{"uid":"cap_7Dclt3U7nZz1YYwYRvYqS","slug":"tc-ai-premium-nft-balance-checker-c5c828dc","name":"TC AI Premium NFT Balance Checker","description":"Get your NFT balance premium on base chain for user premium","url":"https://tc-ai-premium.vercel.app/api/x402/nft-premium?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","description":"List chain support: [base, sei, avalanche, polygon]. Default is chain base.\n Facilitator base support chain: base. \n Facilitator payAI support chain: base, sei, avalanche, polygon. \n Facilitator daydreams support chain: base, polygon "},"address":{"type":"string","description":"Your address to search data. \nDefault is the payment address."},"facilitator":{"type":"string","description":"The facilitator type.\n List support [base, payAI, daydreams]"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IaO-N_Uub-_CmgPyPkGLc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the premium NFT balance for a given wallet address on supported blockchain networks (Base, Sei, Avalanche, Polygon)","exampleAgentPrompt":"Can you check whether my wallet address 0xAbC123...456 has any premium NFTs on the Base chain using the base facilitator?","exampleUseCases":null,"resultDescription":"Returns the premium NFT balance associated with the queried wallet address on the specified blockchain, indicating how many premium NFTs the address holds and thus whether it has premium access.","failureModes":["Invalid or unsupported chain returns an error — only base, sei, avalanche, and polygon are supported","Unsupported facilitator type causes failure — only base, payAI, and daydreams are valid","Invalid wallet address format results in lookup failure","Chain-facilitator mismatch (e.g. sei chain with base facilitator) may return an error or empty result","Payment of $0.50 USDC not completed causes request to be rejected by x402 protocol","No NFTs found returns a zero balance rather than an error"],"whenToPreferThis":"Use this endpoint when an agent needs to verify whether a wallet address holds premium NFT access on a specific supported chain (Base, Sei, Avalanche, Polygon). Prefer this over generic NFT balance APIs when the use case is specifically checking premium access gating via NFT ownership in the TC AI ecosystem, especially when working with x402 payment-gated APIs and needing to confirm user tier/entitlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:37:19.019Z","isFirstParty":false,"canonicalSlug":"tc-ai-premium-nft-balance-checker-663ef760"}