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X-ROAD INSIGHTS · EMTA
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EMTA · VAT cluster · Dec 2025 – May 2026

About 333,000 VAT calls per day — VAT return and EU VAT services.

VAT declaration (kmd) and EU VAT services (OSS, VIES, CESOP). The largest consumer is the e-invoicing platform Fitek, which checks the VAT-ID in real time per invoice.

Requests / day
333k
27.3 % of all PPA calls
Services in the cluster
24
endpoints across several EMTA subsystems
Avg. latency
265 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 4 PPA subsystems. Descriptions from RIHA; where no RIHA entry exists, inferred from the code (flagged).

SubsystemDescriptionAvg / day
kmdVAT declaration (Käibedeklaratsioon, KMD). (RIHA)324,770
ossVAT One-Stop-Shop (OSS) for EU distance sales. (inferred)7,869
viesEU VAT information exchange (VIES). (inferred)400
CESOPPayment-service-provider reporting (CESOP). (inferred)289

All consumers

Complete list of all 21 organisations using EMTA VAT services — 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.