{"uid":"cap_x5ouxUfDBiU2YuuNgwYJs","slug":"ethereum-unit-address-converter-ff3e0b23","name":"Ethereum Unit & Address Converter","description":"Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address.","url":"https://webtools402.176-109-107-191.sslip.io/crypto/convert","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","required":["op"],"properties":{"op":{"enum":["units","checksum","hex"],"type":"string"},"to":{"description":"Target unit for op=units; for op=hex use int or hex"},"from":{"description":"Source unit for op=units: wei, gwei, ether, or an integer decimals count"},"value":{"description":"Amount for op=units; integer or 0x hex for op=hex"},"address":{"type":"string","description":"Address to checksum/validate (op=checksum)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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_7qnVmuzPjz6K2eFJay-L-","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":"Converts between Ethereum token denominations (wei/gwei/ether or arbitrary decimals), between hex and integer representations, and computes or validates EIP-55 checksummed Ethereum addresses.","exampleAgentPrompt":"Convert 1500000000000000000 wei to ether, and also give me the EIP-55 checksummed version of 0xd8da6bf26964af9d7eed9e03e53415d37aa96045.","exampleUseCases":[{"title":"Gas fee in readable ether","prompt":"I'm seeing a gas estimate of 21000 gwei on this transaction — can you convert that to ether so I know what I'm actually paying?"},{"title":"Hex to decimal block number","prompt":"The API returned a block number as 0x11e5a1f — can you turn that into a regular integer for me?"},{"title":"USDC raw units to dollars","prompt":"I got a raw USDC balance of 4750000 from the contract, and USDC uses 6 decimals — what's that in human-readable dollars?"}],"resultDescription":"Returns the converted value (e.g. human-readable token amount in target unit, decimal or hex integer), or the EIP-55 checksummed Ethereum address string, depending on which operation (units/hex/checksum) was requested.","failureModes":["Missing required 'op' query parameter returns an error","Invalid or unsupported unit name for op=units returns an error","Malformed or non-Ethereum address for op=checksum returns an error","Non-numeric or malformed value for op=hex or op=units returns an error","Payment not provided or insufficient returns HTTP 402"],"whenToPreferThis":"Use this endpoint when you need precise, on-demand Ethereum unit conversions (wei/gwei/ether or custom decimal token units), hex-to-int or int-to-hex conversion, or need to compute or validate an EIP-55 checksummed Ethereum address — especially within a web3 or blockchain agent workflow where accuracy and standardized formatting matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:05.652Z","isFirstParty":false}