A custom-built Shopify app that validates orders at checkout — address and phone format, PO-box and zone blocking, email/IP/country blocklists, and minimum-order enforcement — using Shopify's native Cart and Checkout Validation Function API. Built, installed and supported by ECOSIRE. One-time license from $99.00 USD for Shopify (build-to-order) — includes 12 months of updates and support.

A custom-built Shopify app that validates orders at checkout — address and phone format, PO-box and zone blocking, email/IP/country blocklists, and minimum-order enforcement — using Shopify's native Cart and Checkout Validation Function API. Built, installed and supported by ECOSIRE.
Keine Zahlung jetzt. Dies sendet eine Angebotsanfrage an unser Team – wir melden uns per E-Mail mit Preisen und nächsten Schritten.
Failed deliveries, fraud, and unprofitable orders almost always start with a bad order being accepted at checkout. Checkout Validation & Address Rules is a build-to-order Shopify app that stops those orders before they're paid for, using Shopify's native Cart and Checkout Validation Function API so your rules run inside Shopify Checkout itself — not as a fragile post-purchase email or a manual cancellation.
Address format validation per country (street, postal code, region) with shopper-facing error messages at checkout
Phone number format and length validation, with optional country-code normalization before the order is created
PO-box detection and blocking for carriers and product lines that can't ship to PO boxes
Delivery-zone blocking — reject specific postal codes, regions, or geographies you don't profitably serve
Blocklist enforcement by email address, IP, and shipping country, backed by editable tables in your admin
Minimum-order enforcement by subtotal, item quantity, or total cart weight, with per-collection overrides
ECOSIRE builds the app to your store's exact rules and installs it for you. We wire it into your checkout so it can reject the cart with a clear, custom error message the moment a shopper enters an address you can't profitably or reliably serve. Typical rules we implement: address and phone format validation (per-country patterns), PO-box and delivery-zone blocking, blocklists by email, IP and country, and minimum-order enforcement by subtotal, quantity or weight.
Because it's a Shopify Function running server-side, validation is fast, tamper-resistant, and applies on web, the Shop app, and accelerated checkouts. Where your logic needs live data — fraud-score lookups, third-party address verification, or your own allow/block tables — we back the Function with a hosted service and surface decisions through metafields and the Admin GraphQL API, with the merchant-facing settings exposed in your admin.
This is not an instant App Store download. It is a tailored app written, deployed via Shopify OAuth, and tested against your real checkout. You get the source, documentation, and a support window. Where Shopify's native validation is enough, we'll tell you — we only build what genuinely moves your delivery and fraud numbers.
Stores in markets with cash-on-delivery or high return-to-origin rates that need real address and phone validation to cut failed deliveries and wasted shipping spend before orders are created.
Teams tired of manually cancelling PO-box orders, out-of-zone shipments, and sub-threshold carts. They want rules enforced automatically at checkout instead of caught after the fact in the warehouse.
Merchants needing email/IP/country blocklists and minimum-order enforcement — for example wholesale stores requiring a minimum subtotal, or brands repeatedly hit by the same bad actors.
Kaufen Sie die Lizenz auf ecosire.com und laden Sie die ZIP-Datei des Checkout Validation & Address Rules-Moduls von Ihrem Konto-Dashboard herunter.
Extrahieren Sie die ZIP-Datei in Ihren Odoo-Ordner für benutzerdefinierte Add-ons auf dem Server (oder laden Sie sie über „Apps“ > „Aus Datei installieren“ auf Odoo.sh/Runbot hoch).
Aktivieren Sie den Entwicklermodus, öffnen Sie „Apps“, klicken Sie auf „Apps-Liste aktualisieren“, suchen Sie nach „Checkout Validation & Address Rules“ und klicken Sie auf „Installieren“.
Öffnen Sie das neue Menü, fügen Sie Ihren ECOSIRE-Lizenzschlüssel ein, verbinden Sie alle externen Anmeldeinformationen (Shopify, Amazon, Stripe usw.) und speichern Sie.
Führen Sie den integrierten Verbindungstest aus, synchronisieren Sie Ihre ersten 10 Datensätze und planen Sie den wiederkehrenden Cron. Wenden Sie sich an den Support, wenn etwas fehlschlägt.
| Kriterium | ECOSIRE | Benutzerdefinierter Build | Konkurrent | Odoo Native |
|---|---|---|---|---|
| Runs server-side inside Shopify Checkout (Validation Function API) | ||||
| Address & phone format validation with custom block messages | ||||
| PO-box and delivery-zone blocking | ||||
| Blocklist by email, IP and country | ||||
| Minimum-order enforcement (subtotal / quantity / weight) | ||||
| Tailored exactly to your store's rules | ||||
| Live fraud-score / third-party address verification integration | ||||
| Source code handover and ownership | ||||
| Instant self-serve install with no build time |
Most builds ship in roughly 1–3 weeks depending on rule complexity. A straightforward set (address/phone format, PO-box and zone blocking, a minimum-order rule) is on the faster end; adding a hosted service for live fraud scoring or third-party address verification extends the timeline. After a short scoping call we confirm an exact lead time before any work begins, then deploy via Shopify OAuth and test against your real checkout.
No. This is a build-to-order custom app. ECOSIRE writes it to your specific rules, installs it into your store over OAuth, and tests it against your live checkout. You are not buying a generic listing — you get a tailored app, its source code, and documentation. There is no public App Store link to install yourself.
Every build includes a defined post-launch support and bug-fix window. During that window we fix defects, adjust rule logic, and help you tune blocklists and thresholds against real traffic. Because you receive the full source code, your own developers can also maintain it. Longer-term retainers or change requests (new countries, new rule types, Shopify API version upgrades) are available as a follow-on engagement.
Yes. Because the rules run as a Shopify Cart and Checkout Validation Function — server-side inside Shopify's checkout — they apply consistently across web checkout, the Shop app, and accelerated checkouts, rather than relying on theme JavaScript that express-checkout flows would bypass.
Yes, where it's worth it. The Validation Function itself runs on data Shopify provides, but we can back it with a hosted service that calls a fraud-scoring or address-verification provider and feeds decisions in through metafields and the Admin GraphQL API. We'll advise honestly on whether that extra integration is justified for your order volume and risk profile before building it.
Yes. We expose your editable rules — blocklist entries, blocked zones, and minimum-order thresholds — through an admin settings interface and/or metafields so non-developers can update them without a redeploy. Structural changes (new rule types or new validation logic) are code changes we or your developers handle.
A custom-built Shopify app that validates orders at checkout — address and phone format, PO-box and zone blocking, email/IP/country blocklists, and minimum-order enforcement — using Shopify's native Cart and Checkout Validation Function API. Built, installed and supported by ECOSIRE.