Tikkivo Catalog Sync guide

Supplier Stock Updates in Shopify: A Safety Checklist

A successful fetch does not prove that stock was updated correctly. Check the source, product match, quantity meaning and destination location before approving or scheduling supplier updates.

By Tikkivo / Lithuanian Masters · Updated 20 October 2026

1. Define whose stock the source represents

Supplier availability is not necessarily the same as the physical stock in your warehouse. Decide which source is authoritative for each mapped field and review Tikkivo’s source inventory ownership setting. Avoid letting two unrelated feeds overwrite the same stock value without a deliberate ownership policy.

Document whether your team also makes manual adjustments or receives stock through another system. A supplier import should have a clear role in that workflow rather than silently competing with it.

2. Confirm the variant match and one location

Check the selected matching key, duplicate identifiers and variants with similar names. A quantity assigned to the wrong variant can look plausible while being wrong. Test the exact SKU in Shopify, not just the product title.

Tikkivo’s listed workflow updates available stock at a selected location. Confirm that location before approving the run. Do not interpret a supplier import as automatic reconciliation across all warehouses, marketplaces or stores.

3. Distinguish zero, blank and missing

Include explicit test cases for zero stock, an empty quantity, an omitted SKU and a normal positive quantity. These represent different situations. Inspect the preview to understand how your actual mapping handles each one rather than assuming missing data means out of stock.

Watch for unexpected jumps or a supplier export that suddenly becomes much smaller. Automatic change limits are controls to configure and verify, not a guarantee that every bad source file will be rejected.

4. Review buffers and supplier versions

Stock buffers and supplier version values can affect calculated or accepted availability. Confirm the relevant settings and compare a few sample results with what you expect to receive in Shopify. A buffer may reduce exposure to stale availability, but cannot guarantee stock will remain available at checkout.

5. Separate manual approval from scheduled runs

Preview and approval apply to the manual workflow described here. Do not assume every scheduled import pauses for a person to approve it. Establish a verified mapping and appropriate automatic controls before enabling remote schedules.

Scheduled stock updates are not real-time synchronization. Choose a workflow whose timing matches your business risk, taking into account the supplier’s refresh interval and possible source or Shopify failures.

6. Verify what actually changed

After applying a sample, open the affected products and variants in Shopify. Compare the chosen location’s available stock and any mapped price or product fields. Download the operation report so that a completed status can be checked against actual outcomes.

For a partial or unverified run, identify successful, failed and uncertain changes before taking another action. Do not blindly retry. Contact support with a non-sensitive job ID, status and error code; never include passwords, tokens, customer data or private supplier feed URLs.

Where Tikkivo fits, and where it does not

Catalog Sync is designed for supplier catalog imports and controlled product, price and stock updates. If you need real-time marketplace synchronization, manufacturing planning or warehouse reconciliation, evaluate those requirements separately. This checklist is not a claim that Tikkivo provides those systems.

Continue with the file import walkthrough or the published Google Sheets workflow for source-specific setup.

Try the workflow with Catalog Sync

Start with a small sample and verify the result in Shopify. Review supported sources, current pricing and limitations before installing.

Written by the app publisher. No independent endorsement or guaranteed stock outcome is implied.