AI assistants most often recommend PayPal for payment gateways in 🇪🇸 Spain / LatAm (Español), naming it in 100% of the buyer questions we tested, followed by Stripe and Mercado Pago. We asked an AI model the questions buyers ask about payment gateways and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | PayPal | 6/6 (100%) |
| 2 | Stripe | 6/6 (100%) |
| 3 | Mercado Pago | 6/6 (100%) |
| 4 | PayU | 6/6 (100%) |
| 5 | Bizum | 1/6 (17%) |
| 6 | Amazon Pay | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇪🇸 Spain / LatAm (Español). Updated 7/1/2026. A proxy for how AI assistants describe this category.
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