API Overview

Complete API documentation for LLMOCR OCR services. Convert PDFs and images to Markdown with our powerful REST API.

PDF to Markdown

POST/api/pdf-to-markdown

Convert PDF documents to structured Markdown format with automatic image extraction and hosting. Supports URL links and base64 encoded data.

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Image to Markdown

POST/api/image-to-markdown

Convert images to Markdown format based on advanced visual understanding models that accurately identify text content and structural information.

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Text Recognition

POST/api/text-recognition

High-precision text recognition focused on Chinese and English, returns results in pure text format, suitable for daily documents and screenshots.

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Advanced Recognition

POST/api/advanced-recognition

High-precision text recognition with position detection, extracts text content and provides detailed coordinate information (rotation rectangle and four-point coordinates) for each text block.

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Multilingual Text Recognition

POST/api/multilingual-text-recognition

Support for multilingual text recognition including Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Vietnamese and more, returning results in plain text format.

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Key Information Extraction

POST/api/key-information-extraction

Extract structured information from invoices, certificates, and forms with custom JSON Schema support, returning results in JSON format.

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Formula Recognition

POST/api/formula-recognition

Extract mathematical formulas from images and return recognition results in LaTeX format, supporting both handwritten and printed formulas.

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API Overview - LLMOCR Developer Guide