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PO Validator B2B logo

PO Validator B2B

Free plan

Require valid PO numbers at Shopify checkout. Server-side validation via Shopify Functions. Built for B2B merchants in wholesale, industry, and ERP stores.

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| Launched Jun 2026
PO Validator: valid PO numbers required at B2B checkoutPO Validator admin: set required field, length & prefixPO Validator admin: regex, character & error message rulesPO Validator checkout error for invalid PO number formatPO Validator: valid PO numbers required at B2B checkoutPO Validator admin: set required field, length & prefix

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