OngoingAI

PO Validator B2B usage & market intelligence

Pricing
Free plan available
FreeFree
  • • Required PO field enforced at checkout
  • • Built-in errors in EN, DE, FR, and ES
Starter$4.99/month

7-day free trial

  • • Everything in Free
  • • Minimum and maximum length validation
  • • Required prefix rule (e.g. "PO-")
  • • Regex patterns for ERP and SAP formats
Pro$9.99/month

7-day free trial

  • • Everything in Starter
  • • Character rules: whitelist, no spaces
  • • Custom error messages per language
  • • 24/7 email support
  • • Personal onboarding session
What does PO Validator B2B do?

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

  • Server-side checkout validation that buyers cannot skip or bypass
  • Flexible rules: length limits, required prefix, and regex for ERP formats
  • Character rules: whitelist allowed characters and block unwanted spaces
  • Regex rules: validate PO formats against ERP and SAP number patterns
  • Supports EN, DE, FR, and ES error messages out of the box

Features

Checkout - Other
Review history
Daily review count on the Shopify App Store
0±0 · 29d· Rating steady at 0.0★
Aug 17Sep 14

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Catalog position
Within Checkout - Other on the App Store
Rank by reviews
#167 of 242
Review percentile
31th
Rating percentile
58th
On the App Store
0.3 yrs
Works with
Integrations listed for PO Validator B2B
Checkout
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Frequently asked questions

Require valid PO numbers at Shopify checkout. Server-side validation via Shopify Functions. Built for B2B merchants in wholesale, industry, and ERP stores. It's a checkout - other tool for ecommerce stores.