x402stock

https://agents.x402stock.xyz/api/v1/options/:ticker

The options chain for a US-listed underlying: every listed contract with its strike price, expiration date, call or put type, exercise style, contract ticker, and shares per contract. Filter with ?expiration_date=YYYY-MM-DD, ?contract_type=call|put, ?strike_price=, ?expired=true|false, and ?limit=. Use to discover which option contracts exist before pulling price history. From x402stock