SafeShip: Address Validator

Address validation at checkout to prevent delivery failures

by Checkout Plus · Launched: July 2023 · Free plan available.

1.0 (1) on Shopify

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SafeShip helps Shopify Plus stores save money by preventing failed deliveries. Improve delivery rates with address validation at checkout, or block PO boxes.

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About SafeShip: Address Validator

SafeShip helps you save money by preventing delivery failures from customers entering an invalid shipping address. With the app, you can easily add address validation or PO box blocking to your checkout in a few clicks. The app works in the checkout page, so there's no need to have the customer update their shipping address after the order is placed. Install the app to block po boxes or validate addresses on your store today!

Last verified: September 15, 2026 · Fresh

App details

Developer: Checkout Plus
Category: Orders & shipping
Pricing: Free plan available
Launched: July 2023
Rating: 1.0 (1) on Shopify

Key features

**Shopify Plus required**
Free to test in the checkout editor
Free for shops on a development plan
Address validator
PO box blocker

Integrations with:

Checkout

3 plans · starts free

Development

Free

Starter

$10/month

Pro

$60/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 1 Shopify App Store reviews

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What a pile of trash, and I had to pay $10 to find out because the Free version is vaporware and only gives you a silly checkout editor simulation. Actual checkout is broken. Often messages boxes are hidden under other elements. It seems to block checkout by removing shipping methods, however, Checkout Extensibility keeps trying to add them back in, so you just see shipping rates calculated over a...

— Staging Shoe Palace

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