{"uid":"cap_x9AlhsZbqrWVteRoXpHbd","slug":"card-hedge-comparable-sales-comps-11bcb315","name":"Card Hedge Comparable Sales (Comps)","description":"Get comparable sales (comps) for a card, with anomaly filtering and optional time-weighting. · needs a card_id (resolve via card-search, card-match, or image-match)","url":"https://api.cardhedger.com/v1/agent/cards/comps?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"count":{"type":"integer","maximum":100,"minimum":1,"description":"Number of comp prices (1-100)"},"grade":{"type":"string","description":"Card grade (e.g., 'PSA 10', 'BGS 9.5')"},"card_id":{"type":"string","description":"Card ID — resolve one via card-search, card-match, or image-match."},"time_weighted":{"type":"boolean","default":false,"description":"If true, weight recent sales more heavily using WMA algorithm"},"include_raw_prices":{"type":"boolean","default":false,"description":"If true, include raw price data in response"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y2KDsZ6raXU76UPPJgChi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns comparable sales prices for a specific trading card, with anomaly filtering and optional time-weighting via WMA algorithm.","exampleAgentPrompt":"What are the top 10 comps for card ID abc123 graded PSA 10, with time-weighting turned on so recent sales count more?","exampleUseCases":[{"title":"Pricing a card before selling","prompt":"I'm about to list a BGS 9.5 version of card ID card_789 on the marketplace — can you pull 20 comps with time-weighting on so I get a fair current price?"},{"title":"Spotting anomalies in card sales","prompt":"Get me 50 comparable sales for card ID card_456 graded PSA 9, and include the raw prices too so I can see what anomalies got filtered out."},{"title":"Quick market value check","prompt":"What's the going rate for card ID card_321 in PSA 10 right now? Just pull 5 comps with time-weighting so I see what it's actually selling for lately."}],"resultDescription":"Returns a list of comparable sale prices for the specified card and grade, cleaned of anomalies. If time_weighted is true, recent sales are emphasized using a Weighted Moving Average (WMA) algorithm. If include_raw_prices is true, the unfiltered raw sale data is also returned alongside the comps.","failureModes":["Invalid or unknown card_id — must be resolved first via card-search, card-match, or image-match","Grade string not recognized or unavailable for that card — returns empty or error","Count out of range (must be 1–100) — returns validation error","No sales data available for the requested grade — returns empty comps array","Payment failure or insufficient USDC balance — request rejected before processing"],"whenToPreferThis":"Use this endpoint when you need market-calibrated, anomaly-filtered comparable sales for a specific card and grade — ideal for pricing decisions, valuation, or buy/sell analysis. Prefer this over the raw latest-prices endpoint when you want cleaner, statistically sound comp data rather than all raw prices across grades.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T12:35:12.758Z","isFirstParty":false,"canonicalSlug":"card-hedge-comparable-sales-comps-11bcb315"}