{"uid":"cap_Sfg03A4sdy064jJxV7sKt","slug":"grokzilla-address-validator-a443166f","name":"Grokzilla Address Validator","description":"Validate an EVM, Solana, or Bitcoin address locally (EIP-55 checksum, base58, bech32). Optional eth_getCode on Base to label eoa vs contract. No RPC required by default.","url":"https://grokzilla.shop/api/skills/address-validate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["evm","solana","bitcoin","auto"],"type":"string","default":"auto"},"address":{"type":"string","maxLength":128,"minLength":1,"description":"Address to validate"},"check_code":{"type":"boolean","default":false,"description":"When chain is evm, call eth_getCode on Base to set type eoa|contract"},"request_id":{"type":"string","pattern":"^[A-Za-z0-9._:-]+$","maxLength":64,"minLength":1,"description":"Optional idempotency key. Echoed back; a credit-pack redemption with the same request_id and body is charged once."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vN4rHPZ4UpRFH1F1MzYXW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates EVM, Solana, or Bitcoin addresses locally (EIP-55 checksum, base58, bech32) with optional on-chain contract/EOA detection on Base.","exampleAgentPrompt":"Can you check whether '0x742d35Cc6634C0532925a3b844Bc454e4438f44e' is a valid Ethereum address, and tell me if it's a smart contract or a regular wallet on Base?","exampleUseCases":[{"title":"Pre-send wallet address sanity check","prompt":"Before I transfer funds, can you validate that '1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf Na' is a valid Bitcoin address so I don't lose anything?"},{"title":"Smart contract vs EOA detection","prompt":"Is '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' a smart contract or a regular wallet address on Base? Use on-chain lookup to confirm."},{"title":"Auto-detect chain and validate address","prompt":"I have this address — 'Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB' — can you figure out what blockchain it's for and tell me if it's valid?"}],"resultDescription":"Returns whether the address is valid, the detected or specified chain, the canonical/checksummed form of the address, the address format used (e.g. EIP-55, base58, bech32), and optionally whether it is an EOA or contract (when check_code is true and chain is EVM).","failureModes":["Invalid or malformed address returns valid=false with format error details","Unsupported address format for the specified chain returns a validation error","check_code=true requires EVM chain; using it with Solana or Bitcoin returns an error","Address string exceeds maxLength of 128 characters returns schema validation error","Network unavailable when check_code=true (eth_getCode on Base) may cause timeout or partial result","Duplicate request_id with different body may return cached result rather than recomputing"],"whenToPreferThis":"Choose this endpoint when you need fast, low-cost address validation without setting up your own RPC node or blockchain library. It handles multi-chain auto-detection (EVM, Solana, Bitcoin) in a single call, enforces EIP-55 checksums, and optionally enriches EVM addresses with on-chain EOA/contract classification via Base — all for $0.001 per call with no API key required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:32:56.047Z","isFirstParty":false,"canonicalSlug":"grokzilla-address-validator-a443166f"}