{"uid":"cap_Bmo_2_pJKP-Ne3LoI7nk3","slug":"base-token-batch-screen-6a3f6af4","name":"Base Token Batch Screen","description":"Base token BATCH sell check: up to 10 token addresses in one call and one payment. For each token it simulates a small buy and an immediate sell inside eth_call (no trade is sent) and returns buy tax, sell tax, round-trip loss, flags and a plain summary; a token it cannot simulate is returned as not_simulated with the reason. Built for bots that screen many new tokens: $0.03 for up to 10 (single check: $0.005). Facts, not advice.","url":"https://base-facts.yankii.fr/v1/batch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tokens":{"type":"array","items":{"type":"string","description":"Token contract address (0x-prefixed hex, 20 bytes)"},"maxItems":10,"minItems":1,"description":"1 to 10 distinct Base token addresses"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CfNcr9ykCi0EOmgL4ClXg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Batch-screens up to 10 Base token addresses in one call, simulating buy/sell to detect honeypots, taxes, and trading risks without executing real trades.","exampleAgentPrompt":"Can you batch screen these 5 Base token addresses for honeypots and sell tax in one go: 0xAbc...1, 0xDef...2, 0xGhi...3, 0xJkl...4, 0xMno...5?","exampleUseCases":[{"title":"New token launch honeypot sweep","prompt":"I just saw 8 new tokens launch on Base in the last hour — can you batch screen all 8 addresses at once and tell me which ones have high sell tax or are honeypots? Here are the addresses: 0x111..., 0x222..., 0x333..., 0x444..., 0x555..., 0x666..., 0x777..., 0x888..."},{"title":"Meme coin sniper bot pre-trade filter","prompt":"Before my bot buys any of these 10 new Base meme coins, screen them all for buy tax, sell tax, and round-trip loss so I can skip the ones that are rugs: 0xA1..., 0xB2..., 0xC3..., 0xD4..., 0xE5..., 0xF6..., 0xA7..., 0xB8..., 0xC9..., 0xD0..."},{"title":"Portfolio entry risk check","prompt":"I'm considering buying into 6 Base tokens someone recommended — can you simulate a buy and immediate sell for each of these addresses and flag anything with a sell tax above 5% or that can't be sold: 0x101..., 0x202..., 0x303..., 0x404..., 0x505..., 0x606...?"}],"resultDescription":"For each submitted token address, returns buy tax percentage, sell tax percentage, round-trip loss, risk flags (e.g. honeypot, high tax), and a plain-language summary. Tokens that cannot be simulated are returned with status not_simulated and a reason explaining why.","failureModes":["Token address is not a valid 0x-prefixed 20-byte hex — returns validation error","Token contract not deployed on Base or is a non-standard contract — returned as not_simulated with reason","More than 10 addresses submitted — request rejected","Simulation fails due to contract logic (e.g. paused trading, blacklisted addresses) — returned as not_simulated","Payment insufficient or x402 protocol error — call rejected before processing"],"whenToPreferThis":"Use this endpoint when you need to screen multiple Base tokens in a single API call and payment, making it 6x cheaper per token than the single-token endpoint ($0.03 for 10 vs $0.005 each). Ideal for bots monitoring new token launches, sniper bots that need to pre-filter many candidates quickly, or any workflow where you have a batch of token addresses to evaluate simultaneously. Prefer the single-token endpoint only when you need trade-size-specific simulation or have just one address to check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:30:25.087Z","isFirstParty":false,"canonicalSlug":"base-token-batch-screen-6a3f6af4"}