Introduction · Whale Docs

Longport Whale is a SaaS securities business solution for brokers. Whale Docs is its unified documentation portal, covering the product itself, back-office operations, implementation, and three API integration paths.

Products

WhaleSDK

Whale client SDK products: graphical WhaleAppSDK (iOS, Android, and WebTrade) and UI-free WhaleCoreSDK.

BrokerAPI

Institution-grade API for Server-to-Server integration or a Broker’s self-built administration system, with Broker-scoped data and SaaS back-office capabilities.

TradingAPI

Pair the UI-free WhaleCoreSDK with client-scoped HTTP APIs when the Broker builds the securities UI in its Broker App from scratch.

OpenAPI

For Broker Clients building algorithmic trading, quantitative analysis, and AI applications, including AI-native MCP access to accounts, assets, quotes, and fundamentals.

Find your entry point

You are	Primary task	Start here
Broker decision maker / product owner	Understand Whale capabilities, scope, and go-live process	This section (Docs)
Broker implementation team	Understand business flows, prepare data, complete acceptance	This section (Docs)
Broker app development team	Integrate WhaleAppSDK or WhaleCoreSDK	WhaleSDK
Broker Developer	Build a Server-to-Server integration or a self-built Broker administration system	BrokerAPI
Broker App Developer	Build a fully custom trading UI with WhaleCoreSDK and TradingAPI	TradingAPI and WhaleCoreSDK
Developer / AI user	Build strategies and quantitative tools, or authorize AI to access your own account and market data	OpenAPI ↗

Next steps

Not sure which integration path fits? Read Integration Options.
Building a Server-to-Server integration or administration system? Head to the BrokerAPI overview.