Creators ID/Secret are filled in, but Check API Connections still shows failure.

---

Where to Check in PassiveWP

WordPress Admin -> PassiveWP -> Settings -> Amazon

Step-by-Step Fix Walkthrough

Fix Step 1: In Settings -> Amazon, re-paste Creators Credential ID and Creators Credential Secret manually.

Go here WordPress Admin→PassiveWP→Settings→Amazon

Do this In WordPress Admin→PassiveWP→Settings→Amazon, paste values into "Creators Credential ID" and "Creators Credential Secret", click Save Changes, then rerun connection test.

Confirm No blocking error banner appears, and the next step is available.

Fix Step 2: Set Amazon API Mode to Creators API or Auto while testing.

Go here WordPress Admin→PassiveWP→Settings→Amazon

Do this In WordPress Admin→PassiveWP→Settings→Amazon, set "Amazon API Mode" to the mode you need, then click Save Changes.

Confirm Check API Connections should show successful status with no country-level errors.

Fix Step 3: Confirm Default Country and Partner Tag values are populated.

Go here WordPress Admin→PassiveWP→Settings→Amazon

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

Confirm No blocking error banner appears, and the next step is available.

Fix Step 4: Click Check API Connections and review the per-country results table.

Go here WordPress Admin→PassiveWP→Settings→Amazon

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

Confirm No blocking error banner appears, and the next step is available.

Most Common Causes

• Credentials were copied with hidden spaces.
• Amazon API Mode is set to a source that does not match saved credentials.
• Partner tag/country mapping is incomplete for the tested marketplace.

How to Prevent It Next Time

• Rotate and validate credentials on a documented schedule.
• Retest after any API mode change.
• Keep one verified fallback mode for urgent publishing windows.

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.