VIES Uptime Monitor
Real-time reliability data for EU VAT (VIES) and UK VAT (HMRC) validation services, measured from production traffic through Vatly.
Updated just now
Over the last 30 days, VIES and HMRC have maintained an average uptime of 92.6% across all member states, with an average response time of 1266ms and a P95 of 6621ms.
Lithuania has been the most reliable at 100% uptime, while Slovenia has experienced the most issues at 42.9% uptime.
Uptime
92.6%
Avg Response
1266ms
P95 Response
6621ms
Error Rate
7.4%
Avg Retries
4.8
Per-country breakdown
Reliability metrics for each EU member state (VIES) and the United Kingdom (HMRC).
Avg Response
123ms
Error Rate
57.1%
Avg Response
122ms
Error Rate
26.7%
Avg Response
240ms
Error Rate
25%
Avg Response
1008ms
Error Rate
20.5%
Avg Response
714ms
Error Rate
20%
Avg Response
249ms
Error Rate
16.9%
Avg Response
142ms
Error Rate
12.5%
Avg Response
1764ms
Error Rate
12.1%
Avg Response
703ms
Error Rate
9.5%
Avg Response
280ms
Error Rate
8.9%
Avg Response
111ms
Error Rate
3.1%
Avg Response
471ms
Error Rate
0%
Avg Response
530ms
Error Rate
0%
Avg Response
314ms
Error Rate
0%
Avg Response
685ms
Error Rate
0%
Avg Response
181ms
Error Rate
0%
Avg Response
476ms
Error Rate
0%
Avg Response
1379ms
Error Rate
0%
Avg Response
860ms
Error Rate
0%
Avg Response
1108ms
Error Rate
0%
Avg Response
1592ms
Error Rate
0%
Avg Response
194ms
Error Rate
0%
Avg Response
1075ms
Error Rate
0%
Avg Response
8175ms
Error Rate
0%
Avg Response
370ms
Error Rate
0%
Avg Response
1741ms
Error Rate
0%
Avg Response
1901ms
Error Rate
0%
Avg Response
418ms
Error Rate
0%
Avg Response
1019ms
Error Rate
0%
Avg Response
127ms
Error Rate
0%
Response times by country
Average upstream response time in milliseconds.
Error distribution
Most common upstream error types across all countries.
Frequently asked questions
VIES availability varies significantly by member state. Some countries like Germany and the Netherlands maintain near-perfect uptime, while others experience regular outages due to rate limiting, maintenance windows, or infrastructure issues. This page shows real data from our production traffic so you can see the current state.
Each EU member state operates its own national VAT database. VIES acts as a gateway, routing your request to the relevant national system. Response times depend on each country's infrastructure. Some member states impose rate limits (MS_MAX_CONCURRENT_REQ) that cause additional delays. Vatly mitigates this with automatic retries and caching.
When a member state is unavailable, Vatly returns cached results from the last 25 days (with meta.cached: true) so your application stays functional. If no cached data exists, you receive a clear 503 error with a machine-readable error code. Vatly never silently fails or returns incorrect data.
Vatly uses a multi-layer reliability strategy: automatic retries with jittered backoff, 25-day response caching, per-country circuit breakers, and transparent error reporting. Your integration stays up even when individual member states go down.
This page refreshes every 5 minutes with data from real production traffic through Vatly. The 'recent status' indicator reflects the last 15 minutes of activity. All metrics are calculated from actual upstream calls to VIES and HMRC.
VIES (VAT Information Exchange System) validates VAT numbers for all 27 EU member states plus Northern Ireland. HMRC validates UK VAT numbers separately since Brexit. Vatly provides a single endpoint that automatically routes to the correct service based on the VAT number prefix, so you don't need to integrate both services.