
BillingEngine
7.4#4 in electronic invoicing softwareFrom €6 a monthFree planWebAPI
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| Fact | BillingEngine | Holodeck B2B |
|---|---|---|
| Compliance | BillingEngine states that document archiving is GoBD-compliant and data protection follows GDPR requirements. | The maker says Holodeck B2B is AS4 compliant and lists e-SENS/CEF eDelivery, ENTSOG/ENTSOE, EESSI, and Superstream profile compliance. |
| Integrations | The pricing page lists DATEV data export and a REST API for customers, invoices and payments. | File-based backend integration is included; REST API integration is available as an extension, and custom backends such as Web Services and JMS can be built using the API. |
BillingEngine suits freelancers and small businesses that need e-invoicing, quotes, reminders, expense receipts, and accounting exports. Its free plan may suit a one-user operation with low monthly document volumes.
Holodeck B2B suits organizations that need an AS4 messaging gateway or a B2B messaging component for an eDelivery solution. It also offers interfaces for connecting the gateway to a business system.