{"uid":"cap_oHHPPcIXDaX2b4cAhVT2x","slug":"delx-commerce-base58-validate-be228695","name":"Delx Commerce — Base58 Validate","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/base58-validate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"type":"string","description":"Base58 string to validate against the Bitcoin alphabet (local only)."}}},"responseSchema":{"type":"json","example":{"valid":true,"length":34,"schema":"delx/util-base58-validate/v1","alphabet":"bitcoin-base58","values_returned":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_4QQXTjrs5H9I4XimYRfP0","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 whether a given string conforms to the Bitcoin Base58 alphabet and returns its length and validity status.","exampleAgentPrompt":"Can you check if this string '1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf' is a valid Bitcoin Base58 value and tell me its length?","exampleUseCases":[{"title":"Validate Bitcoin address before payment","prompt":"Before I broadcast this transaction, can you confirm that '3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy' is a valid Base58 string using the Bitcoin alphabet?"},{"title":"Check encoded key in wallet integration","prompt":"I'm building a wallet and need to verify that the public key 'xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB' passes Base58 validation — can you check it?"},{"title":"Sanitize user-submitted blockchain address","prompt":"A user submitted the address '0xInvalidAddr' as a Bitcoin address — can you run it through Base58 validation to see if it's actually well-formed?"}],"resultDescription":"Returns a JSON object with a boolean 'valid' field indicating whether the input conforms to the Bitcoin Base58 alphabet, the integer 'length' of the string, the 'alphabet' type used (bitcoin-base58), and a 'schema' identifier. Does not return decoded values.","failureModes":["Missing or empty 'value' field returns a validation error","Non-string input may cause a bad request response","Payment failure via x402 protocol will block the call before processing","Network or service unavailability returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap, pay-per-call Base58 format check with no signup overhead — ideal for agents validating Bitcoin-style addresses or encoded keys before passing them to downstream blockchain APIs. Prefer this over rolling your own regex when you want a verifiable, schema-stamped result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:48.054Z","isFirstParty":false,"canonicalSlug":"delx-commerce-base58-validate-be228695"}