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Broker APIs

4 listed, each with a source and last-checked date.

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Alpaca Trading API

Broker APIsofficial
US stocks, ETFs, options, crypto
Trading: live and paper
Pricing: free IEX feed; $99/mo SIP+OPRA price from a third-party source, unverified
✓ Checked 2026-10-16

Interactive Brokers API

Broker APIsofficial
global stocks, options, futures, forex
Trading: live and paper
Pricing: IBKR Pro required for Web API; per-exchange data subscriptions price from a third-party source, unverified
✓ Checked 2026-10-16

Tradier Brokerage API

Broker APIsofficial
US stocks, options
Trading: live
Pricing: no separate data fee; $0.35 index options price from a third-party source, unverified
✓ Checked 2026-10-16

Schwab Trader API

Broker APIsofficial
US stocks, options
Trading: live
Pricing: unknown price from a third-party source, unverified
✓ Checked 2026-10-16

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