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To use Klaviyo reviews in the Aftersell testimonials widget, you need to provide your Klaviyo private API key.

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Setting up Klaviyo integration

  1. In Klaviyo, navigate to your account settings
  2. Go to Integrations > Developers > Manage API keys
  3. Click Create Private API Key
    • You can name it “Aftersell API key”
    • Select read-only permissions
  4. Copy the generated API key
  5. Open the Aftersell app, then go to Settings > Product Reviews
  6. Select Klaviyo from the review integrations list
  7. Paste your private API key in the Klaviyo private API key field
  8. Click Save changes
The integration is complete. You can now use Klaviyo reviews in your Testimonials widget.

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Syncing reviews

Aftersell imports reviews from Klaviyo and stores them so they can be displayed in the testimonials widget.
Saving your credentials doesn’t start an import on its own. The weekly automatic sync only picks up stores that have a live Testimonials widget whose selection mode is Dynamic and whose provider is Klaviyo — on Checkout, on the Thank You Page, or in a post-purchase offer. Until such a widget exists, use Sync now below to import manually.
Once you do have a qualifying widget, Aftersell re-imports that store’s reviews about once a week. To import reviews immediately:
  1. Go to Settings > Product Reviews
  2. Find the Klaviyo reviews section
  3. Click Sync now
The sync status shows when reviews were last imported and when the next sync is available.