How do I pass along my API key or authenticate with my API key?
If you are using the API, you can append your API key to your requests by using the api_key parameter:
To learn more about using the API, please see our complete API documentation here.
If you are using Python, you can set your API key as per the authentication instructions here.
If you are using R, you can set your API key as per the authentication instructions here.
If you are using the Excel Add-In, you can set your API key as per the instructions here.
Please note that you need to have a Quandl account in order to have an API key. If you do not have an account yet, you may sign up for one here. It is free to create an account and no credit card is required.
When you sign up for an account, you will be asked your purpose for using Quandl (ie. Business, Academic or Personal). Please ensure that you select the most appropriate purpose for you.
Once your account is created, you can find your API key by logging in at www.quandl.com and going to your Account Settings.