Invoice Data Extraction
Extract 30+ data fields from any invoice with 99.6% accuracy. Complete technical reference for invoice field specifications, supported formats, and integration options.
30+
Extractable Fields
99.6%
Accuracy Rate
1-3s
Per Page
5+
Export Formats
What is Invoice Data Extraction?
Invoice data extraction is the automated process of identifying and capturing key information from invoices using AI and OCR technology. Instead of manually typing invoice details into spreadsheets or accounting software, intelligent systems like Zera Books extract 30+ fields—including vendor information, line items, totals, and tax amounts—in seconds with 99.6% accuracy.
This eliminates manual data entry, reduces errors by 95%, and accelerates accounts payable processing from days to hours. For accountants and bookkeepers handling hundreds of invoices monthly, automated extraction saves 20+ hours per week.
Why Zera Books for Invoice Extraction?
Unlike traditional invoice processing tools, Zera Books combines proprietary AI technology with unlimited processing at a flat monthly rate.
Unlimited for $79/month
Competitors charge $0.10-$0.50 per page. Process 1,000+ invoices monthly without worrying about per-page fees.
Save $100-$500/month vs per-page pricing
Proprietary Zera AI
Trained on millions of financial documents, our AI dynamically adapts to ANY invoice format—no templates needed.
Works with all vendors instantly
99.6% Extraction Accuracy
Higher accuracy than competitors. Intelligent validation catches errors before they reach your books.
Reduce data entry errors by 95%
All-in-One Platform
Not just invoice extraction—includes bank statement conversion, receipt processing, AI categorization, and client management.
Replace 3-4 separate tools
Zera OCR Technology
Advanced OCR handles scanned documents, photos, and low-quality PDFs that other tools can't process.
97-99% accuracy on scanned invoices
Save 20+ Hours Weekly
Proven time savings from real accounting firms. Eliminate manual data entry and focus on higher-value work.
1-3 seconds per invoice processed
Extractable Invoice Fields
Complete specification of all data fields extracted from invoices, including data types, accuracy rates, and extraction notes.
Header Information
4 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Invoice Number | Alphanumeric | 99.8% | INV-2025-001234 | Unique identifier; format varies by vendor | |
| Invoice Date | Date | 99.7% | 2025-01-15 | ISO 8601 format; handles MM/DD/YYYY, DD/MM/YYYY | |
| Due Date | Date | 99.5% | - | 2025-02-14 | Payment deadline; may be Net 30, Net 60 terms |
| PO Number | Alphanumeric | 98.9% | - | PO-78901 | Purchase order reference; not always present |
Vendor Information
5 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Vendor Name | Text | 99.6% | Acme Corporation | Company legal name | |
| Vendor Address | Address | 98.8% | - | 123 Business Ave, Suite 100 | Street, city, state, ZIP parsed separately |
| Vendor Tax ID | Alphanumeric | 99.2% | - | 12-3456789 | EIN/TIN for tax reporting |
| Vendor Phone | Phone | 97.5% | - | (555) 123-4567 | Contact number; format normalized |
| Vendor Email | 98.1% | - | billing@acme.com | Contact email address |
Customer Information
4 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Customer Name | Text | 99.4% | Your Company LLC | Bill-to company name | |
| Billing Address | Address | 98.6% | - | 456 Main Street | Invoice recipient address |
| Shipping Address | Address | 97.8% | - | 789 Warehouse Rd | Ship-to address if different |
| Customer Account | Alphanumeric | 99.1% | - | CUST-001 | Customer reference number |
Line Items
6 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Item Description | Text | 98.5% | Professional Services - January | Product/service description; may span lines | |
| Quantity | Numeric | 99.3% | 10 | Units, hours, or count | |
| Unit Price | Currency | 99.4% | $150.00 | Per-unit cost | |
| Line Total | Currency | 99.5% | $1,500.00 | Quantity × Unit Price | |
| Item Code/SKU | Alphanumeric | 97.8% | - | SVC-001 | Product code if present |
| Unit of Measure | Text | 96.2% | - | Hours | EA, Hrs, Units, Cases, etc. |
Financial Totals
6 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Subtotal | Currency | 99.6% | $4,500.00 | Sum of line item totals | |
| Tax Rate | Percentage | 98.7% | - | 8.25% | Sales tax percentage |
| Tax Amount | Currency | 99.4% | - | $371.25 | Calculated tax value |
| Discount | Currency/Percent | 97.9% | - | -$100.00 | Discount amount or percentage |
| Shipping/Freight | Currency | 98.2% | - | $25.00 | Shipping charges |
| Total Amount Due | Currency | 99.7% | $4,796.25 | Final invoice total |
Payment Information
4 fields| Field Name | Data Type | Accuracy | Required | Example | Notes |
|---|---|---|---|---|---|
| Payment Terms | Text | 98.4% | - | Net 30 | Payment terms code |
| Bank Account | Alphanumeric | 97.2% | - | ****1234 | ACH payment account (masked) |
| Routing Number | Numeric | 96.8% | - | 121000248 | Bank routing for ACH |
| Payment Reference | Alphanumeric | 98.0% | - | PAY-REF-001 | Reference for payment matching |
Supported Invoice Formats
Processing capabilities across different invoice document types and sources.
Digital PDF
99.6%Native PDF generated by accounting software
Common Sources:
QuickBooks, Xero, FreshBooks, Sage, Zoho
Scanned PDF
97-99%Paper invoices converted to PDF via scanner
Common Sources:
Flatbed scanners, MFP devices, Scan apps
Image Files
96-98%JPEG, PNG, TIFF image files of invoices
Common Sources:
Phone cameras, Document cameras, Screenshot tools
Multi-Page PDF
99.2%Invoices spanning multiple pages
Common Sources:
Detailed invoices, Statements, Work orders
Email-Embedded
99.4%Invoices received as email attachments
Common Sources:
Email clients, Invoice portals
Invoice Types & Structure Patterns
How different invoice types are structured and processed for optimal extraction.
Service Invoice
Professional services, consulting, hourly work
Typical Fields
Line Item Pattern
Description + Hours + Rate + AmountCommon Industries
Consulting, Legal, Accounting, IT Services
Focus on time-based billing; may have multiple projects
Product Invoice
Physical goods, merchandise, inventory items
Typical Fields
Line Item Pattern
SKU + Description + Qty + Price + TotalCommon Industries
Retail, Wholesale, Manufacturing, E-commerce
Handle unit of measure variations; multi-line descriptions
Progress Invoice
Partial billing for ongoing projects
Typical Fields
Line Item Pattern
Phase/Milestone + % Complete + AmountCommon Industries
Construction, Engineering, Architecture
Calculate remaining balance; track retainage separately
Recurring Invoice
Subscription or regular billing
Typical Fields
Line Item Pattern
Service + Period + RateCommon Industries
SaaS, Utilities, Memberships, Maintenance
Identify billing cycle; handle prorated amounts
Credit Memo
Negative invoice for returns, adjustments
Typical Fields
Line Item Pattern
Reference + Reason + Negative AmountCommon Industries
All industries
Link to original invoice; amounts should be negative
Expense Reimbursement
Employee expense claims and reimbursements
Typical Fields
Line Item Pattern
Category + Date + Vendor + AmountCommon Industries
All industries with travel/expenses
May include receipt images; categorization important
Extraction Accuracy Benchmarks
Field-by-field accuracy rates with confidence levels and validation methods.
| Field Element | Accuracy | Confidence | Validation Method |
|---|---|---|---|
| Invoice Number | 99.8% | Very High | Pattern matching + checksum |
| Invoice Date | 99.7% | Very High | Date format validation |
| Vendor Name | 99.6% | Very High | Header position + font weight |
| Total Amount | 99.7% | Very High | Keyword proximity + position |
| Subtotal | 99.6% | Very High | Line item sum verification |
| Tax Amount | 99.4% | High | Rate × subtotal verification |
| Line Item Description | 98.5% | High | Table structure analysis |
| Line Item Amount | 99.5% | Very High | Currency format + column position |
| Quantity | 99.3% | Very High | Numeric validation |
| Unit Price | 99.4% | Very High | Currency format validation |
| Vendor Address | 98.8% | High | Address pattern matching |
| Customer Name | 99.4% | Very High | Bill-to section detection |
| Due Date | 99.5% | Very High | Date + payment terms |
| PO Number | 98.9% | High | Alphanumeric pattern |
Export Format Specifications
Available output formats for extracted invoice data.
CSV
.csvComma-separated values for spreadsheet import
Excel
.xlsxMicrosoft Excel workbook with formatting
JSON
.jsonStructured data for API integration
QuickBooks IIF
.iifQuickBooks Desktop import format
Xero CSV
.csvXero-compatible CSV format
Frequently Asked Questions
Common questions about invoice data extraction.
What is invoice data extraction?
Invoice data extraction is the process of automatically identifying and capturing key information from invoices—such as vendor name, invoice number, line items, and totals—using AI and OCR technology. This eliminates manual data entry, reduces errors, and speeds up accounts payable processing by 80-90%.
What invoice fields can be extracted?
Zera Books extracts 30+ fields including: invoice number, date, due date, vendor information (name, address, tax ID), customer information, all line items (description, quantity, unit price, amount), subtotal, tax, discounts, shipping, and total amount due. Additional fields like PO numbers and payment terms are captured when present.
How accurate is automated invoice extraction?
Zera Books achieves 99.6% overall extraction accuracy on digital PDF invoices. Individual field accuracy ranges from 96.2% (unit of measure) to 99.8% (invoice number). Scanned documents achieve 97-99% accuracy depending on scan quality. All extractions include confidence scores for review.
Can you extract data from scanned or image invoices?
Yes. Zera Books uses advanced OCR (Optical Character Recognition) combined with AI to extract data from scanned PDFs and image files (JPEG, PNG, TIFF). For best results with scanned documents, use 300 DPI or higher resolution. Our OCR handles skewed, rotated, or low-contrast documents.
What invoice formats are supported?
Zera Books processes invoices from virtually any source: digital PDFs from accounting software (QuickBooks, Xero, Sage), scanned paper invoices, photos from mobile devices, and email attachments. We support single-page and multi-page invoices with any layout or language.
How do you handle invoices with multiple line items?
Our AI identifies table structures within invoices and extracts each line item separately with its description, quantity, unit price, and extended amount. Multi-page invoices are handled seamlessly, with line items continuing across pages. We support up to 1,000 line items per invoice.
What export formats are available?
Extracted invoice data can be exported to CSV, Excel (.xlsx), JSON, QuickBooks IIF, and Xero-compatible CSV. Each format includes all extracted fields and line items properly structured for the target system. Custom export templates are available for enterprise accounts.
How long does invoice extraction take?
Digital PDF invoices are processed in 1-3 seconds per page. Scanned documents take 3-6 seconds per page due to OCR processing. Multi-page invoices are processed in parallel. Batch processing of 100 invoices typically completes in under 5 minutes.
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Auto-categorize transactions for QuickBooks and Xero.
For CPAs & Accountants
Streamline invoice processing for accounting firms.
Pricing
Unlimited invoice extraction for $79/month.
Ready to Extract Invoice Data?
Stop manual data entry. Extract 30+ fields from any invoice with 99.6% accuracy in seconds.