I think all the Kiwi Neon rewards are tied up with UPI transactions via the Kiwi app.
Basically, using your card for online transactions that doesn't involve Kiwi app are probably not eligible.
As per T&C, it seems only collect+intent and scan+pay transactions involving Kiwi app are eligible.
Although I could be wrong - someone holding Neon membership from initial launch days could confirm.
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https://gokiwi.in/rewards-policy-v2/