{"uid":"cap_AXQtDOTA4zjEo2d7j-J5_","slug":"venue-watch-base-address-lookup-ef9fd478","name":"venue-watch: Base Address Lookup","description":"Which venues actually pay AI agents right now. Live open-task counts pulled from public venue APIs (Taskmarket, TaskBounty), plus curated, dated, sourced verdicts on other venues (Virtuals ACP, x402 Bazaar, Superteam Earn, Algora, AgentPact, bug-bounty platforms). All tools are deterministic and LLM-free. Bad input returns 4xx and is not settled (no charge). Upstream sources are named in each response.","url":"https://venue-watch.fantastic-snowstorm.workers.dev/v1/base/address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"eth":"0.012","nonce":5,"tokens":[{"symbol":"USDC","balance":"12.5"}],"address":"0x...","isContract":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s5HQX6NRFD4xYsIMdVK2V","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ETH balance, nonce, token balances, and contract status for a Base blockchain address","exampleAgentPrompt":"Can you pull up the on-chain wallet info for Base address 0xAbC123... — I need to see the ETH balance, USDC token balance, nonce, and whether it's a contract or a regular wallet.","exampleUseCases":[{"title":"Verify AI agent wallet funding","prompt":"Check the Base address 0x1234...abcd for me — I want to see the ETH balance and whether it has any USDC in it before I deploy my agent."},{"title":"Contract vs EOA address check","prompt":"I got this address 0xDeAdBeEf... from a partner — can you tell me if it's a smart contract or a regular wallet on Base, and what its current ETH balance is?"},{"title":"Pre-task nonce and balance audit","prompt":"Before I submit a task on Base, look up address 0xAaBbCc... and give me the current nonce and ETH balance so I can make sure it has enough to cover gas."}],"resultDescription":"A JSON object containing the queried address, its ETH balance (as a decimal string), the current nonce, a list of tokens with symbol and balance, and a boolean indicating whether the address is a smart contract.","failureModes":["Invalid or malformed address returns 4xx with no charge","Address not found on Base returns empty balances or error","Upstream Base RPC unavailable causes 5xx or timeout","Missing address parameter returns 4xx validation error","Non-Base (wrong chain) address lookup may return zero balances without error"],"whenToPreferThis":"Use this endpoint when you need a quick, deterministic, LLM-free lookup of on-chain state for a Base blockchain address — specifically ETH balance, token balances, nonce, and contract status. Prefer it over generic block explorers when you need a structured JSON response suitable for agent pipelines. It charges only on successful responses (bad input is not billed), making it safe for validation workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:36:41.992Z","isFirstParty":false,"canonicalSlug":"venue-watch-base-address-lookup-ef9fd478"}