{"uid":"cap_bJMNjVTYECW04d6Eabdyu","slug":"bot-bazaar-eip-55-checksum-validator-e12d22d2","name":"Bot Bazaar EIP-55 Checksum Validator","description":"Convert and validate an EVM address against strict EIP-55 Keccak-256 mixed-case checksum rules, detecting case mismatches and burn addresses.","url":"https://bot-bazaar.fly.dev/v1/x402/eip55-checksum-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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"address":{"type":"string","description":"EVM 0x address to checksum"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_i1FYr4OlQPW2YSpomu-7C","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":"Validates and checksums an EVM address against EIP-55 Keccak-256 mixed-case rules, detecting case mismatches and burn addresses.","exampleAgentPrompt":"Can you check if the Ethereum address 0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAf is properly EIP-55 checksummed and whether it might be a burn address?","exampleUseCases":[{"title":"Pre-transfer address sanity check","prompt":"Before I send ETH to 0xdAC17F958D2ee523a2206206994597C13D831ec7, can you verify the EIP-55 checksum is correct and it's not a burn address?"},{"title":"Smart contract address audit","prompt":"I just deployed a contract and got the address 0x000000000000000000000000000000000000dead — can you run it through EIP-55 checksum validation and tell me if it's flagged as a burn address?"},{"title":"User-submitted wallet validation","prompt":"A user submitted the wallet address 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 to receive a payment — can you verify whether the checksum casing is valid according to EIP-55?"}],"resultDescription":"Returns whether the provided EVM address passes EIP-55 Keccak-256 mixed-case checksum validation, flags any case mismatches between the submitted address and the correctly checksummed form, and indicates if the address matches known burn address patterns.","failureModes":["Missing or malformed 'address' query parameter returns an error","Address without '0x' prefix may fail validation","Non-hexadecimal characters in address cause parsing errors","Address shorter or longer than 42 characters fails format check","Network timeouts on the fly.dev host may cause intermittent failures"],"whenToPreferThis":"Choose this endpoint when you need lightweight, on-demand EIP-55 checksum validation for individual EVM addresses, especially before executing payments or storing addresses. It is ideal for pipelines that need to catch user input errors, detect burn addresses, or enforce strict address formatting without spinning up a full Ethereum node or library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:06:39.066Z","isFirstParty":false,"canonicalSlug":"bot-bazaar-eip-55-checksum-validator-e12d22d2"}