LSEG CodeBook


Access a cloud-hosted development environment for Python scripting, enabling you to leverage the LSEG Data Platform APIs to rapidly build and deploy models, apps and analytics that fit your workflow needs.

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Build with our open architecture

CodeBook redefines how you access, evaluate and build on the breadth and depth of our data. Whether you are a professional developer, occasional coder or have no coding skills, CodeBook offers the capabilities for you to design your own data models or access Python applications built by your colleagues – the possibilities are endless.

Available in LSEG Workspace and Eikon, CodeBook also gives you access to our APIs and platform services in a single interface so you can be even more efficient. With our data, you can build analytics, applications and other use cases that are critical for your daily workflow needs.

Features & benefits

What you get with CodeBook

Secure, zero install environment

LSEG APIs in a single UI

Web access

Seamless integration with the desktop

Rapid development

Workflow customisation

Our data

Access the LSEG Data Platform API and services in a single interface

Leverage our real-time, historical times-series, reference, fundamental, fund and economic data, as well as our research, news and analytics to reinforce your workflow needs.

  • 9.2M
    Company financial data points per year
  • 1.2M
    Equity quotes from 325 exchanges
  • 9.5M
    Fixed income securities
  • 9.5M
    Active Economic time series spanning 40 years
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Join our growing developer community

Find the tools, documentation, sample code, learning materials and community Q&A forums to help you work effectively and get the results you need from our APIs, SDKs, tools, data and capabilities.

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