# AddressPill Documentation

## Docs

- [FAQ & troubleshooting](https://docs.pillsoftware.com/faq/shopify-address-validation-faq.md): Get quick answers for AddressPill setup, checkout activation, post-checkout blocks, order tags, holds, automations, and common troubleshooting steps.
- [Automations](https://docs.pillsoftware.com/features/automations.md): Trigger immediate and follow-up Shopify Flow automations from AddressPill address issue events.
- [In-checkout validation](https://docs.pillsoftware.com/features/in-checkout-validation.md): Prevent invalid shipping addresses before checkout completion with house number checks, name checks, email typo checks, regex rules, and field limits.
- [Orders on hold](https://docs.pillsoftware.com/features/orders-on-hold.md): Pause fulfillment for unresolved address problems and optionally auto-release order holds after customer correction.
- [Packing stations / PO boxes](https://docs.pillsoftware.com/features/packing-stations-po-boxes.md): Detect and block PO boxes and packstations in checkout and post-checkout using custom keywords and field scanning.
- [Post-checkout validation](https://docs.pillsoftware.com/features/post-checkout-validation.md): Validate addresses after purchase on Thank You and Order Status pages with correction windows, normalization, and low-risk auto-fixes.
- [Tag orders](https://docs.pillsoftware.com/features/tag-orders.md): Apply Shopify order tags automatically for missing house numbers, unconfirmed addresses, spelling issues, and address format issues.
- [General walkthrough](https://docs.pillsoftware.com/get-started/addresspill-shopify-walkthrough.md): Learn the AddressPill dashboard, key metrics, quick actions, and settings so you can launch Shopify address validation with confidence.
- [In-checkout setup](https://docs.pillsoftware.com/get-started/in-checkout-address-validation-setup.md): Enable AddressPill in-checkout validation in app settings and Shopify Checkout rules to stop invalid shipping addresses before order placement.
- [Post-checkout setup](https://docs.pillsoftware.com/get-started/post-checkout-address-validation-setup.md): Set up post-checkout validation on Thank You and Order Status pages to detect and resolve shipping address issues after purchase.
- [Overview](https://docs.pillsoftware.com/index.md): Reduce failed deliveries with in-checkout and post-checkout address validation for Shopify. Set rules, block risky addresses, tag orders, and automate follow-up flows.
- [In-checkout settings](https://docs.pillsoftware.com/settings/in-checkout-validation-rules.md): Configure checkout rules for house numbers, duplicate names, special characters, email typos, regex patterns, and field limits in AddressPill.
- [Orders on hold](https://docs.pillsoftware.com/settings/orders-on-hold-for-address-issues.md): Control hold behavior for unresolved address issues, including hold triggers, auto-release, and hold reason values.
- [Packing stations / PO boxes](https://docs.pillsoftware.com/settings/packing-stations-po-boxes.md): Configure keyword detection and blocking behavior for packstations and PO boxes in checkout and post-checkout flows.
- [Post-checkout settings](https://docs.pillsoftware.com/settings/post-checkout-validation-rules.md): Set post-checkout normalization, correction windows, and low-risk auto-corrections for Shopify shipping addresses.
- [Automations](https://docs.pillsoftware.com/settings/shopify-flow-automations.md): Set up AddressPill automation events in Shopify Flow for immediate and delayed follow-up actions on address issues.
- [Tag orders](https://docs.pillsoftware.com/settings/tag-orders-by-address-issue.md): Set AddressPill order tags for different validation outcomes so operations teams can triage problem orders faster.

## OpenAPI Specs

- [openapi](https://docs.pillsoftware.com/api-reference/openapi.json)

## Optional

- [Get Started](https://pillsoftware.com/addresspill)
- [Shopify App](https://addresspill.pillsoftware.com)