Data Trends for Investment Professionals


Change to Quandl API Limits

We have made changes to our API limits as of November 21, 2016 at 8AM EST. Users of the Quandl API may be affected by these changes. Specifically, because of unsustainable usage levels, we are now prohibiting simultaneous API calls from a single user. New API Limits Registered users are now limited to one API request at a time, with additional requests being throttled until the first request has been returned. These changes will not impact subscribers of premium databases on Quandl. Open Database Users Premium Database Subscribers Concurrent calls to the API prohibited Concurrent calls to the API permitted (unchanged) 50,000...

API for Stock Data

Quandl offers a simple API for stock market data. The API delivers end-of-day prices, harmonized fundamentals, financial ratios, indexes, options and volatility, earnings estimates, analyst ratings, investor sentiment and more. Example Calls AAPL stock price: Free: Premium: AAPL revenue: Free: Premium: Sign up for a free API key To find the data you need, use the guide below or use our data browser. Use our quick start guide to learn our API syntax, or go to our documentation portal for a full reference. If you prefer, you can get data via our libraries for Python, R,...

Getting Started with the Quandl API

Every single dataset on Quandl is available via our API. The API is simple, consistent and completely free to use. Here's a quick and easy guide to get you started. This is not meant to be a formal reference for the Quandl API; merely a quick-start guide. To read the complete and definitive documentation, please click here. To start using the Quandl API: Sign up for a free API key Synopsis Here is an API call for FB stock data in CSV format: Here is the same call, with some additional parameters appended: The second call gets FB stock...

API for Global Stock Data

Quandl now offers API access to stock prices from India, China, Japan and other countries. Quandl also provides stock fundamentals, sentiment, corporate actions and other extended equity data for global stock markets. (more…)

API for Zacks Earnings Data

Zacks Earnings Data via the Quandl API This document explains how to access Zacks consensus earnings estimates and earnings surprises data via the Quandl API. It supplements Quandl's general API documentation with examples specific to Zacks. (more…)

API for Currency Data

Using the Quandl API for Currency Data This document is a comprehensive guide to using the Quandl API to access our free currency and exchange rate data. If you haven't already done so, we recommend reading Quandl's general API documentation; the functionality will be a lot clearer if you do so. To start using the Quandl API: Sign up for a free API key Find the data you need: use the list below or use our search page. Start making calls: use our API reference page to learn the syntax. (more…)

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