{"uid":"cap_Udo8-_oFpMUK4gryZH13a","slug":"ddg-base-address-lookup-cde6157c","name":"DDG Base Address Lookup","description":"Machine-payable DDG services for AI agents. Current public live payment rails are x402 multi-chain USDC and direct-crypto auto/manual for public receiving-address families. MPP/Stripe/Tempo is installed but pending live provider env plus penny-settlement proof before any MPP-live advertisement. DDG sells bounded artifacts/results, not raw provider account access.","url":"https://agents.daedalusdevelopmentgroup.com/v1/base/address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true}},"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_A44ka1TtW3XvKOYo73w5_","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":"Returns balance, nonce, and code presence for a given address on the Base blockchain network.","exampleAgentPrompt":"Can you check the balance, nonce, and whether there's any contract code at the Base address 0xAbC123...def456?","exampleUseCases":[{"title":"Check wallet balance on Base","prompt":"What's the current ETH balance and nonce for the Base wallet address 0x1234567890abcdef1234567890abcdef12345678?"},{"title":"Detect if Base address is a contract","prompt":"Is the address 0xabcdefabcdefabcdefabcdefabcdefabcdefabcd on Base a smart contract or a regular wallet? Check if there's any code deployed there."},{"title":"Pre-flight nonce check before sending transaction","prompt":"Before I send a transaction, can you pull the current nonce for my Base address 0xDEADBEEFdeadbeefDEADBEEFdeadbeefDEADBEEF so I know what sequence number to use?"}],"resultDescription":"Returns a JSON object with the address's current balance (in wei or ETH), its transaction nonce (number of transactions sent), and a flag or value indicating whether contract bytecode is present at that address on the Base network.","failureModes":["Invalid or malformed Ethereum address returns an error","Address not found or zero-state account may return zeros for all fields","Network or RPC connectivity issues may cause timeouts","Payment failure (insufficient USDC) prevents call from being processed","Malformed request body returns validation error"],"whenToPreferThis":"Use this endpoint when you need a quick, cheap ($0.01 USDC) on-chain state snapshot — balance, nonce, and code presence — for a Base network address, without spinning up your own RPC node. Prefer it over generic Ethereum RPC endpoints when you specifically need Base chain data through an agent-payable, machine-accessible interface.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:48:28.121Z","isFirstParty":false,"canonicalSlug":"ddg-base-address-lookup-cde6157c"}