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Market & alternative data

Hosted financial and alternative datasets behind one API

What it is

A hosted catalog of financial, economic, and alternative datasets, offered as a REST API with client libraries for Python, R, Excel, and other languages. The official Python client loads time-series datasets and non-time-series tables into pandas DataFrames after an API key is set. Developers and researchers who want one key for that vendor catalog are the audience. Calls without a key are limited, and the figures stay on the hosted service rather than inside an offline library.

At a glance

Worth watchingOur rating, based on popularity, maintenance and how ready it is for real use.

Best forProfessional quants
Used forData source, Data analysis
MarketsUS equities, Multi-market
StackPython
Learning curveEasy to start
Practical valueHigh practical value
CostFree, with paid APIs
HardwareNo GPU needed
In the author's words

Financial data API with support for R, Python, Excel, Ruby, and many other languages (formerly Quandl).

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