Toss Bryan Custom Shopify Apps

The challenge

Two very different problems were costing the business money. Tracking code can be silently removed during theme or app changes, and nobody notices until reporting and bidding are already broken. Separately, delivery pricing varies by product, and applying those delivery tags by hand across thousands of Shopify products was slow, error-prone, and effectively undoable at scale.

Our approach

For tracking, we built a monitoring app that checks the live site daily for the GTM container, GA4, Google Ads tags, and the dataLayer, records each check with a timestamp, and emails the website admin immediately if anything is missing so it can be re-added before data is lost. For delivery, we built an internal app where the team uploads Excel files, previews exactly what will change, and then applies product-level delivery tags to Shopify through the API. It handles duplicate rows, multiple matches, and title similarity matching, then writes tags in bulk. Data Feed Watch reads those tags, sets delivery rules at the feed level, and pushes them to Merchant Center so shopping ads carry the right delivery terms per product.

The outcome

Tracking is now self-policing rather than something someone has to remember to check, and delivery rules that used to be a multi-day manual job now take a spreadsheet upload and a few minutes. Feeds, Merchant Center, and shopping ads stay in sync with real delivery pricing.