Extend
Extend is an AI-native document processing platform providing APIs for parsing, classification, extraction, and splitting of complex documents with specialized large language models.
Overview
Founded in 2023 by Eli Badgio and Kushal Byatnal, Extend operates as a Y Combinator-backed document processing cloud platform serving technical teams building production document workflows. The company raised $17 million across seed and Series A rounds led by Innovation Endeavors in June 2025. Extend's platform uses specialized large language models and vision models designed specifically for complex document formats, handling tables, handwriting, and checkboxes with claimed 95%+ accuracy. Their customers include Chime, Brex, Flatiron Health, Opendoor, and Checkr for mission-critical document processing pipelines.
Key Features
- Specialized Vision Models: Custom-built AI models for complex document layouts including large tables, handwritten content, and form elements
- Document API Suite: APIs for document parsing, classification, data extraction, and document splitting
- Adaptive Learning: Memory system that learns from processed documents to improve accuracy on similar files over time
- Autonomous Optimization: AI agents that run experiments and automatically optimize extraction schemas
- Markdown Conversion: Transform documents into high-quality markdown format for LLM ingestion
- Production-Ready Validation: Data validation layer ensuring extracted information meets quality thresholds
Use Cases
Financial Document Processing
Fintech companies like Chime and Brex process loan applications, bank statements, and identity documents through Extend's APIs. The platform extracts account numbers, transaction histories, and personal information from varied document formats while handling poor-quality scans and handwritten annotations. Validated data flows into underwriting systems for credit decisions.
Healthcare Records Extraction
Healthcare organizations including Flatiron Health automate medical record processing by extracting patient demographics, diagnoses, prescriptions, and lab results from clinical documents. The system handles complex medical forms with checkboxes, tables, and physician handwriting, structuring information for electronic health record integration.
Real Estate Transaction Automation
Real estate platforms like Opendoor process property documents including contracts, disclosures, inspection reports, and title documents. Extend's vision models extract property details, terms, dates, and parties from multi-page PDFs with varied layouts. The learning system improves extraction accuracy as it processes similar property types and jurisdictions.
Technical Specifications
| Feature | Specification |
|---|---|
| Core Technology | Specialized LLMs and vision models for documents |
| Claimed Accuracy | 95%+ on complex documents |
| Capabilities | Parsing, classification, extraction, splitting, markdown conversion |
| Learning System | Adaptive memory that improves on similar documents |
| Document Complexity | Tables, handwriting, checkboxes, messy layouts |
| Deployment | API-based cloud platform |
| Optimization | Autonomous schema optimization through AI agents |
| Integration | RESTful APIs for technical teams |
| Target Users | Engineering and product teams building document workflows |
Resources
Company Information
Headquarters: Canada (based on LinkedIn profile)
Founded: 2023
Founders: Eli Badgio, Kushal Byatnal
Funding: $17 million (seed + Series A, June 2025)
Lead Investor: Innovation Endeavors
Accelerator: Y Combinator
Notable Clients: Chime, Brex, Flatiron Health, Opendoor, Checkr
