{"uid":"cap_SFsHX62MBnr1QgeTwhXbn","slug":"arc-send-guard-address-poisoning-check-6df9cf95","name":"Arc Send Guard — Address Poisoning Check","description":"Send guard for Arc: call it BEFORE sending USDC or a token. Pass ?from=<sending wallet>&to=<destination> (and &token=0x... for a token send). Returns verdict stop / check / ok with reasons: the destination is a lookalike of an address the sender really used (address poisoning), bait planted in the sender's history by a forged transfer, a token contract or the burn address, on the OFAC SDN list or USDC's own blacklist; the token is a fake USDC / EURC; or a brand-new address (check).","url":"https://apexfaucet.xyz/api/x402/arc-send-guard?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["from","to"],"properties":{"to":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"The destination address to check before sending."},"from":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"The wallet that is about to send (its own history is checked for lookalikes)."}}}}},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Gv_tL26NaCAQFdh2YOM10","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a destination address before a USDC or token send, returning a stop/check/ok verdict flagging address poisoning, blacklisted wallets, fake tokens, and other send-safety risks on Arc.","exampleAgentPrompt":"Before I send 500 USDC from my wallet 0xABC...123 to 0xDEF...456 on Arc, run a safety check on that destination — flag any address poisoning, blacklist hits, or fake token risks.","exampleUseCases":[{"title":"Safe USDC send to new recipient","prompt":"I'm about to send USDC from 0x1111111111111111111111111111111111111111 to 0x2222222222222222222222222222222222222222 on Arc — can you check if the destination is safe, not a lookalike of someone I've sent to before, and not on any blacklist?"},{"title":"Token transfer poisoning check","prompt":"I want to send this token at 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA from my wallet 0xBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB to 0xCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC — check if the destination looks suspicious or if someone planted a bait address in my history."},{"title":"Pre-send OFAC and blacklist screen","prompt":"My wallet 0xDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD is about to pay 0xEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE — can you verify the recipient isn't on the OFAC SDN list or USDC's blacklist before I confirm?"}],"resultDescription":"Returns a verdict of 'stop', 'check', or 'ok' along with a list of reasons explaining any risk flags. Reasons can include: the destination is a lookalike of a previously-used address (address poisoning), a bait address planted via a forged transfer, a known token contract or burn address, listed on OFAC SDN or USDC blacklist, a fake USDC/EURC token contract, or a brand-new address (triggering 'check').","failureModes":["Missing required 'from' or 'to' query parameters — returns error","Invalid address format (not a valid 0x hex address) — returns validation error","Payment not included or insufficient — returns 402 Payment Required","Destination address not resolvable on Arc — may return incomplete check","Network or upstream data source unavailable — may return degraded verdict"],"whenToPreferThis":"Use this endpoint specifically when operating on the Arc network and needing a pre-send safety check that covers address-poisoning lookalikes, forged-transfer bait addresses, OFAC/USDC blacklists, and fake stablecoin contracts in a single call. Prefer it over generic wallet-screening tools when the sender's own on-chain history needs to be cross-referenced for lookalike detection, or when the token being sent needs to be verified as genuine USDC/EURC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:35:38.187Z","isFirstParty":false,"canonicalSlug":"arc-send-guard-address-poisoning-check-6df9cf95"}