Software Alternatives, Accelerators & Startups

KlearStack VS HasData

Compare KlearStack VS HasData and see what are their differences

KlearStack logo KlearStack

Say NO to Templates

HasData logo HasData

HasData is a top web scraping platform for developers and enterprises. It delivers structured, real-time data from the web using scalable APIs and no-code tools, removing the need to manage proxies, browsers, or anti-bot systems.
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  • KlearStack Landing page
    Landing page //
    2023-04-23

When we say NO TEMPLATES, we mean it! WE believe in freeing teams from manual drudgery for higher value tasks. KlearStack AI deploys adaptive deep learning models, that are highly intelligent and donโ€™t require any template co-ordinates upfront.

  • HasData Landing page
    Landing page //
    2025-10-09
  • HasData HasData API's Playground
    HasData API's Playground //
    2025-10-09
  • HasData HasData No-Code Scrapers
    HasData No-Code Scrapers //
    2025-10-09

HasData is one of the best web scraping API platforms built for performance, stability, and scale. It delivers enterprise-grade APIs built for speed, reliability, and accuracy. Businesses that depend on live search data, competitive intelligence, and public web data trust HasData for its consistent performance and transparent infrastructure.

The HasData SERP API is one of the fastest and most reliable on the market. It processes millions of requests per hour with a median latency around 1.75 seconds, providing clean and complete Google Search results without dealing with captchas, proxy management, or rotating browser setups. HasDataโ€™s infrastructure scales horizontally across self-managed Kubernetes clusters to ensure zero downtime during heavy traffic bursts or sustained data-collection workloads.

The HasData Web Scraping API goes beyond search. It provides a unified, resilient system that handles complex scraping tasks automatically โ€” covering dynamic pages, anti-bot protection, and JavaScript rendering. Developers get structured JSON results instantly, with no need to handle HTML parsing, headless browsers, or maintenance overhead.

HasData offers a broad range of specialized APIs, covering key platforms including Google Maps, Zillow, Amazon, Indeed, and many more. Each API is designed for production-level use cases where uptime, precision, and response speed matter more than anything else. Whether for SEO monitoring, price intelligence, lead generation, or market analytics, HasData removes the technical pain points so teams can focus on data, not scraping infrastructure.

For companies that require the best scraping performance without operational risk, HasData is a proven choice. It combines real-time data extraction power, consistent reliability, and developer-friendly APIs to support everything from startups to large enterprises running millions of daily requests.

KlearStack

$ Details
freemium $40.0 / Usage
Platforms
Web REST API Cross Platform Browser
Release Date
2018 March
Startup details
Country
India
State
Maharashtra
Founder(s)
Ashutosh Saitwal
Employees
50 - 99

HasData

$ Details
Free Trial $49.0 / Monthly (Up to 200,000 Requests | 15 concurrent requests)
Platforms
Cloud Web Python Node JS PHP Go Zapier Browser
Release Date
-
Startup details
Country
United States
State
TX
City
HOUSTON
Founder(s)
Roman Miliushkevich, Sergey Ermakovich
Employees
10 - 19

KlearStack features and specs

  • Invoice Automation
  • Purchase Order Automatrion
  • Receipt Capture
  • Consumer Durable Loans
  • Multi-vendor
  • Trade Finance Process Automation
  • Two Wheeler Loan Automation
  • Used Cars Loan Process Automation

HasData features and specs

  • Sub-2s Median Latency
    Every API request completes in about 2.1 seconds on average, even under high load.
  • 99.9% uptime SLA
    Stay online with highly reliable servers, automated failover, and 24/7 infrastructure monitoring.
  • Up to 10M Requests/Hour
    Handle massive scraping operations with infrastructure built to support 10 million hourly API calls.
  • 100M+ Proxies
    Access hundreds of millions rotating IPs for global coverage and unblockable data collection.
  • JavaScript Rendering
    Extract content from dynamic, JavaScript-heavy websites without manual browser emulation.
  • Auto-Retry & Failover
    Built-in error handling and retries ensure high success rates even under volatile network conditions.
  • Clean Structured Output
    Deliver consistent, parsed JSON with metadata, images, text, listings, and links.
  • Full Anti-Bot Protection
    Bypasses Cloudflare, Datadome, and Akamai automatically โ€” no proxy rotation or browser setup required.
  • Easy Integration
    Connect in minutes using clear API documentation, SDKs, and straightforward REST architecture.

Analysis of KlearStack

Overall verdict

  • KlearStack is a solid AI-powered intelligent document processing (IDP) platform that automates data extraction from invoices, receipts, purchase orders, and other unstructured documents, making it a strong choice for businesses looking to reduce manual data entry.

Why this product is good

  • Uses AI and machine learning for template-free document processing, meaning it can handle varied document formats without predefined templates
  • Automates extraction of data from invoices, receipts, purchase orders, and other business documents to reduce manual effort
  • Offers high accuracy rates and continuous learning that improves performance over time
  • Helps reduce processing costs and turnaround times for accounts payable and finance teams
  • Integrates with existing ERP and accounting systems to streamline workflows
  • Provides straight-through processing to minimize human intervention

Recommended for

  • Finance and accounts payable teams handling high volumes of invoices
  • Enterprises seeking to automate document-heavy workflows
  • Businesses wanting template-free document processing across varied formats
  • Organizations looking to reduce manual data entry costs and errors
  • Companies needing integration with existing ERP and accounting systems

Analysis of HasData

Overall verdict

  • HasData is a solid web scraping and data extraction platform that offers reliable APIs and tools for collecting structured data from websites, making it a good choice for businesses and developers needing scalable data solutions.

Why this product is good

  • Provides ready-to-use scraping APIs that handle proxies, CAPTCHAs, and JavaScript rendering automatically
  • Offers scalable infrastructure suitable for both small projects and large-scale data extraction needs
  • Supports structured data output formats like JSON and HTML for easy integration
  • Includes documentation and developer-friendly tools to speed up implementation
  • Handles anti-bot measures so users can focus on data rather than infrastructure

Recommended for

  • Developers building applications that require automated web data collection
  • Businesses conducting market research and competitor price monitoring
  • E-commerce companies tracking product data and reviews
  • Data analysts and researchers gathering large datasets from the web
  • SEO professionals monitoring search engine results and rankings

KlearStack videos

Automated Invoice Processing | KlearStack

More videos:

  • Review - Cognitive Invoice Processing KlearStack

HasData videos

No HasData videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to KlearStack and HasData)
Finance
100 100%
0% 0
Data Extraction
33 33%
67% 67
Invoice Management
100 100%
0% 0
Web Scraping
0 0%
100% 100

Questions & Answers

As answered by people managing KlearStack and HasData.

What makes your product unique?

HasData's answer:

HasData combines high-speed infrastructure with intelligent web data extraction. Its APIs handle JavaScript rendering, IP rotation, and anti-bot bypassing at scaleโ€”without requiring additional tooling. Developers can integrate once and retrieve clean, reliable data instantly.

Why should a person choose your product over its competitors?

HasData's answer:

Choose HasData for performance, reliability, and simplicity. Its APIs deliver fast response times, high accuracy, and zero hidden limits. The platform is built for real-world scrapingโ€”resilient under load, stable in production, and trusted by high-volume users.

How would you describe the primary audience of your product?

HasData's answer:

HasData serves developers, data engineers, and businesses that need scalable, automated access to public web data. These users build tools, analytics platforms, and competitive intelligence systems powered by structured, real-time information.

What's the story behind your product?

HasData's answer:

HasData was created to eliminate the complexity of large-scale web scraping. Frustrated by fragile scripts, unreliable proxies, and blocked requests, the founders built a unified platform that turns scraping into a dependable API service.

Which are the primary technologies used for building your product?

HasData's answer:

HasData runs on a distributed infrastructure using Golang, Python, and Node.js. It leverages headless Chromium for rendering, Kubernetes for scaling, and global IP rotation systems for reliable data extraction across regions.

Who are some of the biggest customers of your product?

HasData's answer:

HasData serves leading companies in SEO, digital marketing, cybersecurity, and content intelligence. These clients rely on HasData to power large-scale data collection, competitive analysis, plagiarism detection, and local search insightsโ€”handling millions of requests per day without service disruption.

User comments

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Social recommendations and mentions

Based on our record, KlearStack seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

KlearStack mentions (1)

  • Enhancing Invoice Data Extraction with OCR and Large Language Models
    By choosing KlearStack, businesses can automate invoice processing, reduce manual errors, and achieve significant cost savings.โ€‹. - Source: dev.to / about 1 year ago

HasData mentions (0)

We have not tracked any mentions of HasData yet. Tracking of HasData recommendations started around Oct 2025.

What are some alternatives?

When comparing KlearStack and HasData, you can also consider the following products

Invoice Data Extraction - AI Invoice Data Extraction to Excel - 50 Free Pages/Mo

Apify - Apify is a web scraping and automation platform that can turn any website into an API.

Nanonets - Worlds best image recognition, object detection and OCR APIs. NanoNetsโ€™ platform makes it straightforward and fast to create highly accurate Deep Learning models.

ScrapingBee - ScrapingBee is a Web Scraping API that handles proxies and Headless browser for you, so you can focus on extracting the data you want, and nothing else.

SelectsysTech - Transforming insurance workflows with RQB's comprehensive digital suite, AI OCR Bridge, and Selectsys Max insurance management, all powered by cutting-edge Digital First Technology.

Zyte - We're Zyte (formerly Scrapinghub), the central point of entry for all your web data needs.