Best Company Size Information APIs in 2026

In today's digital landscape, the ability to accurately classify websites based on their content is crucial for businesses and organizations. This is especially true for companies looking to understand their audience, enhance their marketing strategies, and ensure compliance with industry regulations. The demand for precise website classification has led to the emergence of various APIs, but one stands out as the best solution for classifying company size information: Klazify. With its advanced capabilities, Klazify excels in providing accurate, real-time data that empowers businesses to make informed decisions.

Why Klazify is the Best API for Classifying Company Size Information

Accurate Website Categorization Using AI

Klazify utilizes advanced machine learning models that analyze the full content of websites, not just metadata. This allows for precise identification of company size information, ensuring that businesses can accurately categorize and understand their competitors and market landscape. For instance, if a user queries a URL related to a tech startup, Klazify can discern whether the company has 10 employees or 10,000, providing valuable insights into its market positioning.

Global Coverage

In an increasingly globalized economy, the ability to analyze websites in multiple languages is essential. Klazify's global coverage ensures that businesses can classify company size information from websites around the world, making it an invaluable tool for companies operating in diverse markets.

Real-Time Classification

Klazify offers real-time classification, providing up-to-date analysis rather than relying on outdated databases. This is particularly important for businesses that need to stay ahead of market trends and competitor movements. For example, if a company rapidly scales its workforce, Klazify can quickly reflect this change in its classification, allowing other businesses to adapt their strategies accordingly.

Industry-Level Categories

Klazify employs the Interactive Advertising Bureau (IAB) taxonomy, which includes granular, industry-standard categories specific to company size information. This allows businesses to not only classify websites but also to understand the context of the data they are analyzing. For example, a company categorized under "Small Business" can be further analyzed for its specific industry, providing deeper insights into market dynamics.

Simple API Integration

The Klazify API is designed to be developer-friendly, featuring a REST API that is easy to integrate into various applications. This simplicity allows businesses to implement website classification into their existing systems without extensive development time. Whether it's for a marketing platform or a CRM system, Klazify can seamlessly fit into any tech stack.

Superior Compliance and Filtering

Klazify excels in detecting, filtering, or whitelisting relevant sites, making it an excellent choice for businesses that need to ensure compliance with industry regulations. For example, companies in the financial sector can use Klazify to filter out websites that do not meet specific compliance standards, ensuring that they only engage with reputable businesses.

Klazify API Information

API Description

Klazify is an all-in-one domain data source that provides comprehensive information about websites, including logos, company data, categorization, and more, all derived 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 that categorizes websites into hierarchical categories based on content analysis. Klazify provides accurate classification of domains across 621 different categories, ensuring that businesses can find the information they need quickly and efficiently.

Content Categorization

Klazify analyzes the actual content on webpages to determine relevant categories, not just domain-level categorization. This enables more granular and accurate content understanding, which is essential for businesses looking to classify company size information accurately.

Domain Analysis

Klazify provides comprehensive domain information, including registration data, related domains, and overall domain reputation metrics. This information is crucial for businesses that need to assess the credibility of potential partners or competitors.

URL Classification

Klazify allows for page-level content classification, categorizing specific URLs rather than just domains. This is particularly useful for websites with diverse content, enabling businesses to gain insights into specific sections of a site.

IAB Taxonomy Mapping

Klazify maps categorized content to the Interactive Advertising Bureau (IAB) taxonomy, making it valuable for advertising and content monetization purposes. This mapping ensures that businesses can effectively target their advertising efforts based on accurate classifications.

Company Information Retrieval

Klazify extracts company details such as name, description, size, revenue, and location from domains. This information is vital for businesses looking to understand their competitors and market landscape.

Audience Targeting Insights

Klazify provides data useful for understanding audience demographics and interests based on content categorization. This insight allows businesses to tailor their marketing strategies to better reach their target audience.

Automated Content Tagging

Klazify automatically generates relevant tags for content, making content organization and discovery more efficient. This feature is particularly beneficial for businesses looking to streamline their content management processes.

Categorization System

Klazify uses 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'. Here are examples of main category groups:

• Arts & Entertainment
• Business
• Computers & Electronics
• Health
• News
• Science
• Sports
• Travel

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, detect policy violations, and ensure compliance with corporate internet usage policies.
• Prohibited Content Detection: Automatically identify and filter websites containing inappropriate, illegal, 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 across various categories.
• Competitive Intelligence: Analyze competitors' web presence by categorizing their content to understand their market positioning, target audience, and digital strategy.
• Digital Ad Placement Optimization: Ensure brand safety by precisely controlling where digital advertisements appear based on content categories.
• Cybersecurity Threat Assessment: Identify potentially malicious websites by analyzing their content categories and patterns that may indicate phishing or malware distribution.
• Market Research & Trend Analysis: Categorize industry websites to track emerging trends, content shifts, and evolving consumer interests.
• Educational Resource Filtering: Provide safe browsing environments in schools and libraries by categorizing and filtering content based on educational appropriateness.
• Regulatory Compliance: Ensure websites meet industry-specific compliance requirements by accurately categorizing their content (particularly important in financial, healthcare, and government sectors).
• Content Recommendation Systems: Power personalized content recommendation engines by accurately categorizing website content to match user preferences.
• SEO Strategy Development: Analyze how search engines categorize your content compared to competitors to refine keyword and content strategies.
• 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 or engage with.
• Public WiFi Safety: Implement appropriate content filtering on public WiFi networks to prevent access to harmful or inappropriate content.
• Industry-Specific Research: Identify and analyze websites within specific industries for market research, lead generation, or partnership opportunities.

Implementation Best Practices and Integration Tips

To maximize the benefits of the Klazify API, businesses should consider the following best practices:

• Ensure proper API authentication and security measures are in place to protect sensitive data.
• Utilize the API's real-time capabilities to keep data current and relevant.
• Integrate Klazify's categorization features into existing workflows to streamline processes.
• Regularly review and update classification parameters to align with changing business needs.
• Leverage audience targeting insights to refine marketing strategies and improve engagement.

Future Trends in Content Classification

The future of content classification is poised for significant advancements, particularly in the realm of artificial intelligence and machine learning. As these technologies evolve, we can expect:

• Increased accuracy in classification as algorithms become more sophisticated.
• Greater integration of real-time data analysis, allowing businesses to adapt quickly to market changes.
• Enhanced capabilities for detecting and filtering harmful content, ensuring safer online environments.
• More granular categorization options, enabling businesses to gain deeper insights into their competitors and market dynamics.

Conclusion

In conclusion, Klazify stands out as the premier API for classifying company size information. Its advanced features, real-time capabilities, and global coverage make it an invaluable tool for businesses looking to enhance their understanding of the digital landscape. By leveraging Klazify's powerful classification system, companies can gain insights that drive strategic decision-making and foster growth.

To explore the full potential of Klazify, Try Klazify API for free and see how it can transform your approach to website classification.