The Zirra Conventions Curl Sample Code includes date-times according to the ISO 8601 standard. Return values will always be a full UTC date and time. Arguments passed in are valid so long as at least a date is parsable.
If you know how to develop mashups then you may be in line to win some very big prizes. To get a sense of just how much money and how many prizes, take a look at the ProgrammableWeb Contest Guide and you'll find that there have been more than 45 mashup contests thus far.
Eighteen APIs have been added to the ProgrammableWeb directory in categories including Financial, Blockchain, and Recreation, and Movies. Highlights include the Play.tv API for video game streaming and the Boundless AI API for predicting user behavior. Here's a rundown of the latest additions.