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X-ROAD INSIGHTS · Police (PPA)
DEEN
Police (PPA) · Border & Schengen cluster · Dec 2025 – May 2026

About 451,000 border and Schengen queries per day — Estonia is an EU external border.

The Schengen border interface interlyys2 and the national Schengen Information System esis (alerts on persons and objects, entry bans, wanted notices) form this cluster. Estonia shares a long EU external border; border and administrative queries run directly over X-Road.

Requests / day
451k
24.6 % of all PPA calls
Services in the cluster
29
endpoints across several PPA subsystems
Avg. latency
725 ms
across all services

Top consumers

The largest users of this cluster with their use case. Click a row for details. Below: the subsystems and the full consumer list.

#TopicMemberClassAvg / day

Grouped subsystems

This cluster groups 3 PPA subsystems. Descriptions from RIHA; where no RIHA entry exists, inferred from the code (flagged).

SubsystemDescriptionAvg / day
interlyys2Schengen border interface (Schengen II data exchange at the border). (inferred)230,667
esisSchengen Information System (national register) — alerts on persons/objects, entry bans and wanted notices. (RIHA)220,183
sireneFurther/auxiliary PPA subsystem (low volume; label inferred). (inferred)192

All consumers

Complete list of all 4 organisations using border and Schengen services (interlyys2, esis) — sorted by requests per day.

#MemberClassTop serviceAvg / dayShare

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.