{"uid":"cap_syr0_YNhd4cVhwZLvsQ-5","slug":"desk-lead-x402-pm-digest-88fa66d2","name":"DESK LEAD x402 – PM Digest","description":"Micropay research APIs (x402 v2 + bazaar). Free catalog at /.well-known/x402.json. Primary v2 accepts: Base eip155:8453 only. Legacy X-PAYMENT-TX still supports bsc|base via acceptsV1. Headers: X-PAYMENT-TX, X-PAYMENT-NETWORK, PAYMENT-SIGNATURE. No financial advice.","url":"https://desk-x402.desk-x402-gh.workers.dev/v1/pm-digest","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"digest":{"sources":["polymarket","kalshi"]},"product":"pm_digest"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_v8bGav-khtHz8-k95POWs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a digest of prediction market data aggregated from sources like Polymarket and Kalshi, accessed via x402 micropayment","exampleAgentPrompt":"Can you pull today's prediction market digest aggregating data from Polymarket and Kalshi? I want a cross-platform summary of current market activity.","exampleUseCases":[{"title":"Daily prediction market briefing","prompt":"Give me a digest of what's happening across Polymarket and Kalshi right now — I want a combined summary of the most active prediction markets today."},{"title":"Research for event probability analysis","prompt":"I'm researching the probability of upcoming political events — can you fetch the prediction market digest from Polymarket and Kalshi so I can compare how the platforms are pricing those outcomes?"},{"title":"Automated market monitoring for trading bot","prompt":"My trading bot needs a fresh snapshot of prediction market data aggregated from Polymarket and Kalshi — can you retrieve the PM digest so it can update its positioning?"}],"resultDescription":"Returns a JSON object with an 'ok' status flag, a 'digest' object listing the aggregated sources (e.g. Polymarket, Kalshi), and a 'product' identifier ('pm_digest'). The digest provides a cross-platform summary of prediction market data pulled from multiple sources.","failureModes":["Payment not included or invalid: 402 Payment Required — must include valid X-PAYMENT-TX header with 1 USDC on Base (eip155:8453)","Unsupported network: payment on non-Base network rejected by v2 endpoint (BSC only supported via legacy acceptsV1 path)","Invalid or missing PAYMENT-SIGNATURE header: authentication failure","Upstream source unavailability: Polymarket or Kalshi data may be partially unavailable, resulting in incomplete digest","Rate limiting or quota exceeded: repeated calls without valid fresh payment transactions rejected"],"whenToPreferThis":"Choose this endpoint when you need a single aggregated digest of prediction market data spanning both Polymarket and Kalshi, and you are comfortable paying $1 USDC per call via the x402 micropayment protocol on the Base blockchain. It is ideal for research agents, trading bots, or analysts who want cross-platform prediction market coverage without querying each exchange separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:08.807Z","isFirstParty":false}