Monthly visits
Not availableData as of Oct 24, 2026R
Local E-invoicing & Signatures
Rechnungs-Postfach
Receive German e-invoices, validate them, and archive the originals
Rrechnungs-postfach.deNo site preview yet
What it does
- Have suppliers send e-invoices to your dedicated address or forward them from your existing inbox.
- The tool renders XRechnung and ZUGFeRD files, validates them against EN 16931, and archives originals with their arrival times.
Made for
Who is it for?
For small businesses and bookkeepers receiving and archiving German e-invoices.
Top alternatives
Compare features, prices, and free plans
| Tool | Price | What's free | Best for |
|---|---|---|---|
| RRechnungs-Postfach | Free | The service is currently free with no payment details required; reading and validation need no account. | Receive German e-invoices, validate them, and archive the originals |
| IInvoicemonk | From $15/mo | The free plan includes 3 invoices per month, unlimited clients, 1 user, and 1 currency account. | Create invoices with jurisdiction-specific fields and audit records |
| KKelyseo | From $21.27/mo | Try it free for 30 days; the plan costs EUR 19/month with no annual commitment. | Create French invoices and quotes, then follow up on late payments |
| BBillingo | Check site for pricing | Free access includes unlimited invoicing, accountant access, and NAV sync; subscriptions start at HUF 1 290 with no billing period shown. | Issue invoices and receipts with Hungarian NAV reporting |
Prices and free limits can change. Check the official site for the latest details.
The business behind the tool
What should you build next?
See what tools earn, how crowded the market is, and how long a solo build might take. Get a build, wait, or skip verdict, with lessons from successes and failures.
These are sample assessments, not final recommendations. We don't guess at missing revenue, traffic, or build times.
Monthly recurring revenue (USD)
Not availableData as of Oct 24, 2026Launched
Not availableData as of Oct 24, 2026Founders
Not availableData as of Oct 24, 2026Worth building? Look at the evidence
Higher is better (out of 5)Demand
Not available
Revenue evidence
Not available
Room to compete
Not available
Edge over free options
Not available
Can you build it solo? Estimate
Preliminary assessment: Invoice parsing and validation can use existing format standards, but long-term immutable archiving and receipt records require reliable storage design.
3/5
Finding customers Estimate
Preliminary assessment: XRechnung viewing, ZUGFeRD validation, and an electronic invoice inbox are all clear local demand keywords.
5/5
Willingness to pay Estimate
Preliminary assessment: Receiving and archiving electronic invoices are ongoing business needs, providing a motive to pay for a stable service.
4/5
Higher scores mean better prospects. These are sample assessments, not investment advice.