{"uid":"cap_eUGg_TH842G0ojBslfb_A","slug":"swift-bot-labs-evm-address-validator-efb8c40b","name":"Swift Bot Labs EVM Address Validator","description":"62 small, deterministic utility APIs (DNS and e-mail checks, web extraction, EVM decoding, x402 checks, IP math, JSON/CSV, hashing, conversions). No account or API key: pay per call in USDC with x402.","url":"https://x402-toolbox.swiftbotlab.workers.dev/v1/evm/address?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","HEAD"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string"}},"additionalProperties":false},"discoverable":{"type":"boolean"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"tool":"evm-address","result":{"valid":true,"isZero":false,"lowercase":"0x2481e29895b43e87e547a50fb0bb5aa1e70585eb","checksummed":"0x2481E29895b43e87e547a50fB0BB5aa1E70585EB","hadChecksum":false}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ss2nJgWoKvAn7gP6JZTlD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an Ethereum/EVM address and returns its canonical lowercase, ERC-55 checksummed form, zero-address flag, and whether it already had a valid checksum.","exampleAgentPrompt":"Can you validate this Ethereum address and give me the properly checksummed version: 0x2481e29895b43e87e547a50fb0bb5aa1e70585eb?","exampleUseCases":[{"title":"Pre-send wallet address sanity check","prompt":"Before I send that USDC transfer, validate this recipient address for me: 0xdAC17F958D2ee523a2206206994597C13D831ec7 — is it a real valid EVM address and what's the correct checksummed form?"},{"title":"Smart contract address normalization","prompt":"I've got this contract address in all lowercase — 0x7a250d5630b4cf539739df2c5dacb4c659f2488d — can you normalize it to the proper ERC-55 checksum format and confirm it's valid?"},{"title":"Zero address detection in user input","prompt":"A user just submitted the address 0x0000000000000000000000000000000000000000 as their withdrawal destination — is that a valid EVM address and is it flagged as the zero address?"}],"resultDescription":"A JSON object with: ok (boolean), tool name, and a result object containing valid (boolean), isZero (boolean), lowercase (all-lowercase address string), checksummed (ERC-55 mixed-case checksum address string), and hadChecksum (boolean indicating if the input already carried a valid checksum).","failureModes":["Missing required 'address' query parameter returns an error response","Non-hex or completely malformed input may return valid:false rather than an error","Payment failure via x402 protocol blocks the call entirely before address processing","Network/worker timeout for edge cases"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call, no-signup EVM address validator that also normalizes to ERC-55 checksum format in a single call. Ideal for agents that only occasionally need address validation and don't want to maintain API keys or subscriptions. Prefer over on-chain or web3.js validation when a pure HTTP utility call is simpler in context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:30:14.589Z","isFirstParty":false,"canonicalSlug":"swift-bot-labs-evm-address-validator-efb8c40b"}