Cross-border VAT determination for digital-services sellers (EU, UK, South Africa)

Overview

For an x402/API seller: given seller country, buyer country and B2B/B2C, returns the VAT treatment of a cross-border digital-services sale - place of supply, who accounts for the VAT (reverse charge / OSS / register), rate basis, registration threshold and reporting - each cited to the statute (EU VAT Directive, HMRC notices, SA VAT Act). Unknown wallet-only buyers are treated as B2C and flagged; combinations outside the verified ruleset are refused free, never guessed. Regulatory information with citations, not tax advice. x402 pay-per-call.

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