Reachable 
Grynn GmbH
Participants served
7
<0.01% of the network · counted, not estimated
Countries served
3
across all 7 of their participants
Uptime
100.0%
over 6 hourly checks
Where their participants are
Every participant they publish, split by the national agency each one registered with.
-
Switzerland 67%
-
Austria 17%
-
Sweden 17%
Infrastructure
The publisher itself, and the access points it routes documents to. Access points are read from its published metadata; we do not contact them.
- Service Metadata Publisher
- smp.tapr.ch
- Peppol id
- POP001025
- Registered in
- Eswatini
- Last response
- 409 ms
- TLS
- TLSv1.3 · Let's Encrypt
- Certificate valid to
- 19 November 2026
- Access point
- Grynn GmbH · https://as4.tapr.ch/as4
Reaching them is not the hard part
Invopop builds each document to its destination country's rules, signs it, and routes it over Peppol, whichever provider is on the other end.