There are fascinating and useful treasure troves of data out there, and APIs let you get at them. Here’s a look at the wide world of APIs for finding and manipulating data in your applications.

See how your savings stack up to those of typical Americans your age and learn key strategies to grow your wealth as retirement approaches.

Jae Bratton has been writing about credit cards for NerdWallet since 2022. Her work has been published in The Washington Post, the Los Angeles Times, The Associated Press and the journal Studies in ...