All featuresThirteen things a customer can fix themselves.Address validationEvery address checked as the order lands.Order editingCustomers fix their own orders before it ships.UpsellsA free gift and Recommended for you on the thank you page.RemindersBring them back while the window is open.Order mergeCombine two paid orders before it ships.

OrderEditing.com Account Editor Triom Order Merger Mergify See all comparisons

All integrationsClaude, ChatGPT, Sidekick and what is coming next.SidekickAsk Shopify's assistant what Tacey recorded.ChatGPTAsk ChatGPT about your orders and address checks.ClaudeAsk Claude about your orders and address checks.

All toolsFree, no signup, and they run against public data.Address ValidatorPaste a shipping address. See whether it is deliverable, and what the correction would be.Address TypePO Box, freight forwarder, commercial or residential, and which carriers actually serve it.Agentic ReadinessThe 22 fields an AI shopping agent reads before it will recommend you, scored 0 to 100.App StackPaste any Shopify URL. See every app it runs, across reviews, email, loyalty and 14 more categories.Theme DetectorPaste a storefront. Find out which Shopify theme it runs, and which version.Store ActivityPaste a Shopify store URL. See its catalog size and how many products it added in the last 30, 90 and 365 days.Product LookupPaste a product name or URL. See who else sells it across Shopify, and at what price.

Pricing BlogResources

Help centerGuides for setting up and running Tacey.ChangelogWhat shipped, newest first.MCPConnect an assistant to your Tacey data.

Install on Shopify

Running a Shopify store, after the sale.

Addresses and delivery, order editing, post-purchase, and the operational parts of Shopify nobody writes down.

LATESTUsing Google Demand Gen to Drive Top-of-Funnel Traffic to ShopifyLearn how to use Google's Demand Gen campaigns to reach new audiences on YouTube, Discover, and Gmail, and drive top-of-funnel traffic to your Shopify store.

Tacey blog cover: the headline "Using Google Demand Gen to Drive Top-of-Funnel Traffic to Shopify" in white on a dark background

5 November 2026 · 12 min readRead it →

TOPICAll notes279 Shopify Operations71 Sales & Conversion46 Marketing & Growth42 Apps & Tools40 Customer Experience35 News & Updates45

ORDERNewest first Oldest first Shortest read

All notes279 notes

Tacey blog cover: the headline "How Agentic Commerce Changes Shopify Analytics and Reporting" in white on a dark background

News & UpdatesHow Agentic Commerce Changes Shopify Analytics and ReportingAs AI agents begin to handle online shopping, the standard Shopify analytics dashboard is becoming obsolete; merchants must now track new metrics to understand this growing sales channel.10 October 202612 min read

Tacey blog cover: the headline "A 2026 Guide to Shopify Customer Retention & Loyalty Programs" in white on a dark background

Marketing & GrowthA 2026 Guide to Shopify Customer Retention & Loyalty ProgramsA complete customer retention strategy for Shopify stores in 2026, covering lifecycle emails, loyalty programs, subscriptions, and post-purchase communication.10 October 202612 min read

Tacey blog cover: the headline "Splitting vs. Merging Orders in Shopify: A Fulfillment Workflow Guide" in white on a dark background, beside a panel showing Splitting versus Merging Orders in Shopify

Shopify OperationsSplitting vs. Merging Orders in Shopify: A Fulfillment Workflow GuideLearn when to split a single Shopify order into multiple shipments versus when to merge multiple orders into one to improve fulfillment efficiency.9 October 202612 min read

Tacey blog cover: the headline "Heads Up: Shopify Will Start Taxing Return Shipping Fees in the US (Oct 2026)" in white on a dark background

News & UpdatesHeads Up: Shopify Will Start Taxing Return Shipping Fees in the US (Oct 2026)Starting October 23, 2026, Shopify will automatically calculate sales tax on return shipping fees for US merchants using Shopify Tax, treating them like outbound shipping.9 October 202612 min read

Tacey blog cover: the headline "The Merchant's Guide to Shopify's New SubscriptionContractCalculation API" in white on a dark background

News & UpdatesThe Merchant's Guide to Shopify's New SubscriptionContractCalculation APIShopify's new SubscriptionContractCalculation API changes how subscription edits work, using the main checkout engine for more reliable calculations.8 October 202612 min read

Tacey blog cover: the headline "Beyond Email: A 2026 Guide to Shopify SMS Marketing Consent and Strategy" in white on a dark background

Marketing & GrowthBeyond Email: A 2026 Guide to Shopify SMS Marketing Consent and StrategyUnderstand Shopify's new smsMarketingConsent API field and learn the modern strategies for collecting consent and building trust through text messages.8 October 202612 min read

Tacey blog cover: the headline "The Psychology of Pricing on Shopify: 7 Strategies Beyond Just Slashing Prices" in white on a dark background

Sales & ConversionThe Psychology of Pricing on Shopify: 7 Strategies Beyond Just Slashing PricesExplore seven psychological pricing strategies for Shopify stores to increase conversions without simply reducing your margins.7 October 202612 min read

Tacey blog cover: the headline "How to Manage Shopify Returns & Exchanges Without Corrupting Inventory Data" in white on a dark background, beside the Tacey screen for changing a size or colour

Shopify OperationsHow to Manage Shopify Returns & Exchanges Without Corrupting Inventory DataLearn the precise workflow for managing Shopify returns and exchanges to ensure restocked items and refunds are processed without corrupting your inventory data.7 October 202612 min read

Tacey blog cover: the headline "When Should a Shopify Store Outsource Fulfillment to a 3PL?" in white on a dark background

Shopify OperationsWhen Should a Shopify Store Outsource Fulfillment to a 3PL?For growing Shopify stores, the question isn't if you'll need to outsource fulfillment, but when.6 October 202612 min read

Tacey blog cover: the headline "Shop.com: What Shopify's New Domain Means for Merchants and the Shop App" in white on a dark background

News & UpdatesShop.com: What Shopify's New Domain Means for Merchants and the Shop AppShopify has acquired Shop.com, shifting its consumer app's web presence from shop.app and signaling a major strategic focus on its consumer-facing marketplace.6 October 202611 min read

Tacey blog cover: the headline "The Hidden Costs of a 'Wrong Address' on Shopify: More Than Just Reshipping" in white on a dark background, beside the Tacey screen that checks a delivery address

Customer ExperienceThe Hidden Costs of a 'Wrong Address' on Shopify: More Than Just ReshippingA single wrong address costs more than just reshipping; it includes carrier fees, support time, lost product, and customer trust.4 October 202612 min read

Tacey blog cover: the headline "Shopify Order Merging Apps: A 2026 Pricing Comparison" in white on a dark background, beside the Tacey screen that merges two orders

Apps & ToolsShopify Order Merging Apps: A 2026 Pricing ComparisonA detailed pricing and feature comparison of the top Shopify apps for merging orders, helping you calculate the ROI of reducing shipping costs.4 October 202613 min read

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We publish when there is something worth reading, not on a schedule.

The product these notes are about.

Tacey checks every address as the order lands, lets your customer fix their own order before it ships, and writes down what changed and what it cost.

Install on Shopify See how it works

Tacey powers Shopify store owners, letting their customers fix their own orders on the Shopify thank you page. Address checks, edits, upsells, reminders and order merges, before anything ships.

Install on Shopify

ProductAll features Address validation Order editing Upsells Post-purchase offer Pre-Shipment Reminder Order merge Free tools

CompareOrderEditing.com Account Editor Triom Order Merger Mergify See all comparisons

IntegrationsAll integrations Sidekick ChatGPT Claude

CompanyAbout Pricing Contact Blog Partners

ResourcesHelp centre Changelog MCP

LegalPrivacy Policy Terms of Service DPA GDPR Subprocessors Trust Centre Cookie Policy Request your data

Every edit, offer and address check happens on the page Shopify already shows your customer. Nothing to install on your theme.

tacey.

Tacey is a Shopify app for order editing, address validation, a free gift and recommended products on the thank you and order status pages, and merging duplicate orders. Customers correct an address, swap a size, change a quantity, add a product, or cancel from the order page Shopify already sent them, inside the window you set. Merchants can combine two paid orders into one before it ships, with no second charge and no refund for its items. Every address is checked the moment the order lands, and every edit is written to a record with what it cost and who asked for it. Available on the Shopify App Store.

© 2026 ONDUTYOPS LLC. All rights reserved.Tacey is a product of ONDUTYOPS LLC, a Delaware limited liability company. Coastal Highway, Lewes, Delaware 19958, United States.hello@taceysupport.appShopify is a trademark of Shopify Inc. Tacey is an independent application listed on the Shopify App Store and is not affiliated with, endorsed by, or sponsored by Shopify Inc. Google and Google Maps Platform are trademarks of Google LLC. Cloudflare is a trademark of Cloudflare, Inc. All other trademarks are the property of their respective owners.