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EU VAT Check

The EU VAT Check addon validates European VAT numbers through the European Commission's VIES service. It helps verify customer tax information before invoicing.

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VIES does not require an API key. Availability and returned company details depend on the tax authority of the relevant member state.

Configuration​

Go to Settings > Billing > EU VAT Check and configure:

  • Enable VIES validation: activates VAT-number checks;
  • HTTP timeout: maximum duration of a VIES request;
  • Positive check validity: number of days a successful result remains cached;
  • Requester VAT number: optional VAT number sent with the validation request.

Save the settings, then click Test VIES.

EU VAT Check settings

A short timeout prevents checkout from waiting too long during a VIES outage. Caching successful checks also limits repeated requests, but you should choose a validity period compatible with your compliance process.

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A successful VIES response confirms the status returned by the service at that time. Keep any evidence required by your accounting or tax procedures.