How much does API usage cost?
Quandl offers both free and premium data and API usage is free for both.
Free data feeds are free to access and no paid subscription is required. It is free to use the API when downloading free data.
Premium data feeds vary in price and require a paid subscription, but there is no additional charge to use the Quandl API with premium data feeds.
You can see our collection of free and premium data on our Search page.
You can see our complete API documentation here.