U.S. options API

U.S. Options Data APIs

One OptionData key for licensed U.S. equity options: live tape, SQL history, full chains, and market-structure snapshots.

Use streaming for live trades, SQL for trade history, REST chains for contract snapshots, and Market Structure for precomputed GEX and positioning levels.

Choose the API for your workflow

Pick the right OptionData API for the job.

Live flow

WebSocket for scanners and alerts.

History

SQL for 美股期权历史数据 and backtests.

Chains

REST full chain with Greeks and IV.

Structure

GEX, walls, max pain snapshots.

Who these APIs help

Quant and prop teams needing licensed U.S. options
Fintech products embedding options data
Desks comparing flow vs multi-asset vendors
Developers who prefer a Chinese product interface
Integrators who want one key, not four vendors
Start: /docs/ or 14-day trial

One key, four endpoints

// One key → four surfaces
// 1) wss://ws.optiondata.io  real-time trades
// 2) POST /api/historical/sql  history
// 3) POST /api/option-chain  chains
// 4) GET /api/v1/market-structure/:symbol  GEX

Explore each data workflow

Open the product workspace that matches your data needs.

U.S. options API FAQ

What does 美股期权 API mean here?

APIs that deliver U.S. equity options market data. OptionData provides OPRA-licensed trades, history, chains, and structure under one commercial plan.

Where do Chinese users start?

Select the data workflow you need and open its workspace with ?lang=zh. Review self-service eligibility before completing qualification and activating a trial.

Is the product interface available in Chinese?

Yes. Select Chinese in the site navigation. API identifiers stay unchanged; documentation is currently available in English and is labeled accordingly.