Any StatsD client will work just fine, but using the Datadog DogStatsD client will give you a few extra features.
DogStatsD is an open source client we've written that accepts custom application metrics points over UDP, and then periodically aggregates and forwards the metrics to Datadog, where they can be graphed on dashboards.
Here’s a pretty standard DogStatsD setup:
Why use DogStatsD versus StatsD?
We extended the StatsD protocol to support tagging, one of Datadog’s killer features. This lets you add additional dimensions to your metrics, such as the application version, or type of customer a specific call relates to.
You can read more about our clients extra features here.