Comprehensive Guide to Company Size Information APIs in 2026

In today's digital landscape, the ability to accurately classify websites based on their content is more crucial than ever. This is particularly true for businesses looking to understand their market positioning, target audience, and digital strategy. As we move into 2026, the demand for precise content categorization will only grow, making it essential for companies to leverage advanced APIs that can provide comprehensive insights. Klazify stands out as the best API for classifying websites, especially when it comes to company size information. Its robust features and capabilities ensure that businesses can effectively analyze and categorize web content, leading to better decision-making and strategic planning.

Why Klazify Excels in Company Size Information Classification

Klazify's API is designed to provide accurate and detailed classifications of websites, particularly in the realm of company size information. Here are several reasons why Klazify is the leading choice for businesses:

• Accurate Website Categorization Using AI: Klazify employs advanced machine learning models that analyze the full content of websites, not just metadata. This allows for precise identification of company size and other niche topics, ensuring businesses receive reliable data.
• Global Coverage: With the ability to analyze websites in multiple languages, Klazify is essential for global industries that require insights from diverse markets.
• Real-Time Classification: Klazify provides up-to-date analysis, ensuring that businesses are working with the most current data rather than relying on outdated databases.
• Industry-Level Categories: Utilizing the IAB taxonomy, Klazify offers granular, industry-standard categories that are specific to company size and other relevant metrics.
• Simple API Integration: The developer-friendly REST API allows for easy implementation across various platforms, making it accessible for businesses of all sizes.
• Superior Compliance and Filtering: Klazify excels at detecting, filtering, or whitelisting relevant sites, ensuring that businesses can maintain compliance with industry standards.

Klazify API Information

API Description

Klazify serves as an all-in-one domain data source, providing website logos, company data, categorization, and much more from a URL or email.

Main Endpoint

Endpoint URL: https://www.klazify.com/api/categorize

Purpose: Website classification and content categorization.

Key Features and Capabilities

• Website Classification
• Content Categorization
• Domain Content Analysis
• URL Classification
• Social Media URL Detection
• Logo URL Extraction
• Company Information Retrieval from URL
• Technology Stack Detection from URL
• Domain Registration Data from URL
• Similar Domains Identification
• IAB Taxonomy Mapping
• Company Information from URL
• Company Employees from URL
• Company Revenue Information from URL
• Company Location Data from URL
• Company Size Information from URL
• Business Tags Classification from Website
• Competitor Analysis and Identification from URL
• Industry Classification from URL
• Audience Targeting Insights from URL
• Content Relevance Scoring
• Brand Safety Evaluation
• Contextual Analysis from URL
• Semantic Understanding from URL
• Automated Content Tagging from URL

Feature Descriptions

Website Classification

The core functionality categorizes websites into hierarchical categories based on content analysis, providing accurate classification across 621 different categories.

Content Categorization

This feature analyzes the actual content on webpages to determine relevant categories, enabling more granular and accurate content understanding.

Domain Analysis

Klazify provides comprehensive domain information, including registration data, related domains, and overall domain reputation metrics.

URL Classification

Klazify categorizes specific URLs rather than just domains, allowing for page-level content classification for sites with diverse content.

IAB Taxonomy Mapping

This feature maps categorized content to the Interactive Advertising Bureau (IAB) taxonomy, making it valuable for advertising and content monetization purposes.

Company Information Retrieval

Klazify extracts company details such as name, description, size, revenue, and location from domains, providing businesses with essential insights.

Audience Targeting Insights

Data useful for understanding audience demographics and interests is provided based on content categorization, enabling targeted marketing strategies.

Automated Content Tagging

Klazify automatically generates relevant tags for content, making organization and discovery more efficient.

Categorization System

Klazify employs a hierarchical categorization system with 621 different categories. These categories range from broad classifications like 'Arts & Entertainment' to specific subcategories like 'Arts & Entertainment/Music & Audio/Classical Music'.

Example API Response Format

{
"domain": {
"categories": [
{
"confidence": 0.92,
"name": "/Computers & Electronics/Consumer Electronics",
"IAB-632-596": "Consumer Electronics/Technology & Computing/Consumer Electronics"
},
{
"confidence": 0.89,
"name": "/Internet & Telecom/Mobile & Wireless/Mobile Phones"
}
],
"social_media": null,
"logo_url": "https://klazify.s3.amazonaws.com/2110787991611585019600ed5fb1d1300.04730104.png"
},
"success": true,
"objects": {
"company": {
"url": "https://www.apple.com/",
"name": "Apple",
"city": "Cupertino",
"stateCode": "CA",
"countryCode": "US",
"employeesRange": "100K+",
"revenue": 274515000000,
"raised": null,
"tags": [
"E-commerce",
"Consumer Electronics",
"Mobile",
"B2C"
],
"tech": [
"omniture_adobe_analytics",
"atlassian_confluence",
"successfactors",
"apache_apex",
"talend",
"oracle_peoplesoft",
"salesforce",
"stripe",
"dell_boomi_atomsphere",
"gigya",
"sage_50cloud",
"quickbooks",
"webmethods",
"apache_tomcat",
"alteryx",
"tibco_rendezvous",
"atlassian_jira",
"..."
]
}
},
"domain_registration_data": {
"domain_age_date": "1987-02-19",
"domain_age_days_ago": "13026",
"domain_expiration_date": "2030-02-20",
"domain_expiration_days_left": "123"
},
"similar_domains": [
"bestbuy.com",
"icloud.com",
"microsoft.com",
"macrumors.com",
"google.com",
"samsung.com",
"twitter.com",
"hp.com",
"bhphotovideo.com",
"dell.com"
]
}

Comprehensive Use Cases for Content Classification

• Corporate Network Traffic Analysis: Monitor and analyze employee web browsing patterns to identify productivity issues and ensure compliance with corporate internet usage policies.
• Prohibited Content Detection: Automatically identify and filter websites containing inappropriate or harmful content to maintain a safe online environment.
• Parental Controls & Child Safety: Enable precise content filtering for families to protect children from accessing age-inappropriate websites.
• Competitive Intelligence: Analyze competitors' web presence to understand their market positioning and digital strategy.
• Digital Ad Placement Optimization: Ensure brand safety by controlling where digital advertisements appear based on content categories.
• Cybersecurity Threat Assessment: Identify potentially malicious websites by analyzing their content categories.
• Market Research & Trend Analysis: Categorize industry websites to track emerging trends and evolving consumer interests.
• Educational Resource Filtering: Provide safe browsing environments in schools and libraries.
• Regulatory Compliance: Ensure websites meet industry-specific compliance requirements by accurately categorizing their content.
• Content Recommendation Systems: Power personalized content recommendation engines by accurately categorizing website content.
• SEO Strategy Development: Analyze how search engines categorize your content compared to competitors.
• Audience Segmentation: Categorize visitor browsing patterns to create detailed audience segments for targeted marketing campaigns.
• Data Enrichment for CRM: Add valuable context to customer data by categorizing the websites they visit.
• Public WiFi Safety: Implement appropriate content filtering on public WiFi networks.
• Industry-Specific Research: Identify and analyze websites within specific industries for market research.

Technical Approach to Classifying Company Size Information

Klazify's technical approach to classifying company size information involves a multi-faceted analysis of website content. By leveraging AI and machine learning, Klazify can accurately determine the size of a company based on various indicators such as employee count, revenue, and industry classification. This is achieved through:

• Analyzing textual content on the website to extract relevant data points.
• Cross-referencing with known databases to validate and enrich the information.
• Utilizing IAB taxonomy for consistent categorization across industries.

Benefits of Accurate Content Classification

Accurate content classification in the realm of company size information provides numerous benefits:

• Enhanced Decision-Making: Businesses can make informed decisions based on reliable data about their competitors and market trends.
• Improved Targeting: Marketing efforts can be more effectively directed towards specific audience segments based on company size.
• Competitive Advantage: Understanding the landscape of company sizes within an industry can provide a strategic edge.

Implementation Best Practices and Integration Tips

When integrating Klazify's API for company size information classification, consider the following best practices:

• Ensure that your development team is familiar with REST API principles for smooth integration.
• Utilize the API's extensive documentation to understand all available features and capabilities.
• Test the API with various URLs to gauge its accuracy and reliability in different scenarios.

Check out the full Klazify API documentation for more details on implementation and features.

Future Trends in Content Classification

As we look ahead, several trends are likely to shape the future of content classification:

• Increased reliance on AI and machine learning for more nuanced understanding of content.
• Greater emphasis on real-time data analysis to keep pace with rapidly changing digital landscapes.
• Expansion of categorization capabilities to include more granular and specialized categories.

In conclusion, Klazify offers a comprehensive solution for classifying websites, particularly in the area of company size information. By leveraging its advanced features and capabilities, businesses can gain valuable insights that drive strategic decisions and enhance their competitive positioning. Try Klazify API for free and experience the benefits of accurate content classification today!