{"uid":"cap_2GYKlsaW3dONjhHMwwTZo","slug":"fiatdock-address-intelligence-base-eee71d8b","name":"FiatDock Address Intelligence (Base)","description":"Address intelligence on Base — EOA/contract/ERC-20 + nonce + ETH/USDC balance + keyless GoPlus security verdict (phishing/sanctioned/mixer/…). The loop input for triaging a counterparty. Pay-per-call via x402. An empty body is answered for the wallet that pays (the payment's signer); send {\"address\":\"0x…\"} for any other address.","url":"https://fiatdock.com/v1/chain/address-intel?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"address":{"type":"string","description":"A 40-hex EVM address (0x…) on Base. Omit the whole body to get the paying wallet."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"asOf":"2026-07-30T00:00:00.000Z","type":"erc20_contract","nonce":1,"token":{"name":"USD Coin","symbol":"USDC","decimals":6},"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","isErc20":true,"network":"base","summary":"erc20_contract, no GoPlus risk flags","security":{"flags":[],"source":"GoPlus","verdict":"clean","isMalicious":false},"ethBalance":"0","isContract":true,"usdcBalance":"0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0045","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":"$0.0045/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hMt4BDyIKVDds4z09UDgR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0045","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a full intelligence profile for any Base address: EOA vs. contract classification, ERC-20 token metadata, nonce, ETH/USDC balances, and a GoPlus security verdict (phishing, sanctioned, mixer, etc.).","exampleAgentPrompt":"Before I send USDC to 0x742d35Cc6634C0532925a3b8D4C9b6E1d8f1234A on Base, can you pull a full intelligence report — check whether it's an EOA or contract, its ETH and USDC balances, and whether GoPlus has flagged it as phishing, sanctioned, or a mixer?","exampleUseCases":[{"title":"Counterparty triage before payment","prompt":"I need to pay a freelancer at 0xAbCd1234567890abcdef1234567890abcdef1234 on Base — can you verify whether that address is an EOA or a contract, check its balances, and tell me if GoPlus has any security flags on it before I send the funds?"},{"title":"DeFi contract safety check","prompt":"I found a DeFi protocol at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base — can you check if it's a legitimate ERC-20 contract, pull its token details, and run a GoPlus security verdict to see if it's flagged as a honeypot or mixer?"},{"title":"Suspicious airdrop address investigation","prompt":"Someone sent me an unsolicited token from 0xDeAdBeEf0000000000000000000000000000dEaD on Base — can you pull the full address intelligence including its nonce, contract status, and any GoPlus phishing or sanctions flags?"}],"resultDescription":"A JSON object containing: timestamp (asOf), address type (EOA/contract/erc20_contract), nonce, ETH balance (wei string), USDC balance, isContract boolean, network (base), ERC-20 token details if applicable (name, symbol, decimals), GoPlus security object with verdict (clean/malicious), isMalicious boolean, and an array of risk flags (phishing, sanctioned, mixer, etc.), plus a human-readable summary string.","failureModes":["Invalid or malformed address returns a 400 error","Address not found on Base returns empty/zero balances with no flags","GoPlus service unavailability may result in missing or null security verdict","Network congestion may cause stale data (asOf timestamp may lag)","Payment failure via x402 protocol returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a single comprehensive profile of a Base address before transacting — it bundles address classification, balance lookup, and GoPlus security screening into one pay-per-call request. Prefer it over separate balance or token-metadata endpoints when triaging an unknown counterparty, auditing a suspicious address, or building an agent workflow that must gate payments on a clean security verdict.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:42:41.598Z","isFirstParty":false,"canonicalSlug":"fiatdock-address-intelligence-base-eee71d8b"}