Why are REST landing_site and GraphQL CustomerVisit landingPage different? (referral attribution)

[davekeql]

I'm having trouble reconciling REST API's "landing_site" and GraphQL customerJourneySummary > lastVisit > landingPage.   I'm finding that they are different for the same order, where I would expect them to be the same.

REST landing_site:  https://shopify.dev/docs/api/admin-rest/2023-07/resources/order#resource-object

"The URL for the page where the buyer landed when they entered the shop."

https://shopify.dev/docs/api/admin-graphql/2023-07/objects/CustomerJourneySummary

GraphQL customerJourneySummary > lastVisit > landingPage

lastVisit:  "The last session before an order is made."

landingPage: "URL of the first page the customer landed on for the session."

Sometimes they're completely different, sometimes they kinda match, haven't found a particular rhyme or reason.

I'm trying to properly attribute affiliate referrals.  It seems like the REST landing_site, which is included on Orders webhook, is the more accurate.  But GraphQL usually represents the direction Shopify is headed, and customerJourneySummary has a lot of info, so I'm trying to future proof myself...

Anyone know why they're different and what they actually represent?

[JackJack1]

Hi Davekeql,

Were you able to find a solution? What was your final approach based on your experience?

Thanks

[Djedjeska]

How is there no reply to this question? I find it very important for people who try to migrate from REST to GraphQL as it is now advised by Shopify themselves.
I have the same problem of inconsistent landing pages and would appreciate if there was an answer to this question