{"uid":"cap_yT0K1v7Rl-1IqicPNox01","slug":"x402node-airdrop-eligibility-balance-checker-1dfc11d3","name":"x402node Airdrop Eligibility & Balance Checker","description":"Check whether a wallet holds or has claimed a specific airdrop/token contract balance on EVM chains, with symbol and formatted amount. airdrop check, claim eligibility, token balance check, airdrop claimed, wallet holdings Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/chain/airdrop-check?utm_source=zero.xyz","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"],"type":"string"},"queryParams":{"type":"object","required":["address","contract"],"properties":{"chain":{"type":"string","description":"ethereum, base (default), arbitrum, optimism, polygon"},"token":{"type":"string","description":"ERC20 contract address (optional)"},"address":{"type":"string","description":"Wallet to check (required)"},"contract":{"type":"string","description":"Airdrop/token contract address (required)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_n_erZ9PbjxqA82AVC_tJK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given wallet address has claimed or holds a specific airdrop/token contract balance on EVM chains, returning the token symbol and formatted amount.","exampleAgentPrompt":"Can you check if the wallet 0xAbc123...def has claimed or holds any tokens from the airdrop contract 0xToken456...789 on Ethereum mainnet — tell me the token symbol and how many tokens it has?","exampleUseCases":null,"resultDescription":"Returns the wallet's airdrop/token status including: whether the wallet has claimed or holds tokens from the specified contract, the token symbol, and the formatted human-readable token balance amount.","failureModes":["Invalid wallet address format — returns error or empty result","Invalid or unrecognized token contract address — may return zero balance or error","Unsupported EVM chain — endpoint may reject the request","Wallet has no interaction with the contract — returns zero balance or unclaimed status","Network timeout or RPC node unavailability — returns error"],"whenToPreferThis":"Use this endpoint when you need to quickly verify airdrop eligibility or claim status for a specific wallet+contract pair on EVM chains, especially when you also want the formatted token symbol and balance in a single call. Prefer this over generic balance checkers when the specific use case is airdrop/claim verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:51:54.074Z","isFirstParty":false,"canonicalSlug":"x402node-airdrop-eligibility-balance-checker-1dfc11d3"}