{"uid":"cap_aegjWYILTHxgQQGtUp27H","slug":"card-hedge-fmv-by-certificate-number-29297b72","name":"Card Hedge FMV by Certificate Number","description":"Get the Fair Market Value (FMV) for a card by grader certificate number.","url":"https://api.cardhedger.com/v1/agent/cards/fmv-by-cert?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cert":{"type":"string","description":"Certificate number to look up"},"grader":{"type":"string","default":"PSA","description":"Grading company (defaults to PSA)"}}},"responseSchema":null,"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_gJX5PiCrWS7tG2Ef2vyps","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 the Fair Market Value (FMV) for a graded trading card identified by its grader certificate number.","exampleAgentPrompt":"What's the fair market value of my PSA-graded card with certificate number 12345678?","exampleUseCases":[{"title":"Quick resale price check","prompt":"I'm thinking of selling my PSA graded card — can you look up the fair market value for cert number 87654321 so I know what to list it for?"},{"title":"Insurance or collateral valuation","prompt":"I need to know the current fair market value of a BGS graded card with cert number 44556677 for insurance purposes."},{"title":"Purchase offer evaluation","prompt":"Someone is offering to sell me a PSA cert 99887766 — can you pull the FMV so I know if the price they're asking is reasonable?"}],"resultDescription":"Returns the Fair Market Value (FMV) for the specified graded card identified by its certificate number and grading company, giving the agent a current market price estimate for that specific graded card.","failureModes":["Certificate number not found in the database — returns an error or empty result","Invalid or unsupported grading company specified — may default to PSA or return an error","Certificate number format mismatch — different graders use different cert number formats","Card has insufficient recent sales data to compute a reliable FMV","API payment failure via x402 protocol — call rejected if USDC payment not processed"],"whenToPreferThis":"Use this endpoint when you have a specific grader certificate number and need the Fair Market Value for that exact graded card. Prefer this over search-based endpoints when the cert number is already known, as it provides a direct and precise lookup. If you need pricing across all grades or comparable sales history, use the sibling endpoints instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:39:46.821Z","isFirstParty":false,"canonicalSlug":"card-hedge-fmv-by-certificate-number-29297b72"}