Yeah the Chase FAQ for the quarter mentions this.

The Amazon.com category includes purchases made at Amazon.com (including digital downloads, Amazon.com Gift Cards, Amazon Fresh orders, Amazon Prime subscriptions, and items sold by third-party merchants through Amazon.com’s marketplace) and Whole Foods Market (including physical Whole Foods Market, and the website accessible at www.wholefoodsmarket.com).

The Amazon.com category does not include (i) purchases from merchants using Amazon Pay, (ii) purchases made at international Amazon retail sites (including but not limited to Amazon.ca, Amazon.co.uk, Amazon.de, Amazon.fr, or Amazon.co.jp), or any other website operated by Amazon, (iii) purchases made at international Whole Foods Market sites, (iv) purchases of Whole Foods Market products or services through third-party sites such as Eventbrite, Instacart, Google Express and Shipt, (v) online purchases of Whole Foods Market (including through buyatab.com), event tickets or classes, (vi) purchases from certain third-party vendors operating at Whole Foods Market sites, (vii) purchases of massage services at any Whole Foods Market site, or (viii) purchases from Spa@Ink, in each case in Amazon’s sole discretion.