{"uid":"cap_CwIYjQGxwCGKym-tfFsIG","slug":"card-comps-sports-card-market-research-768c0876","name":"Card Comps — Sports Card Market Research","description":"A pay per call service providing sports card market research data on the Base network.","url":"https://eager-marvel-a2g2.here.now/comps","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Player or card name to search, e.g. Ohtani, Wembanyama, Mahomes"},"limit":{"type":"number","description":"Max matches to return, 1-25. Default 12."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"paid":true,"query":"Ohtani","matches":[{"name":"Shohei Ohtani","last_raw":701,"raw_median":831}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wVd-3vB6FLBk1SSeKqAk4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns sports card market comps (recent sale prices and medians) for a given player or card name","exampleAgentPrompt":"Can you pull up the sports card comps for Shohei Ohtani and show me the last raw sale price and median — I want to know what his cards are going for right now?","exampleUseCases":[{"title":"Pricing a card before selling","prompt":"I'm about to list a Wembanyama rookie card and want to know what similar raw cards have sold for recently — can you get me the comps so I know what to ask?"},{"title":"Scouting cards to buy at a show","prompt":"I'm at a card show and someone wants $150 for a raw Patrick Mahomes card — can you pull up the current market comps so I can see if that's a fair price?"},{"title":"Building a collection value report","prompt":"I'm tracking the value of my sports card collection — can you look up comps for Luka Doncic and give me the last raw sale and median price?"}],"resultDescription":"A JSON object containing the search query, a boolean confirming payment was processed, and a list of matching cards. Each match includes the card or player name, the most recent raw sale price (last_raw), and the median raw sale price (raw_median). Up to 25 results can be returned per query.","failureModes":["No matches found for obscure or misspelled player names","Payment not processed — endpoint returns 402 if USDC micropayment fails","limit parameter out of range (must be 1–25)","Missing required query parameter q returns a validation error","Network timeout for real-time market data lookups"],"whenToPreferThis":"Use this endpoint when you need fast, pay-per-call sports card market comps without a subscription. It is ideal for agents that need on-demand price discovery for raw (ungraded) cards by player name. Prefer this over scraping auction sites or manual lookup when you need structured sale price data programmatically and want to pay only for what you use via USDC micropayments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:38:04.358Z","isFirstParty":false}