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Extend
Document processing APIs for parsing, extracting, splitting, classifying and verifying documents for AI agents and pipelines
What is Extend?
Extend is a document processing platform with APIs for AI agents and data pipelines. Parse converts unstructured files into structured context, detecting tables, checkboxes, images, handwriting and signatures across 35+ file types and 100+ languages. Extract pulls data into any schema and returns citations with bounding boxes for each value, and it can handle files over 1,000 pages. Split separates multi-document files into individual documents, Classify sorts documents into categories you define, Edit detects and fills form fields, and Verify detects tampered or AI-generated documents. Studio, evaluation suites, Composer, a Review Agent and Workflows help teams build and test processors. SDKs are available for Python, TypeScript, Java and Go, plus a CLI. Billing is by credit per page: Pay As You Go is free to start with 10k credits ($100 worth), then $0.01 per additional credit. Light modes cost about a quarter of Performance modes. Growth and Enterprise plans use custom per-credit pricing and add features such as HIPAA compliance, SSO and private VPC deployment.
Use cases
- Parse PDFs and scans into structured text
- Extract fields from invoices and forms
- Split multi-document files by type or ID
- Classify incoming documents
- Fill PDF forms programmatically
- Detect tampered or AI-generated documents
Who it's for
Why use Extend
- Pay per page with no monthly minimum or sales call on the entry plan.
- Choose Light or Performance mode per processor to balance cost and accuracy.
- Every extracted value comes with citations so results can be checked.
- Start with 10k free credits to test on your own documents.
Extend features
- Parse with layout detection for tables, checkboxes and handwriting
- Extract to any schema with citations and bounding boxes
- Split large multi-document files
- Classify with memory from past examples
- Edit API for form detection and filling
- Verify for document fraud detection
- Light, Performance and Auto processing modes
- Studio, evals, Composer and Review Agent
- Python, TypeScript, Java and Go SDKs plus CLI
How to get started with Extend
- Sign up, create an API key and install an SDK or the CLI.
- Send documents to Parse, or define a schema and run Extract.
- Add Split, Classify or Edit processors and test them in Studio with evaluation suites.
- Monitor credit usage with alerts and dashboards and scale to Growth or Enterprise when volume grows.
Extend limitations
- Pay As You Go concurrency is 60 documents and 500 pages
- Business Associate Agreement is an add-on on Pay As You Go
- SSO, SAML and private VPC deployment are Enterprise only
- Parse is billed separately when using Extract or Split
Extend pricing
Yes, Extend has a free plan. Paid plans start at $0.01 usage-based, according to the official pricing page on .
Extend plans
Pay As You Go
Free
10k credits ($100) free, then $0.01 per additional credit
- 10,000 free credits
- Parse, Extract, Classify, Split and Edit APIs
- Studio and Evals
- Composer and Review Agent
- Workflows
- Zero data retention
Growth
Custom
- Custom credit volume
- Private Slack channel support
- Volume discounts
- Higher rate limits
- HIPAA compliance and BAA
Enterprise
Custom
- BYOC and Hybrid deployments
- Custom MSA, DPA and SLAs
- SSO and SAML
- Advanced RBAC
- Custom models
- Dedicated support
Plans as listed on the official pricing page on . Prices can change and may vary by country or exclude tax. Check the official pricing page.
Extend alternatives
The main Extend alternatives listed on Debuly are Reducto, Unstructured, LlamaIndex, Pulse, NuMind and Instructor. The table compares pricing and platforms; order is A–Z.
| Tool | Pricing | Starting price | Platforms |
|---|---|---|---|
| Extend | Freemium | $0.01, usage-based | API, CLI |
| Instructor | Open source | — | API, Self-hosted |
| LlamaIndex | Freemium | $50/mo | Web, API, Self-hosted |
| NuMind | Paid | $5, usage-based | Web, API, Self-hosted |
| Pulse | Freemium | — | Web, API |
| Reducto | Free trial | $10, usage-based | API, Web, Self-hosted |
| Unstructured | Freemium | $0.03, usage-based | Web, API, Self-hosted |

Instructor
Open-source library that gets validated, typed structured data out of LLMs using Pydantic models and automatic retries.
Open sourceVisit Instructor (official site)LlamaIndex
Open-source framework plus the LlamaParse platform for parsing, extracting and indexing documents so LLM apps can use them.
FreemiumVisit LlamaIndex (official site)
NuMind
Document extraction platform from NuMind that turns PDFs, scans and text into structured JSON through a web app or API.

Pulse
Document processing API and web platform that turns PDFs, spreadsheets and images into markdown, tables and structured JSON.
FreemiumVisit Pulse (official site)
Reducto
Document processing API and Studio that parses PDFs, scans and spreadsheets into structured data for AI and data teams.
Free trialVisit Reducto (official site)
Unstructured
Turns PDFs, Office files, emails and images into clean, chunked, embedded data that is ready for LLM and RAG pipelines.
Extend FAQ
How much does Extend cost?
Pay As You Go is free to start with 10k credits ($100), then $0.01 per additional credit. Growth and Enterprise pricing is custom.
How much does parsing cost?
On Pay As You Go, Light parsing is 0.5 credits per page, Performance is 2 credits per page, and Auto routes between them.
Is there a free plan?
Pay As You Go has no monthly fee and includes 10,000 free credits to get started.
What plans does Extend have?
Pay As You Go, Growth and Enterprise. Growth adds Slack support and HIPAA compliance, and Enterprise adds BYOC, SSO and SAML.
Does Extend have an API and SDKs?
Yes. It provides APIs with Python, TypeScript, Java and Go SDKs and a CLI.
What are alternatives to Extend?
Alternatives include Reducto, LlamaParse, Unstructured, AWS Textract and Google Document AI.
Sources & verification
Facts on this page come from the official sources below, each with the date we read it. Written by Debuly; the vendor did not review this page.
| Source | Type | Accessed |
|---|---|---|
| extend.ai/ | official | |
| extend.ai/pricing | pricing | |
| docs.extend.ai/general/how-credits-work | docs |
Image credits
- Logo: from extend.ai · fetched · Vendor trademark, used only to identify the product; removed on request
- Cover: none collected yet, so a generated tile is shown.
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