{"uid":"cap_bnJTnmXPp_vLWgkgVxAr6","slug":"gamepulse-trading-card-portfolio-valuation-d2435e0c","name":"GamePulse Trading Card Portfolio Valuation","description":"Trading card portfolio valuation for card-collector and card-investor agents. Returns current market value across Pokemon, MTG, sports cards, and more.","url":"https://gamepulse-zeta.vercel.app/api/cards/portfolio","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["cards"],"properties":{"lang":{"type":"string","description":"Response language (default en)"},"cards":{"type":"string","description":"Comma-separated card list"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UJGrDqGWXjxDtrnBhMWeU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current market value of a trading card portfolio across Pokemon, MTG, sports cards, and other collectible card games","exampleAgentPrompt":"Can you calculate the current total market value of my trading card portfolio? I have a mix of Pokemon cards (Charizard Base Set Holo, PSA 9), MTG (Black Lotus, Unlimited Edition, ungraded), and a 2018 Topps Mike Trout rookie, and I want to know what the whole collection is worth right now.","exampleUseCases":[{"title":"Track investment portfolio appreciation","prompt":"I want to see how much my trading card investments have grown. Can you pull up the current market value of my entire collection? I started with Pokemon and MTG cards five years ago and have added sports cards recently, so I need to know the total worth right now."},{"title":"Prepare cards for insurance valuation","prompt":"I'm getting my card collection insured and need an official current market valuation. Can you check what my entire portfolio of Pokemon, Magic, and vintage sports cards is worth today? I need exact numbers for the insurance company."},{"title":"Decide when to sell collection","prompt":"I'm thinking about liquidating my trading card collection to fund something else. What's the current market value of everything I own across Pokemon, MTG, and sports cards? I want to know if now is a good time to sell based on where prices are at."}],"resultDescription":"Returns an aggregated portfolio valuation including the current market value of each card in the portfolio, total portfolio worth, and individual card pricing data across Pokemon, MTG, sports cards, and other collectible card games.","failureModes":["Card not found in database — unknown or misidentified card name/set returns an error or null value","Invalid game type or card set specified returns a 400 error","Portfolio input malformed or missing required card identifiers returns a validation error","Market data temporarily unavailable for a specific card game category returns partial results","Rate limiting or payment failure returns a 402 or 429 error"],"whenToPreferThis":"Use this endpoint when a user wants an aggregated valuation of multiple trading cards across their entire portfolio, rather than pricing a single card. Prefer this over the single-card pricing endpoint when the goal is total collection worth or investment tracking across multiple cards or game types.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:33:08.903Z","isFirstParty":false}