{"slug":"agent402-tools-api-crypto-options-chain-d5da30","title":"The options chain for a currency and expiry sorted by strike","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/crypto-options-chain","category":"market","description":"The options chain for a currency and expiry sorted by strike: bid, ask, mark, mark implied volatility, open interest, 24h volume and the underlying, plus the list of available expiries. Use it when an agent is pricing a strategy, finding liquid strikes or reading the volatility smile for a specific ","price_listed":0.004,"price_asked":0.004,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":951,"reported_calls_30d":5,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"currency":"BTC","limit":20},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"currency":{"description":"BTC (default) or ETH.","type":"string"},"expiry":{"description":"Deribit expiry label like 26DEC26; omit for the nearest expiry.","type":"string"},"limit":{"description":"Rows to return (default 100, max 500).","type":"number"},"type":{"description":"Optional: call or put.","type":"string"}},"required":[]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"count":{"type":"integer"},"currency":{"type":"string"},"expiresAt":{"type":"string"},"expiries":{"items":{"type":"string"},"type":"array"},"expiry":{"type":"string"},"fetchedAt":{"type":"string"},"options":{"items":{"type":"object"},"type":"array"},"source":{"type":"string"},"underlyingPrice":{"type":"number"}},"required":["source","currency","expiry","expiresAt","underlyingPrice","expiries","count","options","fetchedAt"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.004,"price_match":true,"latency_ms":951,"error":null}],"description_full":"The options chain for a currency and expiry sorted by strike: bid, ask, mark, mark implied volatility, open interest, 24h volume and the underlying, plus the list of available expiries. Use it when an agent is pricing a strategy, finding liquid strikes or reading the volatility smile for a specific expiry.","last_updated":"2026-09-22T11:56:08.439Z","schemes":["exact","upto"]}