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Amazon API Rate Limit Errors (429 or Throttling)

Troubleshooting / Amazon APIs

Requests fail intermittently and product updates lag.


Where to Check in PassiveWP

WordPress Admin -> PassiveWP -> Settings -> Amazon

Step-by-Step Fix Walkthrough

Fix Step 1: Reduce queue batch size temporarily.

Where to click WordPress AdminPassiveWPSettingsAmazon

What to do In WordPress AdminPassiveWPSettingsAmazon, do this in order: open the relevant panel, find the control related to "Reduce queue batch size temporarily.", 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 2: Spread updates over longer intervals.

Where to click WordPress AdminPassiveWPSettingsAmazon

What to do In WordPress AdminPassiveWPSettingsAmazon, do this in order: open the relevant panel, find the control related to "Spread updates over longer intervals.", 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: Prioritize top products instead of syncing everything at once.

Where to click WordPress AdminPassiveWPSettingsAmazon

What to do In WordPress AdminPassiveWPSettingsAmazon, run Sync for one item first, then run bulk sync only after the first item completes successfully.

How to verify Status should move from queued/running to complete without repeat failures.

Fix Step 4: Retry after cooldown and monitor for stability.

Where to click WordPress AdminPassiveWPSettingsAmazon

What to do In WordPress AdminPassiveWPSettingsAmazon, do this in order: open the relevant panel, find the control related to "Retry after cooldown and monitor for stability.", 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.

Most Common Causes

  • Too many requests in a short period.
  • Large sync batches causing request bursts.
  • High concurrency during peak traffic windows.

How to Prevent It Next Time

  • Use staged sync schedules.
  • Keep import scope focused on high-value products.
  • Run bulk operations outside traffic peaks when possible.

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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