Post · Notifications & contacts cluster · Dec 2025 – May 2026

About 234,000 notification calls per day — push, contacts, permissions.

The central notification engine (notifications), contact management (contacts) and permissions (rights). Notably, notifications succeeds only about 68 % — many push attempts fail because no recipient contact is on file (expected failures).

Requests / day

234k

65.2 % of all Postkast calls

Services in the cluster

Endpunkte im Postkast-Subsystem

Avg. latency

276 ms

across all services

Top consumers

The largest users of this cluster with their use case. Click a row for details. The full consumer list is below.

#	Topic	Member	Class	Avg / day

All consumers

Complete list of all 2 organisations using the notification/contact service — sorted by requests per day.

#	Member	Class	Top service	Avg / day	Share

The service family

Service endpoints of the cluster (avg/day). Meaning of individual services inferred from names.

Daily load — when is the cluster used?

24-hour distribution across an average day.

Low

High

Key facts

The three findings from the dataset that stand out most for this cluster.