{"success":true,"comparison":"marriott-bonvoy-boundless-vs-united-explorer","summary":{"updatedAt":"2026-09-09T14:26:30.839Z","generatedAt":"2026-09-09T14:26:30.839Z","lastVerifiedAt":null,"entityType":"card_comparison","entityName":"Marriott Bonvoy Boundless vs United Explorer","pageUrl":"https://cardcurator.ai/compare/marriott-bonvoy-boundless-vs-united-explorer","canonicalUrl":"https://cardcurator.ai/compare/marriott-bonvoy-boundless-vs-united-explorer","jsonUrl":"https://cardcurator.ai/api/public/compare/marriott-bonvoy-boundless-vs-united-explorer/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/compare/marriott-bonvoy-boundless-vs-united-explorer","https://cardcurator.ai/api/public/compare/marriott-bonvoy-boundless-vs-united-explorer/summary","https://cardcurator.ai/card/marriott-bonvoy-boundless","https://cardcurator.ai/card/united-explorer","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Marriott Bonvoy Boundless vs United Explorer","shareText":"The Marriott Bonvoy Boundless and United Explorer are closely matched. The better pick depends on whether you value lower fees, the current signup bonus, or category-specific earn rates more. On raw upside, Marriott Bonvoy Boundless tops out at 17x versus 3x for United Explorer. Current signup bonus values are roughly $0 for Marriott Bonvoy Boundless and $800 for United Explorer. Summary generated September 9, 2026. Source: https://cardcurator.ai/compare/marriott-bonvoy-boundless-vs-united-explorer","evidenceBullets":["Marriott Bonvoy Boundless wins 2 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: Marriott Bonvoy Boundless reaches 17x; United Explorer reaches 3x.","Annual fee: Marriott Bonvoy Boundless is $95/yr; United Explorer is $150/yr.","Current public bonus values are approximately $0 and $800."],"winner":{"name":"Marriott Bonvoy Boundless","slug":"marriott-bonvoy-boundless","score":2,"maxEarnRate":17,"annualFee":95},"loser":{"name":"United Explorer","slug":"united-explorer","score":2,"maxEarnRate":3,"annualFee":150}}}