Extend: Document Processing Infrastructure for AI Agents

Production-ready document processing

Parse, extract, and split your hardest documents with unmatched accuracy. Ship reliable document agents in minutes, not months.

Python Typescript CLI

$ pip install extend-ai

Trusted by leading AI teams

The highest performance document APIs for your agents and pipelines. Processing millions of pages every day.

/ parse

Convert unstructured documents into context for agents.

/ extract

Extract structured data from documents into any schema.

/ split

Segment multi-document files into individual subdocuments.

/ classify

Classify documents into pre-defined categories.

/ edit

Detect form fields and fill them programmatically.

Capabilities

Benchmark

State of the art parsing on the hardest production documents.

RealDoc-Bench tests production documents where layout, reading order, and field relationships determine downstream answer quality.

95.7%

  1. Extend Performance Parse
  2. Extend Light Parse
  3. Gemini 3.5 Flash
  4. Azure DI
  5. AWS Textract

Document Q&A

Field-level answer accuracy from parsed markdown across 1,359 prompts and 581 documents.

Production-ready document processing takes more than models. A batteries-included toolkit to go from PDFs to production, fast.

Composer Agent

Skip manual prompt trial-and-error with an optimization agent. Upload examples and let Composer identify issues, automatically refine your schemas, and improve accuracy in the background.

Document workflows

End-to-end orchestration for complex pipelines. Build multi-step workflows that parse, split, extract, validate, and route with versioning and durability out of the box.

Enterprise-grade security for your data.

Self-hosted deployment

Run entirely on your infrastructure. Keep sensitive documents in-house with the same speed, accuracy, and features as our cloud.

SOC 2, HIPAA, & GDPR

Built for regulated industries. Certified with regular third-party penetration testing, and trusted by F500s in every industry.

Turn your documents into high quality data