Unified Document Parsing Engine Powered by MinerU & PaddleOCR

Parse4ai — Universal Parsing Engine for AI Applications

Aggregate multiple parsing engines (MinerU, PaddleOCR, and more) with intelligent routing and standardized output. One API, infinite possibilities for your AI applications.

10+
Supported Formats
< 5s
Avg. Response
99%
Availability
100K+
Monthly API Calls

Why Choose Parse4ai?

The complete solution for document parsing in AI applications

Multi-Engine Integration + Smart Routing

Aggregate MinerU, PaddleOCR, and multiple parsing engines. Intelligent routing automatically selects the optimal engine. One API unlocks multiple engines for maximum flexibility.

Unified Input/Output Model

One API to handle PDFs, Word, PPT, scanned documents, and images. Standard output in JSON, Markdown, or HTML—consistent data structure across all formats.

Enterprise-Grade Performance & Stability

99.9% availability guarantee. < 5s average response time with error rate < 0.5%. Built for AI product-level requirements.

Rich Plugin Ecosystem

Seamless integration with LangChain, n8n, LlamaIndex, Flowise, and Dify. Ready-to-use loaders, nodes, and plugins for your workflow.

Zero Maintenance, Auto-Upgrade

We maintain and upgrade the backend engines for you. No infrastructure management—just consume the API and focus on your application logic.

Multi-Language Support

Support document parsing in 100+ languages including Chinese, English, Japanese, Korean, and more. Built-in language detection ensures accurate parsing for global documents.

One API, Multiple Engines, Infinite Possibilities

Start with one line of code. Access multiple parsing engines through a single, unified interface.

import requests

# 创建解析任务
response = requests.post(
    "https://api.parse4ai.com/v4/extract/task",
    headers={
        "Authorization": "Bearer YOUR_API_KEY",
        "Content-Type": "application/json"
    },
    json={
        "url": "https://example.com/doc.pdf",
        "is_ocr": True,
        "enable_formula": True
    }
)

task_id = response.json()["data"]["task_id"]
print(f"任务 ID: {task_id}")

Pricing

Choose the plan that works best for you

Free

$0

Basic features for trial

  • 10,000 credits parsing quota (one-time)
  • Basic parsing pipeline support (PDF, Docx, Image-OCR, HTML and other basic formats)
  • Basic parsing models
  • Maximum file size: 30MB per file
  • Maximum API concurrency: 2 concurrent requests
  • Output formats: JSON / Markdown
  • Basic model support (Standard Model)
  • Regular queue
  • Community support (Discord)
    Popular

    Pro

    $1/month

    Advanced features for professionals

    • All Free features
    • 500,000 credits per month, overage purchase $1 / k credits
    • High-precision OCR (scanned / complex layouts)
    • Enhanced table structuring: cross-page, merged cells, row/column inference
    • Mixed text and image parsing (e.g., financial reports)
    • Custom JSON Schema (contracts, reports, financial documents, etc.)
    • Document classification models (automatic recognition of contracts / reports / invoices)
    • Output formats: JSON / Markdown, Chunks, Embedding
    • Priority queue
    • Email + Slack support

      Pay-as-you-go

      $1.5 / k credits

      Advanced features for flexible usage

      • All Free features
      • High-precision OCR (scanned / complex layouts)
      • Enhanced table structuring: cross-page, merged cells, row/column inference
      • Mixed text and image parsing (e.g., financial reports)
      • Custom JSON Schema (contracts, reports, financial documents, etc.)
      • Document classification models (automatic recognition of contracts / reports / invoices)
      • Output formats: JSON / Markdown, Chunks, Embedding
      • Priority queue
      • Email + Slack support

        Testimonials

        What our customers are saying

        Ethan Miller

        AI Engineer

        Parse4ai saved us weeks of engineering time. We integrated multiple parsing models through a single API — it just works.

        Sophia Zhang

        Research Engineer

        Finally, a reliable parsing layer built for AI workflows. Our RAG pipelines are now twice as fast.

        Daniel Park

        CTO

        Before Parse4ai, we maintained three different parsing services. Now, everything runs through one unified API.

        Alice Rivera

        Lead Developer

        Parse4ai gives us the flexibility to switch between PaddleOCR and MinerU instantly. That's a game-changer.

        Leo Hernandez

        Product Manager

        Our document ingestion for AI agents used to be messy. Parse4ai turned it into a clean, structured pipeline overnight.

        Grace Thompson

        Founding Engineer

        We built our entire knowledge extraction layer on Parse4ai — stable, scalable, and developer-friendly.

        Max Rivera

        ML Engineer

        Parse4ai unified our parsing for PDFs, scans, and slides. Zero setup, huge productivity gain.

        Yuki Tanaka

        Co-founder

        The unified pricing and output format simplified our integration process dramatically.

        Rahul Mehta

        Senior Engineer

        What used to take days of maintenance is now just one API call — thanks to Parse4ai.

        Elena Petrova

        Head of AI

        Parse4ai is the missing layer between raw documents and intelligent AI systems.

        Tom Becker

        Founder

        It feels like the Stripe of document parsing — elegant, consistent, and powerful.

        Chloe Sun

        Developer

        We integrated Parse4ai into our LangChain workflows in minutes. Everything just clicked.

        Start Building

        Unified API for High-Performance Document Parsing

        Get StartedSee Demo

        Newsletter

        Join the community

        Subscribe to our newsletter for the latest news and updates