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Free EU B2B VIES VAT Batch Validator & Reverse-Charge Checker

Instantly validate up to 20 EU & Northern Ireland (XI) VAT numbers at once. Automatically normalizes Greek GR → EL prefixes, checks country syntax compliance, and evaluates zero-rated intra-community Reverse-Charge readiness.

1. Paste Buyer VAT Numbers (Up to 20)

Enter one EU/XI VAT number per line or comma-separated (e.g., DE123456789, GR123456789, XI123456789, RO12345678).

2. Reverse-Charge Audit Results

Shows normalized prefix, syntax validity, cross-border zero-rating eligibility, and VIES archive readiness.

Run the validator on the left to inspect each buyer VAT identifier.
Raw Input Normalized Syntax Reverse-Charge
Awaiting batch check...

3. EU VIES HTTP-200 Circuit Breaker & Prefix Normalization Flow

How our validator handles Greek GR → EL ISO mappings, Northern Ireland XI Windsor Framework rules, and member-state MS_MAX_CONCURRENT_REQ / MS_UNAVAILABLE soft-failures without falsely taxing verified B2B buyers.

EU B2B VIES VAT Validation and HTTP-200 Soft-Failure Circuit Breaker Flowchart
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