Billit suits freelancers, self-employed people, non-profits, and businesses that need invoicing, payment tracking, and accountant document sharing.
Free plan Free trial From €6.90 a month, billed yearly AndroidiPhone & iPadWebAPI
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Best Electronic Invoicing Software 2026
For businesses exchanging invoice data, format support and validation can be as important as creating the invoice itself. Billit, Unimaze, and Peppox are among the electronic invoicing options here. Compared on Peppol access, structured formats, and tax validation, the entries offer criteria for assessing how invoices may be prepared and processed. API access and deployment are also worth checking against the systems and setup you use. Invoice limits can help you consider capacity, while free-plan availability and paid-from pricing provide cost context. Weigh these details against your invoicing requirements, including the formats you need to exchange and the validation or integration capabilities that matter to your workflow.
02
PeppolSoft
PeppolSoft is for organizations that need to exchange electronic invoices through DBNA or OpenPeppol.
AndroidiPhone & iPadWeb+1 Record5.7 Visit
03
B2Brouter
B2Brouter identifies companies, software developers, tax advisors and freelancers as audiences.
WebAPI Record5.3 Visit
04
Tradeshift
Tradeshift suits large and mid-sized companies seeking accounts payable or purchasing automation for buyers and suppliers.
WebAPI Record5.2 Visit
05
Peppox
It suits developers, integrators, and companies that need Peppol invoicing through an API or dashboard.
AndroidiPhone & iPadWeb+1 Record5.1 Visit
6
BillingEngine
WebAPI €6 a month, billed yearly Record5.0 Visit BillingEngine suits freelancers and small businesses that need invoicing, accounting, e-invoices, and receipt recognition.
10
Unifiedpost Banqup
AndroidiPhone & iPadWeb+1 €2,000 a month Record4.7 Visit It is aimed at businesses needing cloud invoicing, payment collection and document delivery.
11
Basware
AndroidiPhone & iPadWeb+3 — Record4.6 Visit Basware is aimed at large, globally operating organizations with substantial invoice volumes, finance shared service centers and multi-ERP environments.
12
Domibus
LinuxAPISelf-hosted Free plan Record4.5 Visit Domibus suits government entities, private businesses, and software or service providers that need to exchange documents and data through eDelivery.
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ONESOURCE Pagero
WebAPI Free plan Record4.3 Visit ONESOURCE Pagero is presented for organizations of any size, including businesses working across countries with B2B and B2G trading partners.
14
Unimaze
AndroidiPhone & iPadWeb+1 — Record4.2 Visit Unimaze is aimed at businesses and public entities that send or receive electronic documents and want to automate invoice workflows.
15
Arratech Peppol-as-a-Service
WebAPI — Record4.0 Visit It is aimed at enterprises, software providers, service providers, and public-sector or tax authorities integrating Peppol document exchange.
16
SmartBill
AndroidiPhone & iPadWeb+2 11,000 KRW a month Record4.0 Visit SmartBill suits businesses that issue electronic tax invoices and need mobile access or API-based invoice handling.
21
ecosio
WebAPI — Record3.7 Visit It is designed for organizations operating across multiple countries, ERP systems, and compliance frameworks.
25
Vertex e-Invoicing
WebAPI — Record3.7 Visit Vertex says the service is designed for organisations managing VAT and e-invoicing compliance across multiple countries and business units.
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