{"uid":"cap_vv0AWYnWV5x_cMBmLlhq6","slug":"dealpulse-credit-card-rewards-optimizer-d43665b3","name":"DealPulse Credit Card Rewards Optimizer","description":"Best credit card for a spending category / maximize cashback and points / which card to use. Finds the card that earns the most rewards (cashback, points, miles) for a given spending category and purchase. For shopping and rewards agents.","url":"https://dealpulse.theaslangroupllc.com/api/deals/cards","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"lang":{"type":"string","description":"lang"},"category":{"type":"string","description":"category"}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zIN1WYEDyjjliQy-C9kDI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Finds the credit card that earns the most rewards (cashback, points, or miles) for a given spending category or purchase type","exampleAgentPrompt":"I'm about to do a big grocery run at Whole Foods — which credit card in my wallet earns the highest cashback or points for grocery store spending?","exampleUseCases":[{"title":"Maximize rewards on upcoming vacation flights","prompt":"I'm booking a flight to Hawaii next month and want to use the card from my wallet that earns the most miles or points on airline purchases — which one should I use?"},{"title":"Find best card for restaurant dining rewards","prompt":"My partner and I go out to eat at least twice a week — can you tell me which of my credit cards offers the highest earning rate for restaurant purchases so I can build points faster?"},{"title":"Optimize cashback on everyday online shopping","prompt":"I do most of my shopping on Amazon and other online retailers these days — which card should I be using to get the maximum cashback on those purchases?"}],"resultDescription":"Returns the credit card that earns the highest reward rate for the specified spending category, including the reward type (cashback, points, or miles), the earn rate, and card name — enabling the agent to recommend the optimal card to use for a given purchase.","failureModes":["Unknown or unsupported spending category returns empty results or generic fallback","Ambiguous category (e.g. 'online' without merchant type) may return suboptimal match","Card data may be slightly stale if issuer changed reward structure recently","Payment failure (402) if USDC balance is insufficient","Rate limiting if too many requests in a short window"],"whenToPreferThis":"Use this endpoint when a user wants to know which credit card to use to maximize rewards for a specific type of purchase or spending category. Prefer this over generic financial advice APIs when the goal is concrete card-level reward optimization rather than card comparison for signup bonuses or interest rates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:44:29.857Z","isFirstParty":false}