StoreCensus
King Checkout Validation icon

King Checkout Validation

Unclaimed Listing
Managed by StoreCensus • Not verified
Block checkout with address, phone, order limit validation, and more Use checkout and address validation to check shipping/billing addresses, block PO boxes, require house or apartment numbers, and validate postcode/ZIP, email, and VAT/tax ID. Run phone validation at checkout. Build custom validation rules with keywords, regex validation, field validation, cart amount, quantity, weight, products, customer tags, B2B status, country, and shipping-zone conditions. Shoppers see localized errors so they can fix issues and continue checkout. Use checkout and address validation to check shipping/billing addresses, block PO boxes, require house or apartment numbers, and validate postcode/ZIP, email, and VAT/tax ID. Run phone validation at checkout. Build custom validation rules with keywords, regex validation, field validation, cart amount, quantity, weight, products, customer tags, B2B status, country, and shipping-zone conditions. Shoppers see localized errors so they can fix issues and continue checkout. more Run checkout and address validation for shipping and billing addresses Use PO box validation and detect missing house/apartment numbers Checkout email validation, postcode/ZIP, VAT/tax ID, and phone Create order limits by amount, quantity, weight, product, customer, or country Use keyword, regex validation, field validation, and localized errors
4.9
12 reviews
Unverified Listing
Listing managed by: StoreCensus (not the developer)
Information last verified: Never

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Why Choose King Checkout Validation?

Reduce Support Tickets

Automate customer communications and reduce WISMO inquiries by up to 40%

Branded Experience

Create fully customized tracking pages that match your brand identity

24/7 Support

Get help whenever you need it with round-the-clock customer support

Pricing Plans

Free

Free

Free of charge for development store, Creating rules in test status

Get Started Free

Basic

$4.99 / month

Live chat, email support, Missing house number, apartment, suite, Missing VAT number Checker, Prevent Post office (PO) Boxes

Choose Plan

Premium

$9.99 / month

All from "BASIC", Non-Latin Detect, Field length Rule, Matching keywords Rule, Regex Express Rule, Customized Combination Validation Rule

Choose Plan

Key Features

  • Advanced customer capabilities
  • Advanced email capabilities

Customer Reviews

4.9
12 reviews
Anonymous
2026-06-15

Excellent product and excellent support. Many of our customers use freight-forwarding service and will forget to enter their Suite numbers in shipping addres causing the orders to fail, be sent back. Result is no sale and loss of initial shipping charge. No longer have this problem thats to King checkout

Anonymous
2026-05-10

Support was responsive and quickly implemented support for validating a new early access Shopify field to collect a required ID number in certain countries. Really appreciate the fast turnaround.

Anonymous
2026-05-07

Exactly what we we're looking for, since we can't use the checkout blocks as we're not on Shopify Plus.

Anonymous
2026-05-07

App funktioniert wunderbar, der Support ist schnell und zielführend, haben 2 Funktionen angefragt, die innerhalb kürzester Zeit einprogrammiert wurden (Rules für billing address, war vorher nur für shipping verfügbar).

Anonymous
2026-04-23

Great support and service. Gordon is a major help!

Frequently Asked Questions

Shopify App Installs

No install data available

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King Checkout Validation Market Intelligence

Active Installs

3

Market Penetration

0.0%

of 4,786,323 active stores