{"uid":"cap_XVp4_PyvG4KG9r4qbwWw_","slug":"sitecheck-panta-market-buy-quote-0c269d67","name":"SiteCheck Panta Market Buy Quote","description":"Pay-per-call tools for AI agents: image generation, speech-to-text, text-to-speech, embeddings, LLM chat, website audits and contact enrichment. Plus prediction-market search, briefs, quotes and unsigned buy transactions, powered by Panta. Payment: x402, USDC on Base, Solana or Arc. No signup, no API key.","url":"https://api.sitecheck-api.workers.dev/api/markets/quote?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"id":{"type":"string","description":"Panta market id (the market's event address, base58), from GET /api/markets"},"side":{"type":"string","description":"yes or no"},"wallet":{"type":"string","description":"The buyer's Solana wallet (base58). It pays and signs; SiteCheck never does."},"amountUsdc":{"type":"string","description":"USDC to spend, as a decimal string, e.g. \"5.00\""}}},"responseSchema":{"type":"json","example":{"spotPrice":0.31,"disclaimer":"Information only, not financial advice.","priceImpact":0.021,"expectedFill":{"shares":15.8,"feeUsdc":0.1,"avgPrice":0.3165}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HBEusFqPLl17OOr32NWh0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a simulated quote (expected shares, average fill price, fee, and price impact) for a YES or NO buy on a Panta prediction market for a given USDC amount — without signing or submitting any transaction.","exampleAgentPrompt":"Can you give me a quote for buying YES on Panta market ABc123...XYZ (base58 address) using my wallet 7xK...mNp and spending 25 USDC — show me the expected shares, average fill price, fee, and price impact?","exampleUseCases":[{"title":"Pre-trade slippage check","prompt":"Before I commit, can you simulate buying YES on Panta market 9xW...k3q with my wallet 4rT...pLm for 100 USDC — I want to see the expected shares, fill price, fee, and how much my buy would move the price?"},{"title":"Comparing YES vs NO buy cost","prompt":"Get me quotes for both a YES and a NO buy on Panta market BqR...7zJ using wallet 2mF...vNs and 20 USDC each — I want to compare the average fill prices and fees side by side."},{"title":"Small-stake prediction market entry","prompt":"I'm thinking of putting 5 USDC into a NO position on Panta market Ht4...8wY with wallet 6kP...rQc — can you preview how many shares I'd get and what the price impact would be before I decide?"}],"resultDescription":"Returns a quote object with: expected number of shares received, average fill price per share, total fee charged, and price impact as a percentage deviation from the current spot price — all computed off-chain with no transaction submitted.","failureModes":["Invalid or unknown market ID returns an error (market not found)","Invalid base58 wallet address causes a validation error","amountUsdc of zero or negative value rejected","side value other than 'yes' or 'no' rejected","Insufficient liquidity in the market may result in an error or extreme price impact warning","Network or worker timeout for slow market data fetches"],"whenToPreferThis":"Use this endpoint when an agent or user wants to preview the economics of a Panta prediction market trade — expected shares, fill price, fee, and slippage — without executing or signing anything. Prefer this over live execution endpoints when validating trade parameters, comparing buy sides, or building pre-trade confirmation UX. It is read-only and safe to call repeatedly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:30:04.908Z","isFirstParty":false,"canonicalSlug":"sitecheck-panta-market-buy-quote-0c269d67"}