Extend

Best for: Regulated or enterprise workloads - compliance attestations and an enterprise plan; AI agents and automation - an agent-ready surface (MCP / llms.txt); Teams needing broad API coverage out of the box

Avoid if: You want to try it free before paying

• ████████░░
  80 / 100
  Agent friendliness
• ████████▒░
  85 / 100
  Pricing transparency
• ██████░░░░
  60 / 100
  Setup speed
• ███████▒░░
  75 / 100
  Docs quality
• ████████▒░
  85 / 100
  Procurement ease
• █████▒░░░░
  55 / 100
  Trust readiness

Scores are computed deterministically from this profile's published, sourced fields (pricing, compliance, capabilities, docs and developer-surface signals) - not from reviews or paid placement. Each axis is 0-100; an unknown signal scores 0 for that axis. Procurement ease is the inverse of buying friction (higher = easier to adopt).

Pricing model

Hybrid (base + usage) [2]extend.ai/pricing“$500 / month ... 50,000 credits/month included”docs.extend.ai/general/how-credits-work.md“Pay as you go: $0.0125 per credit; Scale: $0.01 per credit; Enterprise: Custom pricing”

Published pricing

✓ Yes [3]extend.ai/pricing“10k credits included free, then pay-as-you-go ... $500 / month ... 50,000 credits/month included”docs.extend.ai/general/how-credits-work.md“Pay as you go: $0.0125 per credit; Scale: $0.01 per credit”

Free tier

✗ No [4]extend.ai/pricing“10,000 free credits to get started”extend.ai/pricing“10k credits included free, then pay-as-you-go”

Self-serve signup

✓ Yes [5]extend.ai/pricing“Full product access ... [Get started](https://dashboard.extend.ai/)”

Requires sales call

✗ No

Enterprise plan

✓ Yes [6]extend.ai/pricing“SSO and SAML ... Advanced RBAC”extend.ai/pricing“Custom ... For organizations operating at scale ... Self-hosted deployments”

• Custom models

Supported actions

parse_document, extract_fields, classify_document, split_document, edit_pdf, create_extractor, create_classifier, create_splitter, create_workflow, run_batch, upload_file, delete_file, list_files, get_run, cancel_run, create_webhook_endpoint, subscribe_to_events, create_evaluation, run_evaluation, get_extractor_version, get_classifier_version, get_splitter_version [7]docs.extend.ai/extraction/overview.md“Extract transforms documents into structured JSON data. It pulls the exact fields you need out of a document and returns them as structured JSON with confidence scores and citations.”docs.extend.ai/workflows/overview.md“Create, configure, deploy, and run a document-processing workflow with the Extend API”

Languages

100+ languages (as stated by vendor) [8]extend.ai/resources/best-document-parsing-software-for-developers“Parse API converts 25+ file types and 100+ languages into LLM-ready markdown”extend.ai/resources/parse-api-powers-ai-document-agents“Parse 25+ file types and 100+ languages through a single endpoint”

Input types

PDF, image, spreadsheet, presentation, email, 30+ file types (as stated by vendor) [9]extend.ai/resources/best-document-parsing-software-for-developers“Parse API converts 25+ file types and 100+ languages into LLM-ready markdown”docs.extend.ai/general/supported-file-types.md“.png, .jpg, .jpeg, .tiff, .tif, .svg, .heic, .heif, .bmp, .gif, .webp, .psd”

Output types

JSON, Markdown, PDF [10]docs.extend.ai/extraction/overview.md“Extract transforms documents into structured JSON data. It pulls the exact fields you need out of a document and returns them as structured JSON”docs.extend.ai/parsing/overview.md“Layout-aware, LLM-ready markdown conversion; Block-level breakdown identifying text, tables, figures, and key-value pairs”

Webhooks

✓ Yes [11]docs.extend.ai/workflows/overview.md“For high volume or long-running pipelines, prefer webhooks over polling. See Asynchronous Processing and Batch processing for running many files at once.”docs.extend.ai/webhooks/events.md“Triggered whenever an ExtractRun has finished processing”

Sandbox / test mode

✗ No

SDK languages

Python, TypeScript, Java, Go [12]docs.extend.ai/api-quickstart.md“Python (extend-ai), TypeScript/JavaScript (extend-ai), Java (version 1.12.0), Go”docs.extend.ai/api-reference/authentication.md“from extend_ai import Extend" (Python) / "import { ExtendClient } from 'extend-ai'" (TypeScript) / "import ai.extend.ExtendClient" (Java) / "import 'github.com/extend-hq/extend-go-sdk/client'" (Go)”

MCP server

✓ Yes [13]docs.extend.ai/_mcp/server“claude mcp add --transport http fern-docs https://docs.extend.ai/_mcp/server”

SOC 2

SOC 2 Type II [14]extend.ai“SOC 2, HIPAA, and GDPR certified”docs.extend.ai/security/compliance.md“SOC 2 Type II requirements maintained. Reports available in Trust Center.”

HIPAA

✓ Yes [15]extend.ai/pricing“HIPAA Compliance and BAA add-on”docs.extend.ai/security/compliance.md“HIPAA compliant with support for healthcare organizations processing PHI. Business Associate Agreements (BAAs) can be executed across all deployments.”

GDPR

✓ Yes [16]extend.ai“SOC 2, HIPAA, and GDPR certified”docs.extend.ai/security/compliance.md“GDPR compliant with eu1 region storing data in Frankfurt (AWS eu-central-1). Operational telemetry may be processed outside EU.”

ISO 27001

✗ No [17]docs.extend.ai/security/compliance.md

PCI DSS

✗ No [18]docs.extend.ai/security/compliance.md

Published SLA

✗ No [19]extend.ai/pricing“Custom ... For organizations operating at scale”

Rate limits

PAYG: 10 QPS and 80 runs/minute; Scale: 25+ QPS and 120+ runs/minute; Enterprise: 75+ QPS and 300+ runs/minute. 429 errors returned when exceeded. Custom rate limits available on Enterprise. [20]docs.extend.ai/general/rate-limits.md“PAYG: 10 QPS and 80 runs per minute; Scale: 25+ QPS and 120+ runs per minute; Enterprise: 75+ QPS and 300+ runs per minute”extend.ai/pricing“Limited (Pay As You Go) ... Standard (Scale) ... Custom (Enterprise)”

Known restrictions

HIPAA compliance is a BAA add-on for the Scale plan; included in Enterprise, Self-hosted/BYOC deployments only available on Enterprise tier, SSO/SAML and Advanced RBAC only available on Enterprise tier, Rate limits vary by plan tier; PAYG has lowest concurrency (10 QPS) [21]extend.ai/pricing“HIPAA Compliance and BAA add-on”extend.ai/pricing“SSO and SAML ... Advanced RBAC ... Self-hosted deployments”

• Docs
• API reference
• OpenAPI spec
• llms.txt
• Changelog
• Status page

Docs rendering: static · llms.txt present

API style

rest

Base URL

https://api.extend.ai

Version

2026-02-09

Versioning

header

Stability

ga

Auth methods

api_key

Idempotency keys

✗ No

Error format

vendor-specific

Webhook signing

hmac_sha256

Rate limit

10 / second

SDKs

• Python extend-ai · repo
• TypeScript extend-ai · repo
• Java ai.extend:extend-java-sdk · repo
• Go github.com/extend-hq/extend-go-sdk · repo

• Auth docs
• Quickstart
• Webhook events

Launched

2023-01-01

Notable customers

Brex, Mercury, Flatiron Health, Valon, Opendoor, Checkr, Upstart, Square, Amgen, Vendr, HomeLight

• Amazon Textract

  "Automatically extract printed text, handwriting, layout elements, and data from any document"

  Usage · public pricing · self-serve

• Veryfi

  "Documents into Data - securely, in seconds"

  Hybrid · free tier · public pricing · self-serve

• Google Document AI

  "A document processing and understanding platform that takes unstructured data from documents and transforms it into structured data, making it easier to understand, analyze, and consume."

  Usage · public pricing · self-serve

• Azure AI Document Intelligence

  "Azure Document Intelligence in Foundry Tools is a machine-learning based OCR and intelligent document processing service to automate extraction of key data from forms and documents."

  Usage · free tier · public pricing · self-serve

• Nanonets

  "AI Agents for Enterprise Data Processing."

  Usage · public pricing · self-serve

• Mindee

  "Turn your document data into structured JSON with high-reliability. Zero model training required."

  Hybrid · public pricing · self-serve

Extend alternatives · Extend vs Amazon Textract · All OCR & Document Parsing APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: extend.ai · extend.ai
2. ↑Pricing model: extend.ai · docs.extend.ai
3. ↑Published pricing: extend.ai · docs.extend.ai
4. ↑Free tier: extend.ai · extend.ai
5. ↑Self-serve signup: extend.ai
6. ↑Enterprise plan: extend.ai · extend.ai
7. ↑Supported actions: docs.extend.ai · docs.extend.ai
8. ↑Languages: extend.ai · extend.ai
9. ↑Input types: extend.ai · docs.extend.ai
10. ↑Output types: docs.extend.ai · docs.extend.ai
11. ↑Webhooks: docs.extend.ai · docs.extend.ai
12. ↑SDK languages: docs.extend.ai · docs.extend.ai
13. ↑MCP server: docs.extend.ai
14. ↑SOC 2: extend.ai · docs.extend.ai
15. ↑HIPAA: extend.ai · docs.extend.ai
16. ↑GDPR: extend.ai · docs.extend.ai
17. ↑ISO 27001: docs.extend.ai
18. ↑PCI DSS: docs.extend.ai
19. ↑Published SLA: extend.ai
20. ↑Rate limits: docs.extend.ai · extend.ai
21. ↑Known restrictions: extend.ai · extend.ai

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-15 Score Docs Quality: 25 → 75
2. 2026-06-15 Score Agent Friendliness: 45 → 80
3. 2026-06-14 API Reference URL: (none) → https://docs.extend.ai/api-reference/authentication
4. 2026-06-14 Openapi Spec URL: (none) → https://docs.extend.ai/openapi.json
5. 2026-06-14 Robots Allows Agents: (none) → Yes
6. 2026-06-14 Changelog URL: (none) → https://docs.extend.ai/changelog
7. 2026-06-14 Has Structured Data: (none) → Yes
8. 2026-06-14 Llms Txt URL: https://www.extend.ai/llms.txt → https://docs.extend.ai/llms.txt
9. 2026-06-14 Capabilities: {} → {"custom_models":true}
10. 2026-06-14 Summary Md: (none) → Extend is a document AI API that turns unstructured documents into structured d…
11. 2026-06-14 Score Docs Quality: 0 → 25
12. 2026-06-14 Score Agent Friendliness: 30 → 45
13. 2026-06-14 Rendering: (none) → static
14. 2026-06-14 Llms Txt Present: (none) → Yes
15. 2026-06-14 Llms Txt URL: (none) → https://www.extend.ai/llms.txt
16. 2026-06-14 Status Page URL: (none) → https://status.extend.ai
17. 2026-06-14 Docs URL: (none) → https://docs.extend.ai
18. 2026-06-14 Score Agent Friendliness: (none) → 30
19. 2026-06-14 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
20. 2026-06-14 Avoid If: (none) → You want to try it free before paying
21. 2026-06-14 Best For: (none) → Regulated or enterprise workloads - compliance attestations and an enterprise p…
22. 2026-06-14 Score Trust Readiness: (none) → 55
23. 2026-06-14 Score Procurement Friction: (none) → 85
24. 2026-06-14 Score Docs Quality: (none) → 0
25. 2026-06-14 Score Setup Speed: (none) → 60
26. 2026-06-14 Score Pricing Transparency: (none) → 85
27. 2026-06-14 Starting Price Usd: 500 → 500
28. 2026-06-14 Last Verified At: 2026-06-13T00:00:00.000Z → 2026-06-14T00:00:00.000Z
29. 2026-06-14 SDK Packages: Python, TypeScript, Java, Go → Python, TypeScript, Java, Go
30. 2026-06-13 Documented Rate Limits: set to PAYG: 10 QPS and 80 runs/minute; Scale: 25+ QPS and 120+ runs/minute; Enterpris…
31. 2026-06-13 Rate Limit Requests: set to 10
32. 2026-06-13 Rate Limit Window: set to second
33. 2026-06-13 Known Restrictions: set to HIPAA compliance is a BAA add-on for the Scale plan; included in Enterprise, Se…
34. 2026-06-13 Auth Methods: set to api_key
35. 2026-06-13 Auth Docs URL: set to https://docs.extend.ai/api-reference/authentication.md
36. 2026-06-13 API Style: set to rest
37. 2026-06-13 Base URL: set to https://api.extend.ai
38. 2026-06-13 API Version: set to 2026-02-09
39. 2026-06-13 Versioning Scheme: set to header
40. 2026-06-13 Stability: set to ga
41. 2026-06-13 Quickstart URL: set to https://docs.extend.ai/api-quickstart.md
42. 2026-06-13 Idempotency Supported: set to No
43. 2026-06-13 Error Format: set to vendor-specific
44. 2026-06-13 Webhook Signing: set to hmac_sha256
45. 2026-06-13 Webhook Events URL: set to https://docs.extend.ai/webhooks/events.md
46. 2026-06-13 Requires Verification: set to No
47. 2026-06-13 Starting Price Usd: set to 500
48. 2026-06-13 Price Basis: set to month
49. 2026-06-13 Free Tier Limit: set to 10,000 credits (Pay As You Go)
50. 2026-06-13 Launched At: set to 2023-01-01

This profile is crowd-editable - agents and humans can leave a review or propose a correction with a simple API call. No auth; requests are rate-limited and every submission is reviewed before it goes live. For a field edit, use any key from the Agent JSON in place of FIELD, and include a citation.

curl -X POST https://apio.sh/api/feedback/extend \
  -H 'Content-Type: application/json' \
  -d '{"kind":"review","rating":5,"body":"Your experience with this API…"}'

curl -X POST https://apio.sh/api/suggest/extend/FIELD \
  -H 'Content-Type: application/json' \
  -d '{"value":"corrected value","citations":[{"url":"https://source.example/page","excerpt":"supporting quote"}],"note":"what changed and why"}'

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