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Clear Street API review

#20 of 34 in Investment APIs

Enterprise brokerage APIs with trading, account, portfolio and risk capabilities.

7.4/10Editor score
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Clear Street API7.4 Visit Clear Street

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Clear Street API is brokerage infrastructure delivered through the Clear Street Studio platform. It targets sophisticated traders, hedge funds, family offices and asset managers that need programmatic account, trading, custody and portfolio workflows. REST APIs cover securities and digital-asset account creation, order submission and management, positions, holdings and P&L. WebSocket interfaces stream activity and position updates, while Studio also offers web and desktop applications for teams that need an interface alongside APIs.

Pricing follows a contact-sales model, with prospects directed to request a demo rather than select a published tier. The platform separates production and demo environments, giving development teams a dedicated space before deployment. OAuth2 client-credentials authentication with JWT bearer tokens handles applications connecting to Clear Street APIs; it is not an OAuth connection layer for linking outside brokerage accounts. Python and TypeScript SDKs are listed, and cloud and desktop deployment options fit organizations combining services with Studio applications. Documentation and email are the stated support channels.

The standout breadth is its combination of trading operations and portfolio intelligence. Teams can submit, update, cancel and list orders, retrieve custodial holdings, and access financing, margin, risk and P&L analytics through one brokerage-oriented stack. That makes Clear Street API a fit for enterprise teams building or extending brokerage, asset-management or trading systems that require sandbox access and streaming updates. Organizations seeking self-serve pricing, broad prebuilt language coverage or connections to third-party brokerage accounts should look for an alternative designed around those requirements.

Clear Street API pros and cons

  • Where it wins
    • REST and WebSocket APIs cover orders, accounts, holdings and P&L
    • Separate demo and production environments support staged integration
    • Portfolio, margin, risk and P&L analytics extend beyond order execution
  • Where it doesn't
    • Pricing requires contacting sales rather than choosing a published plan
    • OAuth2 authenticates Clear Street applications, not linked third-party brokerages
    • Published SDK options are limited to Python and TypeScript

Clear Street API fact sheet, pricing and score →

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