SASO

King Checkout Validation

by Lightcone✓ Built for ShopifyOrder limit · #10 in category
Tracking since Dec 3, 2025

Listing content

Currently live on the App Store

Name

King Checkout Validation

Subtitle

Block checkout with address validation and order limits

Introduction

Block checkout with address validation, order limits and custom checkout rules.

Details

Use checkout validation to check shipping and billing address fields before orders are placed. Block PO boxes, require house or apartment numbers, and check postcode/ZIP, email and VAT/tax ID formats. Match phone country codes to address countries. Set order limits by cart amount, quantity or weight, with conditions for products, customer tags and countries. Use keyword, regex and field-length checks. Show localized error messages so shoppers can fix issues and continue checkout.

Pricing

5 plans
freeFree
  • Free for development stores
  • Create and test validation rules
monthly$4.99/mo
7-day free trial
  • Live chat and email support
  • Require house, apartment or suite number
  • Require VAT numbers
  • Block PO box addresses
monthly$9.99/mo
7-day free trial
  • All Basic features
  • Detect non-Latin characters
  • Set checkout field length limits
  • Match keywords in checkout fields
  • Build regular expression rules
  • Combine cart and customer conditions
yearly$49.90/yr
7-day free trial
  • Live chat and email support
  • Require house, apartment or suite number
  • Require VAT numbers
  • Block PO box addresses
yearly$99.90/yr
7-day free trial
  • All Basic features
  • Detect non-Latin characters
  • Set checkout field length limits
  • Match keywords in checkout fields
  • Build regular expression rules
  • Combine cart and customer conditions

Media

8 assets
Set a minimum order amount with localized checkout errorsDescribe a checkout rule and review the AI-generated draftCombine product and country conditions to block checkoutCheckout validation rules with clear errors for shoppersBlock disposable emails with custom domain controlsCheck house numbers, PO boxes and postal code formatsValidate country-specific tax and ID field formatsCheckout validation rules with clear errors for shoppers

Developer

Lightcone5.0 ★ across all apps3 apps published