{"uid":"cap_fjiO-Xls6k0vWTq4wTh1E","slug":"hars-zero-polymarket-market-brief-e9d39407","name":"HARS-Zero Polymarket Market Brief","description":"HARS-Zero Polymarket signal: market-brief","url":"https://hars.cryptotavern.xyz/paid/market-brief?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["markets"],"properties":{"markets":{"type":"array","items":{"type":"object","required":["slug","question","volatility","spread_bps","volume_24h"],"properties":{"slug":{"type":"string","description":"Market identifier slug"},"no_price":{"type":"number","description":"Current NO probability (0–1)"},"question":{"type":"string","description":"Market question text"},"yes_price":{"type":"number","description":"Current YES probability (0–1)"},"spread_bps":{"type":"number","description":"Bid-ask spread in basis points"},"updated_at":{"type":"string","description":"ISO-8601 timestamp"},"volatility":{"type":"number","description":"Volatility score 0–1"},"volume_24h":{"type":"number","description":"24h volume in USDC"},"narrative_tags":{"type":"array","items":{"type":"string"}}}},"description":"Array of up to 20 market objects"},"generated_at":{"type":"string"}},"description":"Top 20 active Polymarket markets with volatility + spread + volume."},"responseSchema":null,"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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_H7KCzjjXUTQHlHDGDxSDX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a concise AI-generated signal brief summarizing current Polymarket prediction market activity and trends","exampleAgentPrompt":"Can you pull the latest HARS-Zero market brief for Polymarket and show me the top 5 signals?","exampleUseCases":[{"title":"Morning Polymarket prediction market briefing","prompt":"Before I start trading today, pull me the latest Polymarket signal brief and summarize what the most significant market movements or trends look like right now."},{"title":"Crypto event-driven trading alert","prompt":"I want to stay on top of prediction market sentiment around crypto — can you grab the current HARS-Zero Polymarket brief and flag any signals that look like they could impact my positions?"},{"title":"Weekly prediction market trend report","prompt":"Put together a quick overview of what's been happening on Polymarket this week using the latest HARS signal brief — highlight any standout events or shifting market probabilities I should know about."}],"resultDescription":"Returns a structured market brief object containing a count of market items, an array of Polymarket market signal items, a product identifier, and a generated_at timestamp indicating when the brief was produced — essentially a snapshot summary of current Polymarket prediction market signals.","failureModes":["Payment not included or invalid x402 payment header — returns 402 Payment Required","Polymarket data unavailable or stale — may return empty items array","Rate limiting if called too frequently","Network timeout if upstream Polymarket data feed is slow"],"whenToPreferThis":"Choose this endpoint when you need a quick, pre-processed AI signal brief about current Polymarket prediction market conditions without building your own Polymarket data pipeline. Ideal for agents that need to summarize or act on prediction market intelligence on demand, especially in crypto trading or event-driven automation contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:32:36.218Z","isFirstParty":false,"canonicalSlug":"hars-zero-polymarket-market-brief-e9d39407"}