{"success":true,"merchant":{"name":"Costco Gas Station","slug":"costco-gas-station","category":"Costco","standardCategory":"Costco","confidence":"HIGH","source":"cache","lookupMessage":null},"summary":{"merchantName":"Costco Gas Station","merchantSlug":"costco-gas-station","category":"Costco","updatedAt":"2026-07-15T07:18:42.266Z","generatedAt":"2026-07-15T07:18:42.266Z","lastVerifiedAt":null,"entityType":"merchant_best_card","entityName":"Costco Gas Station","pageUrl":"https://cardcurator.ai/merchant/costco-gas-station","canonicalUrl":"https://cardcurator.ai/merchant/costco-gas-station","jsonUrl":"https://cardcurator.ai/api/public/merchant/costco-gas-station/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/merchant/costco-gas-station","https://cardcurator.ai/api/public/merchant/costco-gas-station/summary","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Best credit card for Costco Gas Station","shareText":"At Costco Gas Station, Costco Anywhere Visa is currently our top overall pick at 5x, which works out to about 5.0% back based on CardCurator's current point valuations. 5x on Gas at Costco. On $500/month of spend, the top card is worth about $300/year before signup bonuses or statement credits. Summary generated July 15, 2026. Source: https://cardcurator.ai/merchant/costco-gas-station","evidenceBullets":["Costco Anywhere Visa: 5x and 5.0% effective return.","At $500/month, that's about $300/year in rewards value before bonuses.","Costco Anywhere Visa is also the best no-annual-fee option.","Methodology uses live earn rates, annual fees, and current point valuations."],"bestCard":{"name":"Costco Anywhere Visa","slug":"costco-anywhere-visa","programName":"Costco","annualFee":0,"earnRate":5,"effectiveReturnRate":5,"explanation":"5x on Gas at Costco"},"noFeeCard":{"name":"Costco Anywhere Visa","slug":"costco-anywhere-visa","annualFee":0,"earnRate":5,"effectiveReturnRate":5,"explanation":"5x on Gas at Costco"},"alternatives":[{"name":"BJ's One+ Mastercard","slug":"bj-s-one-mastercard","earnRate":5,"effectiveReturnRate":5,"annualFee":0},{"name":"Bilt Palladium Card","slug":"bilt-palladium-card","earnRate":2,"effectiveReturnRate":4,"annualFee":495},{"name":"Blue Business Plus Credit Card from American Express","slug":"blue-business-plus-credit-card-from-american-express","earnRate":2,"effectiveReturnRate":4,"annualFee":0}]}}