Pinterest for WooCommerce 1.5.1 does not currently send Product Brand in Conversions API AddToCart events.
Please add the WooCommerce product brand to the CAPI AddToCart payload using Pinterest’s supported item_brand and/or content_brand field.
Version 1.4.27 already added WooCommerce product_brand to the Pinterest catalog feed as g:brand, but Product Brand is still absent from real-time CAPI events. As a result, Pinterest Event Quality reports Product Brand at 0% for AddToCart.
This behavior was confirmed by Pinterest for WooCommerce support.
Last updated: September 23, 2026
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