{"uid":"cap_0a59oS8lbFCNn1uIbljQr","slug":"polymarket-alpha-intelligence-via-x402-broker-4b445d87","name":"Polymarket Alpha Intelligence via X402-BROKER","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/polymarket-alpha?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","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"topic":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MF5M80uway-Ga5Lmc8LQ5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches compressed Polymarket prediction market alpha data and insights, filtered by topic, via a micropayment-gated x402 API proxy.","exampleAgentPrompt":"What does Polymarket currently say about the US election odds? Pull the latest prediction market alpha for the topic 'US election'.","exampleUseCases":[{"title":"Election probability research","prompt":"What are the current Polymarket odds on the 2024 US presidential election? Pull the latest alpha for topic 'US election'."},{"title":"Crypto market sentiment check","prompt":"What does Polymarket think about Bitcoin ETF approval odds right now? Get me the prediction market alpha for topic 'Bitcoin ETF'."},{"title":"AI policy event forecasting","prompt":"What's the market probability on Polymarket for an AI regulation bill passing this year? Fetch the alpha data for topic 'AI regulation'."}],"resultDescription":"Returns a JSON object with a 'data' field containing Polymarket alpha intelligence for the requested topic, a 'status' field indicating success ('ok'), and an 'roi_proof' object containing a compression_ratio_pct (e.g. 91.4%) demonstrating how much raw data was compressed into the response.","failureModes":["Payment not received or insufficient USDC — returns HTTP 402 with payment details","Invalid or missing 'input' object in request body — returns validation error","Topic query parameter yields no matching Polymarket markets — returns empty data object","Network or upstream Polymarket data unavailability — returns error status","Malformed method enum value — schema validation error"],"whenToPreferThis":"Choose this endpoint when you need compressed, high-signal Polymarket prediction market intelligence on a specific topic delivered via a micropayment x402 API, especially in agent workflows that handle x402/USDC payments natively on Base. Prefer this over direct Polymarket API access when you want pre-compressed alpha with ROI proof metadata or when operating in a B2A/A2A context that requires pay-per-call settlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:41:55.791Z","isFirstParty":false,"canonicalSlug":"polymarket-alpha-intelligence-via-x402-broker-4b445d87"}