Help CenterTroubleshooting / Amazon APIs

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Partner Tag Error: Missing or Invalid Tag

Troubleshooting / Amazon APIs

Products load inconsistently or attribution appears broken by country.

Where to Check in PassiveWP

WordPress Admin -> PassiveWP -> Settings -> Amazon

Step-by-Step Fix Walkthrough

Fix Step 1: Set partner tags for each active marketplace.

Where to click WordPress Admin→PassiveWP→Settings→Amazon

What to do In WordPress Admin→PassiveWP→Settings→Amazon, set "Default Country" and "Default Partner Tag", then confirm each marketplace row has the correct partner tag.

How to verify No blocking error banner appears, and the next step is available.

Fix Step 2: Verify tag spelling and status in Amazon account.

Where to click WordPress Admin→PassiveWP→Settings→Amazon

What to do In WordPress Admin→PassiveWP→Settings→Amazon, do this in order: open the relevant panel, find the control related to "Verify tag spelling and status in Amazon account.", apply one change, click Save/Run, then reload once to confirm it stuck.

How to verify No blocking error banner appears, and the next step is available.

Fix Step 3: Set a global default tag for fallback behavior.

Where to click WordPress Admin→PassiveWP→Settings→Amazon

What to do In WordPress Admin→PassiveWP→Settings→Amazon, do this in order: open the relevant panel, find the control related to "Set a global default tag for fallback behavior.", apply one change, click Save/Run, then reload once to confirm it stuck.

How to verify No blocking error banner appears, and the next step is available.

Fix Step 4: Retest across your top countries.

Where to click WordPress Admin→PassiveWP→Settings→Amazon

What to do In WordPress Admin→PassiveWP→Settings→Amazon, click "Check API Connections" and wait for the status table to finish.

How to verify Check API Connections should show successful status with no country-level errors.

Most Common Causes

No partner tag defined for visitor country.
Tag typo or deactivated tag.
Default fallback tag not set.

How to Prevent It Next Time

Maintain a single source of truth for active tags.
Review tags before seasonal expansions into new regions.
Use naming conventions that include country codes.

When to Contact Support

You completed every fix step and still get the same error.
The issue impacts revenue-critical pages or high-volume campaigns.
You can share timestamps, affected link/product IDs, and screenshots of the exact error state.

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