This is a small demo written by CloudSpokes that demonstrates some basic features of the DynamoDB. This demo loads loan data from this Kiva JSON feed into DynamoDB, displays these loans from the database, filters them by keyword, adds new records and updates existing ones. You can find the source for this demo on our GitHub repo.
You can also refresh the database with new loan data from Kiva. This will delete all of the current items in the database, grab the current loans from the Kiva JSON feed and insert them into DynamoDB.