{"uid":"cap_M0bGlTHFplhAgAlRW5h-j","slug":"synapse-options-chain-e298a02b","name":"Synapse Options Chain","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/options-chain?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":2,"options":[{"type":"put","strike":"73000","mark_iv":40.62,"instrument":"BTC-27NOV26-73000-P","open_interest":621.2}],"currency":"BTC"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hVK69EjCyQGOHbpiPLnrh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current options chain (calls and puts with strike prices, mark IV, open interest) for a cryptocurrency like BTC","exampleAgentPrompt":"Pull the current BTC options chain so I can see all the available puts and calls with their strike prices, implied volatility, and open interest.","exampleUseCases":[{"title":"Scanning BTC options for trading setups","prompt":"Show me the full Bitcoin options chain right now — I want to see the strike prices, whether they're puts or calls, the mark implied volatility, and open interest for each contract."},{"title":"Monitoring crypto options market sentiment","prompt":"What does the current BTC options market look like? I need the open interest and implied vol across all strikes to gauge where the market is positioned."},{"title":"Researching crypto derivatives for a report","prompt":"Can you pull the BTC options chain data including instrument names, strike prices, put/call type, and mark IV? I'm compiling a derivatives market overview."}],"resultDescription":"Returns a JSON object with a count of options contracts, the base currency (e.g. BTC), and an array of option records each containing: instrument name, type (put/call), strike price, mark implied volatility (mark_iv), and open interest.","failureModes":["Missing or invalid query parameters may return an empty or malformed response","Service may be temporarily unavailable on the duckdns domain","Payment failure via x402 protocol will block access","No ticker or currency parameter documented — may return a fixed currency only","Stale data if underlying data provider is delayed"],"whenToPreferThis":"Choose this endpoint when you need real-time cryptocurrency options chain data (strike prices, implied volatility, open interest) paid per-call with no API key or account required, using USDC micropayments on Base via x402. Ideal for agents that need sporadic, on-demand derivatives market data without a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:13.242Z","isFirstParty":false,"canonicalSlug":"synapse-options-chain-e298a02b"}