is $6/mo.

Does WeTransform have a free tier?

No. Pricing starts at €459/month for the Starter tier. Enterprise plans have custom pricing.

Can I self-host Spider Cloud?

Yes, the open-source core is available on GitHub for self-hosting.

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Explore each tool further

WeTransform
View WeTransform reviewWeTransform alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI Document AI & Data Extraction toolsBest AI Web Scraping & Search APIs toolsBest AI Data & Analytics toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 2, 2026