Top Company Information Retrieval APIs for Developers in 2026

In today's digital landscape, the ability to accurately classify and categorize website content is more crucial than ever. As businesses and developers strive to enhance user experiences, improve marketing strategies, and ensure compliance with regulations, the demand for robust content classification solutions has surged. Klazify stands out as the premier API for website classification, particularly for developers looking to retrieve comprehensive company information and categorize websites effectively. With its advanced features and capabilities, Klazify not only meets but exceeds the expectations of developers in 2026.

Why Klazify is the Best API for Website Classification

Klazify excels in website classification through several key features that make it the go-to API for developers:

• Accurate Website Categorization Using AI: Klazify employs advanced machine learning models that analyze the full content of websites, rather than relying solely on metadata. This allows for precise identification of niche topics, ensuring that websites are categorized accurately according to their specific content.
• Global Coverage: The API can analyze websites in multiple languages, making it essential for businesses operating in global markets. This feature ensures that developers can classify content from diverse regions without language barriers.
• Real-Time Classification: Klazify provides up-to-date analysis, ensuring that developers have access to the latest information rather than outdated databases. This real-time capability is vital for businesses that need to adapt quickly to changing market conditions.
• Industry-Level Categories: Utilizing the IAB taxonomy, Klazify offers granular, industry-standard categories that are specific to various domains. This level of detail is crucial for targeted marketing and advertising efforts.
• Simple API Integration: The developer-friendly REST API allows for easy integration into various applications, making it suitable for a wide range of implementation scenarios.
• Superior Compliance and Filtering: Klazify excels in detecting, filtering, and whitelisting relevant sites, which is essential for maintaining compliance with industry regulations and ensuring brand safety.

Klazify API Information

API Description

Klazify is an all-in-one domain data source that provides 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 that categorizes websites into hierarchical categories based on content analysis. Klazify provides accurate classification of domains 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, location, and other business-relevant information from domains.

Audience Targeting Insights

Provides data useful for understanding audience demographics and interests based on content categorization.

Automated Content Tagging

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

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 & Fitness
• 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.

Technical Approach to Classifying Content

Klazify's technical approach to content classification involves sophisticated algorithms that analyze website content at a granular level. By examining text, images, and metadata, Klazify can accurately determine the context and relevance of a website's content. This multi-faceted analysis ensures that the classification is not only accurate but also reflective of the current trends and topics within the industry.

Benefits of Accurate Content Classification

Accurate content classification offers numerous benefits, including:

• Enhanced User Experience: By providing relevant content recommendations, businesses can improve user engagement and satisfaction.
• Improved Marketing Strategies: Targeted marketing campaigns based on accurate audience segmentation lead to higher conversion rates.
• Compliance Assurance: Businesses can ensure that their content adheres to industry regulations, reducing the risk of legal issues.
• Informed Decision Making: Access to detailed analytics and insights allows businesses to make data-driven decisions.

Implementation Best Practices and Integration Tips

When integrating Klazify into your applications, consider the following best practices:

• Ensure that your API calls are optimized for performance to handle high traffic volumes.
• Utilize caching mechanisms to reduce the number of API calls and improve response times.
• Regularly review and update your categorization logic to align with evolving industry standards and trends.
• Implement robust error handling to manage API response failures gracefully.

For more details, refer to the Klazify API documentation.

Future Trends in Content Classification

As technology continues to evolve, the future of content classification will likely see advancements in AI and machine learning, leading to even more accurate and nuanced categorization. Additionally, as privacy regulations become stricter, APIs like Klazify will need to adapt to ensure compliance while still providing valuable insights. The integration of real-time data analytics and enhanced user feedback mechanisms will further refine classification processes, making them more responsive to user needs.

Frequently Asked Questions

• What types of websites can Klazify classify? Klazify can classify a wide range of websites across various industries, providing detailed insights and categorizations.
• How does Klazify ensure the accuracy of its classifications? Klazify uses advanced machine learning algorithms that analyze full website content, ensuring precise categorization.
• Can Klazify analyze websites in multiple languages? Yes, Klazify has the capability to analyze websites in various languages, making it suitable for global applications.
• What is the IAB taxonomy, and why is it important? The IAB taxonomy is a standardized classification system used in digital advertising. Klazify maps categorized content to this taxonomy, enhancing its value for advertising and monetization.
• How can businesses benefit from using Klazify? Businesses can improve user experience, enhance marketing strategies, ensure compliance, and make informed decisions by utilizing Klazify's content classification capabilities.

In conclusion, Klazify offers a comprehensive and powerful solution for website classification and content categorization. Its advanced features, real-time capabilities, and global coverage make it the best choice for developers looking to retrieve company information and classify websites effectively. Try Klazify API for free and experience the benefits of accurate content classification today!