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Best 架构标记 APIs

Schema Markup Validator API

Data & Analytics

Validate structured data markup on any web page including JSON-LD, Microdata, and RDFa. Detects Schema.org types, checks for errors, and returns detailed validation results.

Free 7-Day Trial

100% uptime 223ms avg MCP ready

Markdown Document Converter API

Tools & Utilities

Convert lightweight markup documents into clean sanitized web markup, styled print ready documents or editable word processor files, with real heading styles, lists, tables and code blocks.

Free 7-Day Trial

100% uptime 10,047ms avg MCP ready

Structured Data Markup Validator API

Data & Analytics

Extracts and validates JSON-LD, Microdata, RDFa, and structured markup from webpages or raw HTML for SEO and technical validation.

Free 7-Day Trial

100% uptime 1,874ms avg MCP ready

Website to Markdown API for LLM Workflows

Natural Language Processing (NLP)

Convert public static and JavaScript-rendered web pages into clean Markdown for LLM ingestion, RAG pipelines, search indexing, and content processing.

Free 7-Day Trial

100% uptime MCP ready

Diagram Render API

Tools & Utilities

Render diagrams from text-based notation including Mermaid, PlantUML, and DOT syntax. Returns high-quality PNG or SVG images of flowcharts, sequence diagrams, class diagrams, and more.

Free 7-Day Trial

100% uptime 5,089ms avg MCP ready

AI Web Scraper and Data Extraction API

Tools & Utilities

Scrape static and JavaScript-rendered web pages into clean Markdown, text, HTML, links, and metadata, with automatic browser rendering and optional caching.

Free 7-Day Trial

100% uptime 581ms avg MCP ready

Markdown to Safe HTML Converter API

Tools & Utilities

Convert GitHub flavored Markdown (tables, lists, code) to safe HTML. Scripts and inline handlers are stripped by default.

Free 7-Day Trial

100% uptime 1,198ms avg MCP ready

JavaScript Web Scraper API

Tools & Utilities

Scrape public static and JavaScript-rendered web pages into Markdown, text, HTML, links, and metadata with automatic browser rendering and optional caching.

Free 7-Day Trial

100% uptime MCP ready

Web Content and Metadata Extraction API

Natural Language Processing (NLP)

Extract clean text, HTML, links, titles, and metadata from public static or JavaScript-rendered web pages through a simple JSON API.

Free 7-Day Trial

100% uptime MCP ready

Open Graph Twitter Card Validator API

Social Media & Networking

Validate Open Graph and Twitter Card tags from a page URL or pasted HTML. Get a graded JSON report with preview fields, coded issues, and whether required social meta tags are present.

Free 7-Day Trial

100% uptime 293ms avg MCP ready

Web Content Sanitizer API

Security & Cybersecurity

Clean untrusted web markup in one call: strip scripts, event handlers and dangerous attributes to prevent injection attacks, while keeping safe formatting. Three cleaning profiles plus a custom allowed tag list.

Free 7-Day Trial