The IPUMS API Beta Program

Many of our data collection APIs has a beta version which contains features that are not yet considered to be stable. We have a beta program for users who wish to experiment with our beta APIs.

Enabling an IPUMS Account for the API Beta Program

Access to beta APIs is limited on an invite-only basis. Accessing a beta API requires that the user is using a key that has been enabled for beta access. Please send a request to with the subject “Join API Beta Program” and we’ll do our best to get back to you as soon as we can.

Accessing the Beta API

Once your account has been enabled for beta APIs, to access the beta API simply use version=beta as your version value. For example,