API-First Platform

Unlimited possibilities.

Everything the UI can do, the API can do.
Build your own DMS in 10 minutes.
250+ Endpoints. Fully headless. MCP Ready.

Get started API Docs

Document AI · OCR · IDP · Voice · Image · Agent

Trusted by leading companies worldwide

Exclusive DMS Partner

Only official DMS

Need a DMS? Build one in under 10 minutes.

UI = API 100% functionality

Headless Fully API-controlled

MCP Ready AI tools integrated

What does API-First mean?

The API IS the product. The UI is just a frontend.

The API IS the product

PaperOffice was built API-First from the ground up. All functionality lies in the API.

UI.features === API.features

No restrictions

No "API-Light". No "basic features only". You get 100% of the functionality - headless.

Build what you want

Your own DMS? Your own OCR pipeline? Your own workflows? Your imagination is the limit.

BUILD_ANYTHING.md

# What you can build

Complete solutions. In minutes instead of months.

< 10 min

Your own DMS

Complete document management system with folder structure, versioning, search, sharing - all headless via API.

Folders & Documents Versioning Full-text search Permissions

POST /documents/upload GET /documents/search GET /folders/tree

5 min

OCR Pipeline

Extract text from images & PDFs. With bounding boxes, confidence scores, multi-language.

100+ languages Bounding Boxes Handwriting

5 min

Invoice Processing

Process invoices, receipts, contracts automatically. All fields extracted, validated, structured.

Auto-extraction Validation Export

15 min

Workflow Automation

Automate complete processes. Triggers, conditions, actions - all API-controlled.

Triggers & Actions Conditions Webhooks

10 min

Storage Integration

BYOS - Bring Your Own Storage. S3, Azure, Google Cloud, NAS, local servers - all connectable.

S3 / Azure / GCS WebDAV / SFTP NAS Systems

5 min

Voice Integration

Text-to-Speech & Speech-to-Text. Natural voices, transcription, multi-language.

TTS & STT 50+ Voices Real-time

And much more: Image AI, PDF Tools, Security & Data, Analytics, RAG Knowledge Base...

MCP_INTEGRATION.md

# MCP Ready: AI + API = Magic

Model Context Protocol

PaperOffice API is MCP-compatible. This means: AI tools like Cursor, Claude Desktop, Windsurf can work directly with the API.

cursor_ai_session.txt

You: Build me a DMS that automatically scans invoices, categorizes them and stores them in my S3 bucket.

AI: I'll create that for you using the PaperOffice API...

# 1. Connect storage mount
client.storage.mount(type="s3", bucket="...")

# 2. Create IDP pipeline
pipeline = client.idp.create_pipeline(
    document_types=["invoice"],
    auto_categorize=True
)

# 3. Done. Documents are being processed.

AI: ✓ Done! Your DMS is ready. Upload a document to test.

Works with:

Cursor

Claude

Windsurf

ChatGPT

+ more

API_MODULES.json

# Full access to everything

250+ Endpoints. 12 Modules. Complete functionality.

Document AI

Complete DMS: Upload, folders, versioning, search, sharing, permissions

Core Module

AI-OCR

Text extraction from images & PDFs with bounding boxes

Popular

AI-IDP

Intelligent document processing: Invoices, contracts, IDs

Popular

Agent AI

RAG Knowledge Base, Semantic Search, Document Q&A

Automation AI

Workflows, triggers, tasks, orchestration

Workflow

PDF AI

Convert, merge, split, edit, compress

Popular

Image AI

Generation, editing, optimization, conversion

Voice AI

Text-to-Speech, Speech-to-Text, transcription

Security & Data AI

Fraud prevention, IP geolocation, business data, fake detection

Security

Analytics AI

Knowledge graph, insights, reporting

Analytics

Storage Mounts

BYOS: S3, Azure, GCS, WebDAV, SFTP, NAS

Storage

Account & Billing

User management, billing, compliance, messages

Account

QUICKSTART.sh

# This easy to get started

Option 1

VISITOR Mode

Free

# No account needed!
# Test immediately:

curl -X POST https://api.paperoffice.ai/latest/ocr \
  -F "file=@document.pdf"

# Works. Now.

Perfect for testing. Limited quota.

Option 2

Full API Access

Full Power

# 1. Create account (free)
→ paperoffice.ai

# 2. Get API key
→ Account → API Keys

# 3. Get started
curl -H "Authorization: Bearer $TOKEN" \
  https://api.paperoffice.ai/latest/...

No limits. Pay-per-use.

Option 3

AI Coding

Magic

# Paste this URL in your AI:
https://api.paperoffice.ai/latest/docs/postman

# Then tell the AI what you want:
"Build me an OCR function
 that extracts invoice data"

AI crawls docs & writes code.

Base URLs

Production https://api.paperoffice.ai/latest

Postman Docs https://api.paperoffice.ai/latest/docs/postman

COMPARE.md

# The Difference

Other APIs

API as addon

Limited features

UI has more functions

Separate systems

Vendor lock-in

PaperOffice API

API IS the product

100% functionality

UI = API (identical)

One system, headless

BYOS - Your data

start_building.sh

$ paperoffice --init --mode api-first

→ API-First: activated

→ Features: 100% available

→ Limits: none

[OK] Build whatever you want.