Welcome back, Funder

Manage your invoice registry integration

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Free Subscription Tier
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0 Monthly Checks Used
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0 Monthly Registers Used
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Active Account Status

Current Usage

Daily Checks 0 / 10
Daily Registers 0 / 2
Monthly Checks 0 / 100
Monthly Registers 0 / 10

Daily resets at: midnight UTC | Monthly resets at: 1st of next month

Quick Start

Check if invoice is funded 
curl -X POST /api/v1/invoices/check-raw \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "document_type": "INV",
    "document_id": "INV-2024-001",
    "supplier_tax_id": "123456789",
    "supplier_country": "DE",
    "buyer_tax_id": "987654321",
    "buyer_country": "AT",
    "amount": 10000.00,
    "currency": "EUR"
  }'

Invoice Management

Check and register invoices manually

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Enter data exactly as it appears on the invoice

Even a single character difference will produce a different hash and fail to match. See the Data Entry Rules for detailed formatting guidelines.

Check Invoice

Verify if an invoice is already funded

Exactly as printed, including hyphens and prefixes
Document type
Numbers only, no country prefix
ISO code
Numbers only, no country prefix
ISO code
Gross total with decimal point
ISO code
L0-L3 Checks party (L0), relationship (L1), document (L2), and full (L3) levels

Register Invoice

Register an invoice as funded

Exactly as printed, including hyphens and prefixes
Document type
Numbers only, no country prefix
ISO code
Numbers only, no country prefix
ISO code
Gross total with decimal point
ISO code
How long before registration auto-expires (default: 2 years)
L1-L3 Registers relationship (L1), document (L2), and optionally full (L3) levels

API Keys

Manage your API credentials

Current API Key

Use this key in the X-API-Key header

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Regenerating will invalidate your current key immediately.

OAuth 2.0 Credentials

For enterprise integrations using OAuth client credentials flow

Available at signup only

OAuth credentials are only shown during account creation. Contact support if you need new OAuth credentials.

Test API

Try out the API with sample requests

Check Invoice Status

Test the API with a sample invoice check

API Endpoints

Method Endpoint Description
Invoice Endpoints
POST /api/v1/invoices/check Check with pre-hashed data
POST /api/v1/invoices/check-raw Check with raw invoice data (L0-L3)
POST /api/v1/invoices/register Register with pre-hashed data
POST /api/v1/invoices/register-raw Register with raw invoice data
DELETE /api/v1/invoices/{hash} Unregister an invoice
Party Endpoints (L0)
POST /api/v1/party/check Check buyer/supplier existence
POST /api/v1/party/register Register a party
POST /api/v1/party/history Query party check history
Reference Data
GET /api/v1/document-types List available document types

Documentation

Learn how to integrate DocuRegister

Quick Start

Get up and running in minutes with our step-by-step guide.

View Guide

API Reference

Complete API documentation with examples.

View Docs

Go SDK

Official Go SDK for client-side hashing.

View SDK

Security

Learn about our privacy-preserving approach.

Learn More

Subscription

Manage your subscription and view usage

Current Plan

Free

Get started with basic invoice checking

$0/month

Available Plans

Usage Details

Daily Usage

Checks 0 / 10
Registers 0 / 2
Resets at Midnight UTC

Monthly Usage

Checks 0 / 100
Registers 0 / 10
Resets at 1st of next month

Features by Plan

Feature Free Basic Premium Enterprise
Daily Checks 10 100 500 Unlimited
Monthly Checks 100 1,000 10,000 Unlimited
Daily Registers 2 20 100 Unlimited
Monthly Registers 10 100 1,000 Unlimited
Email Notifications - Yes Yes Yes
Webhook Notifications - - Yes Yes
Priority Support - - - Yes
Price $0 $29/mo $99/mo Contact

Settings

Manage your account settings

Profile Information

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Funder Tracking

Allow tracking of your funding registrations for audit purposes.

Enable funder tracking

Danger Zone

Irreversible actions