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Forum verdict · build
A Shopify Carrier Service API middleware that exposes merchant VAT ID and tax registration details to third-party shipping calculators, enabling compliant B2B shipping rates and tax-exempt handling for EU businesses.
Built for EU-based B2B/B2C Shopify store operators (especially Germany/industrial sectors) using carrier-calculated shipping who need VAT ID-based rate differentiation and tax compliance in cross-border logistics..
The receipts — real demand
“Store URL Store description We operate a German Shopify store specializing in industrial sandblasting and compressed air equipment. We sell to both B2C and B2B customers across Germany and the European Union. Our stor…”
6.5 / 10 · demand score
Pain 7
Willingness to pay 4
Specificity 8
Audience 6
Competition 1
Why this is a gap
Surfaced from a high-intensity complaint with clear willingness to pay and a specific, reachable audience.