{"uid":"cap_EV_dXpm-ZR0bEZos7tQYp","slug":"alchemy-portfolio-nft-balances-4eca50b4","name":"Alchemy Portfolio NFT Balances","description":"Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.","url":"https://stablecrypto.dev/api/alchemy/portfolio/nfts","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"type":"string","description":"Alchemy network slug, e.g. eth-mainnet, base-mainnet"},"addresses":{"type":"array","items":{"type":"string"},"description":"Wallet addresses"},"withMetadata":{"type":"boolean"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_J3B8bv8Iquc8k-EBC030W","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":"Fetches all NFT token balances held by one or more wallet addresses on a specified blockchain network via Alchemy","exampleAgentPrompt":"What NFTs are currently held by these wallets 0xABC123 and 0xDEF456 on eth-mainnet? Include the full metadata for each token.","exampleUseCases":null,"resultDescription":"Returns a mapping of wallet addresses to their NFT holdings on the specified network, optionally including rich token metadata such as name, image, and trait data for each NFT.","failureModes":["Invalid or unsupported network slug returns an error","Malformed wallet addresses cause validation failures","Missing required fields (network or addresses) returns a 400-style error","Empty addresses array may return empty results","Network congestion or Alchemy upstream issues may cause timeouts","Payment not included or insufficient causes x402 payment required error"],"whenToPreferThis":"Use this endpoint when you need to enumerate all NFT holdings for one or more wallet addresses on a specific EVM-compatible network. Prefer this over the NFT collections endpoint when you want individual token-level balance data rather than collection-level aggregates. It is backed by Alchemy's indexed data making it reliable for mainnet and L2 queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:40:17.268Z","isFirstParty":false}