We are planning to add three new IP addresses to our existing production outbound IPs. We understand that many of you may have whitelisted our current IP addresses on your firewalls. To ensure a smooth transition and prevent any service interruptions, we are announcing these new IPs in advance.

The new IP addresses are:
34.86.60.143
34.21.95.255
35.186.183.105

Our existing IP address, 35.245.156.189, will remain active.
Please ensure that these new IP addresses are whitelisted on your firewalls by 2nd July 2025 to avoid any potential connectivity issues when these changes go live.
If you have any questions or require further clarification, please reach out to your customer success manager or our support team at [email protected]

Added support for applying commissions to crypto orders via the API. This enhancement allows brokers to charge a specified amount per order, denominated in the quote currency of the trading pair, using the notional commission model.

📔 Documentation

You can follow the documentation in the Broker API Crypto Trading Page.

• CUSIPs have been added to all corporate action types in the corporate actions endpoint. For example reverse splits now have old_cusip and new_cusip.
• The cusips filter has been added to the corporate actions endpoint that can be used to query corporate actions by CUSIP.
• CUSIP has been added as a field for non-trade activities in both the NTA SSE and activities endpoint
• CUSIP has been added as a field in the asset api
• CUSIP is now a valid path parameter when filtering assets by id

Please note that additional licenses will be required to enable some of the items stated above. Please contact your Alpaca sales representative for further details

<> API Reference

• Subscribe to Trade Events (SSE) is updated to include below fields
  • Added position_intent/expires_at fields under order field
  • Added swap_rate field

Multi-leg (Level 3) options are officially LIVE in our Trading API and dashboard 🎉

You can now trade advanced options trading strategies including: straddles, strangles, iron butterflies, iron condors, and various spreads (like credit, debit, and calendar).

These advanced strategies may help investors:

1. Capitalize on market volatility, range-bound price movements, and directional trends.
2. Increase efficiency by combining multiple options contracts into one single trade.
3. Improve risk management by ensuring all legs are executed simultaneously– shielding them from partial fills and unexpected market shifts.

And with multiple paper accounts, you can test various strategies at the same time before taking them live.

Start trading multi-leg options with Alpaca: https://bit.ly/3COa6Re

📔 Documentation

• Introduce an Multi-leg (Level 3) Options Trading Guide
• Learn about the differences between an iron condor and iron butterfly

<> API Reference

• Place Multi-leg Orders: Submit multi-leg orders via the POST /orders endpoint, where you’ll also find examples.
• Use Our SDKs: Get started quickly with alpacahq/alpaca-py or alpacahq/alpaca-trade-api-go .

Price band protection introduced to prevent trades from executing outside a predefined percentage range around an external reference price.

Order Validation Updates
Orders that would execute at an invalid price will be automatically canceled.

Reject Reasons Updates
Orders may now be canceled with the following reasons:

1. canceled due to reference price stale – Order was canceled because the reference price used for price band validation was outdated.
2. canceled due to price band protection. Index price: <index_price> Price band: <price_band>%, Rejected price: <maker_order_price> – Order was about to execute at a price exceeding the allowed range

• SSE comment message descriptions and examples are added to the documentation also added to the API reference
• A new action type (error) added for a few Trade API WebSocket streams documentation

<> API Reference

• A new id field has been added to all corporate action types in the response of the Corporate Actions endpoint.
• The ids filter has been added to the same endpoint that can be used to query corporate actions by ID. This filter is mutually exclusive to the other filters (e.g. symbols, types) and the number of IDs queried must be less than or equal to the limit.

Multi-leg (Level 3) Options are now available in Trading API and dashboard in Paper 🎉

With Level 3 options trading, you can trade multi-leg strategies like: straddles, strangles, iron butterflies, iron condors, and spreads to capitalize on specific market volatility, range-bound price movements, and directional trends.
This may help traders:

1. Increase efficiency by combining multiple options contracts into one single trade.
2. Enhance risk management by ensuring all parts of their strategy are executed simultaneously– protecting traders from partial fills and market movement.

📔 Documentation

• Introduce an Multi-leg (Level 3) Options Trading Guide
• Learn about the differences between an iron condor and iron butterfly

<> API Reference

• Place Multi-leg Orders: Submit multi-leg orders via the POST /orders endpoint, where you’ll also find examples.
• Use Our SDKs: Get started quickly with alpacahq/alpaca-py or alpacahq/alpaca-trade-api-go .

Added a sentence “ On all orders (regardless of commission type), the commission charged will be prorated on each execution if the order has multiple executions. For instance, if 10% of the order is filled on one execution then the commission on that execution will be 10% of the total commission.”