{"uid":"cap_Tb2KKdUajGVcjJpRTGxvS","slug":"ethereum-address-regex-extractor-a269016d","name":"Ethereum Address Regex Extractor","description":"Call when an agent needs 0x-prefixed 20-byte hex extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/regex-eth-address first.","url":"https://agentshelf.syntexa.ch/v1/regex-eth-address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","examples":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"maxLength":100000,"minLength":1,"description":"Input for this SKU. The route description says whether it is plain text, a URL, base64 bytes, or an already-encoded token."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Tkiw9lfzsDKY-kuThvN5z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all 0x-prefixed 20-byte hex Ethereum addresses from a text string, returning up to 20 matches.","exampleAgentPrompt":"Can you extract all Ethereum wallet addresses from this text: 'Send funds to 0xAbCd1234... and also 0x9Ef0...'?","exampleUseCases":[{"title":"Extract wallets from transaction log","prompt":"I have a raw transaction log here — can you pull out every Ethereum address mentioned in it? Here's the text: 'Block 18200000 from 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe to 0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAf and fee collector 0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359.'"},{"title":"Audit smart contract addresses in docs","prompt":"Here's a section of our developer documentation — please find all the 0x wallet and contract addresses mentioned so I can verify they're correct: 'Deploy to 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 and call 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D for routing.'"},{"title":"Extract recipient addresses from user message","prompt":"A user just pasted this message in our support chat — can you extract any Ethereum addresses from it? 'Please send my refund to 0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db, thanks.'"}],"resultDescription":"A list of up to 20 Ethereum addresses found in the input text, each formatted as a 0x-prefixed 40-character hexadecimal string (20 bytes). If no addresses are found, an empty list is returned — but the call is still billed.","failureModes":["Empty match list returned if no Ethereum addresses are present in the text — still billed $0.004 USDC","Input text exceeding 100,000 characters will be rejected","Malformed or non-hex 0x-prefixed strings will not be matched","Only first 20 matches returned if text contains more than 20 addresses","Payment failure if insufficient USDC balance for x402 protocol"],"whenToPreferThis":"Use this endpoint when you need to reliably extract 0x-prefixed 20-byte Ethereum addresses from arbitrary text without spinning up a local regex engine. It is especially useful in agent pipelines where text parsing utilities are not available. Always try the free /v1/sandbox/regex-eth-address endpoint first to avoid unnecessary charges, and only call this paid endpoint when the sandbox is unavailable or quota is exhausted.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:48:26.570Z","isFirstParty":false,"canonicalSlug":"ethereum-address-regex-extractor-a269016d"}