{"uid":"cap_V5_poTbW18tEDBvTKQIzY","slug":"speraxos-four-meme-quote-buy-762f7f82","name":"SperaxOS Four.meme Quote Buy","description":"AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.","url":"https://chat.sperax.io/api/x402/tools/four-meme/quoteBuy?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"fundsWei":{"type":"string","description":"BNB amount to spend in wei (use \"0\" or omit if buying by amount)."},"amountWei":{"type":"string","description":"Token amount to buy in wei (use \"0\" if buying by funds instead)."},"tokenAddress":{"type":"string","description":"BSC token contract address (0x…)."}}},"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_Zfl-NTk-9T0muOxpKVZcj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a price quote for buying a token on Four.meme (BSC) given either a BNB spend amount or a token amount to receive.","exampleAgentPrompt":"Get me a buy quote on Four.meme for the BSC token at 0x1234...abcd — I want to spend 0.1 BNB (100000000000000000 wei) and see how many tokens I'd receive.","exampleUseCases":[{"title":"Pre-trade cost estimation for meme token","prompt":"Before I buy, quote me how many tokens I'll get for spending 0.05 BNB (50000000000000000 wei) on the Four.meme token at address 0xABC123... on BSC."},{"title":"Reverse quote by token amount","prompt":"I want exactly 1,000,000 tokens (1000000000000000000000000 wei) of the BSC token 0xDEF456... on Four.meme — how much BNB will that cost me?"},{"title":"DeFi agent price monitoring before execution","prompt":"Check the current buy quote on Four.meme for BSC token 0x789GHI... — I'm spending 0.2 BNB (200000000000000000 wei) and want to know the token output before my agent pulls the trigger."}],"resultDescription":"A structured quote response indicating how many tokens would be received for a given BNB spend, or conversely how much BNB is needed to acquire a specified token amount on Four.meme, including pricing and exchange rate details.","failureModes":["Invalid or non-existent BSC token contract address returns an error","Both fundsWei and amountWei set to non-zero may cause ambiguous request","Token not listed on Four.meme returns not-found or unsupported token error","Extremely small or zero amounts may return invalid input error","Network or RPC issues on BSC may cause timeout or unavailable response","Payment via x402 with insufficient USDC balance will block the request"],"whenToPreferThis":"Use this endpoint when you need a real-time buy quote specifically for tokens traded on the Four.meme launchpad/DEX on BSC, and want to pay per-call with USDC via x402 without managing API keys. Prefer this over generic DEX aggregators when targeting Four.meme's specific liquidity pools and pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:35:41.747Z","isFirstParty":false,"canonicalSlug":"speraxos-four-meme-quote-buy-762f7f82"}