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 · 11d· Rating steady at 0.0
Aug 10Aug 20

Daily tracking from Aug 10, 2026 through today · 10 days observed

Catalog position
Within Checkout - Other on the App Store
Rank by reviews
#161 of 230
Review percentile
30th
Rating percentile
60th
On the App Store
0.2 yrs
Works with
Integrations listed for PO Validator B2B
Checkout
Apps similar to PO Validator B2B
The App Store's own "more apps like this" for PO Validator B2B

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.