{"uid":"cap_w7jHpBaB_CNmm5BlyQFsJ","slug":"northline-bitcoin-address-validator-2bbcc804","name":"Northline Bitcoin Address Validator","description":"Pay-per-call APIs, paid downloads and work-on-request for agents. Payment: x402 (USDC on Base, eip155:8453), no accounts or API keys. Catalog: https://206-81-14-131.sslip.io/?format=json. Agent guide: https://206-81-14-131.sslip.io/llms.txt","url":"https://206-81-14-131.sslip.io/svc/bitcoin-address/validate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__ujGXIaOhaXGBN3p3xm0c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","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 Bitcoin address is correctly formatted and legitimate","exampleAgentPrompt":"Can you validate this Bitcoin address for me before I send any funds to it: 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf6E?","exampleUseCases":[{"title":"Pre-transaction address sanity check","prompt":"Before I send 0.05 BTC, can you check whether this address is a valid Bitcoin address: bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq?"},{"title":"User-submitted wallet validation","prompt":"A customer entered this Bitcoin address on our checkout page — can you tell me if it's a valid BTC address or if they made a typo: 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy?"},{"title":"Bulk payment list pre-screening","prompt":"I've got this Bitcoin address from my vendor's invoice: 1BvBMSEYstWetqTFn5Au4m4GFg7xJaNVN2 — please verify it's a properly formatted Bitcoin address before I approve the payment."}],"resultDescription":"Returns whether the provided Bitcoin address is valid, including information about the address format (e.g. legacy P2PKH, P2SH, or bech32/SegWit) and any detected errors in the checksum or structure.","failureModes":["Missing or empty address parameter returns an error","Malformed address string returns invalid status with reason","Address from a different network (e.g. testnet) may be flagged as invalid or differently categorized","Network errors or timeouts from the upstream service","Payment failure via x402 protocol if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call Bitcoin address validation with no account setup or API key required. Ideal for agents that need on-demand validation in automated workflows, especially when using x402 micropayment infrastructure on Base. Prefer this over rolling your own checksum logic or using a full blockchain node query when all you need is format/validity confirmation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:42:10.930Z","isFirstParty":false,"canonicalSlug":"northline-bitcoin-address-validator-2bbcc804"}