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WebKit API

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API Development
Developer Tools
Data Science & ML

Provide a suite of developer utility APIs and remote MCP servers for data validation, document processing, geolocation, and LLM utilities.

WebKit API provides a versatile collection of focused REST endpoints and remote Streamable HTTP MCP servers designed to handle everyday development tasks. Covering essential utilities such as email and phone validation, DNS/SSL lookups, PDF text extraction, QR code generation, fraud scoring, and LLM token optimization, each API is structured to plug directly into applications or AI workflows. By hosting remote MCP endpoints for popular AI tools like Claude, Cursor, and LangChain, it enables language models to execute validation and data-processing tasks without requiring heavy local dependencies or complex setup.

Key Features

01Built-in Streamable HTTP MCP servers for seamless tool execution by AI agents
02Comprehensive validation suite for emails, phone numbers, IBANs, EU VAT, and postcodes
03Domain, SSL certificate, WHOIS/RDAP, and IP geolocation reconnaissance tools
04LLM utilities including token counting, RAG chunking, HTML-to-Markdown conversion, and JSON repair
05Document and media processing for PDF text extraction, conversion, and image manipulation
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Use Cases

01Equipping AI assistants and workflow automations with on-demand tools for validating user inputs and parsing data
02Evaluating signup risk and payment details with integrated fraud scoring, IP geolocation, and format checks
03Processing document workflows and LLM inputs with text extraction, RAG chunking, and JSON formatting