{"uid":"cap_-ITxQAnTn-8CE3wx-V1cg","slug":"synthora-open-interest-eb2226be","name":"SYNTHORA open_interest","description":"Real-time BTC open interest, funding, and mark prices for M2M risk engines. Signed x402 call. 0.03 USDC on Base.","url":"https://open-interest.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"Real-time BTC open interest, funding, and mark prices for M2M risk engines. Signed x402 call. 0.03 USDC on Base."}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"open_interest","result":{},"receipt":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qhgQS3vRM47-Ho0G_G5UV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time BTC open interest, funding rates, and mark prices for machine-to-machine risk engine consumption via a signed x402 micropayment call.","exampleAgentPrompt":"Pull the latest BTC open interest, funding rate, and mark price from SYNTHORA for my risk engine — it's a signed x402 call at 0.03 USDC on Base.","exampleUseCases":[{"title":"Automated risk engine data feed","prompt":"Fetch the current BTC open interest and funding rate from SYNTHORA so my M2M risk engine can recalculate position limits right now."},{"title":"Live derivatives dashboard update","prompt":"Get me the latest BTC mark price and open interest data from SYNTHORA to refresh my trading dashboard."},{"title":"Funding rate arbitrage signal","prompt":"Pull the real-time BTC funding rate from SYNTHORA — I need to check if there's a funding rate arbitrage opportunity to act on."}],"resultDescription":"A JSON object containing a success flag, the niche identifier ('open_interest'), a result object with real-time BTC open interest, funding rates, and mark prices, plus a payment receipt confirming the 0.03 USDC x402 transaction on Base.","failureModes":["Insufficient USDC balance on Base — payment rejected, no data returned","Invalid or missing x402 signature — authentication failure","Upstream market data unavailable — empty result object returned","Network timeout reaching open-interest.hergertsynthora.com","Malformed input string — request rejected with error"],"whenToPreferThis":"Choose this endpoint when your M2M risk engine or trading system needs low-cost, real-time BTC derivatives metrics (open interest, funding rate, mark price) via a micropayment-gated x402 API on Base. Ideal for automated pipelines that need fresh data per-call at $0.03 per request rather than a subscription model.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:33:29.923Z","isFirstParty":false}