This Black Friday, your checkout data will be scattered across different surfaces. Start mapping it out now so you’re not chasing attribution data weeks after the traffic that drove it has moved on. Several platforms changed the way they handle purchases in 2026. Here’s what’s different and what to do about it before November.

Meta moved to website checkout off its platforms, so shoppers that browse on Facebook and Instagram Shops will now pay on your site.

OpenAI retired Instant Checkout in ChatGPT in March (6 months after launching it), saying the first version “did not offer the level of flexibility that we aspire to provide.” It then repointed the Agentic Commerce Protocol at product discovery instead.

Google’s AI Mode “Buy for Me” button also sends the shopper to the retailer’s site .

Pinterest’s checkout experience remains as it always has. Shoppers click on a product and are sent to your website, with tracking parameters intact.…