Choose by capability
Broker APIs with open interest
Compare documented broker support, then validate your instrument, dates and interval. Fixed contracts and rolling ATM-relative series are different datasets.
| Capability | ICICI Breeze | Upstox | Dhan |
|---|---|---|---|
| Historical candles | Supported | Supported | Supported |
| 1-minute data | Supported | Supported | Supported |
| Options & futures | Supported | Supported | Supported |
| Expired options | Testing | With limits | With limits |
| Open interest | With limits | Supported | Supported |
| API pricing | No API charge | Plus for expired data | Verify data plan |
| WebSocket | Supported | Supported | Supported |
| Historical depth | 3 years advertised; availability varies by contract | Minute data from Jan 2022; daily from Jan 2000 | 5 years intraday for active instruments |
| Documentation reviewed | 2026-09-26 | 2026-09-26 | 2026-09-26 |
Check the exact dataset
Retention depends on the instrument and endpoint. Your broker must grant API access. Only configurations covered by a completed live adapter test can be purchased.
- ICICI Breeze — 3 years advertised; availability varies by contract
- Upstox — Minute data from Jan 2022; daily from Jan 2000
- Dhan — 5 years intraday for active instruments