Knowledge Base
Guides for Invoiceum — accounts, wallets, invoices, Statement, clients, and more. Invoiceum is non-custodial: payments go directly to wallets you control.
Getting started
Create an account, verify your email, and find your way around Invoiceum.
Profile and settings
Company details, invoice numbering, 2FA, required Bill To fields, and account deletion.
Wallets
Business and personal wallets, exchange deposit addresses, and hiding personal wallets from invoices.
Outgoing invoices
Create invoices, drafts, tax and VAT, fiat billing, PDF, duplicate, and payment status.
Digital payment links
Share a payment page, collect client details, show a QR code, and match a transaction hash.
Incoming invoices
Request invoices, permanent portals, import PDF/JPEG, and save shared invoices.
Clients and counterparties
Contacts, associated wallets, uniqueness rules, and Free vs Paid wallet limits.
Statement
Sync wallet history, filters, internal transfers, fiat amounts, comments, and PDF export.
Downloads and verification
Download center, statement PDFs, invoice ZIP archives, and public document verification.
Wallet ownership certificates
Prove control of a wallet with a signed challenge and downloadable PDF certificate.
Plans, limits, and FAQ
Free vs Paid limits, common restrictions, and answers to frequent support questions.
Need something else? Contact Support · How to create a crypto invoice · Changelog