What is a map unit?
A map unit is defined a as a single 256x256 raster map tile with a single layer. Whether you're using interactive map tiles or a static raster map, the...

What data sources are used for Maps?
We use a variety of data sources including government sources around the globe, proprietary services, personal weather stations, and public data. Our forecast layers use several forecast models including NDFD,...

How can I lower my map units?
There are many factors to consider if your AMP usage is higher than anticipated. Most of the time there are a handful of updates that can be made to help...

What is my map unit per minute limit?
The number of map units you can access per minute will vary based on your daily limit.  Daily Limit Accesses per Minute 10,000 100 50,000 500 100,000 1,000 250,000 1,250 If your daily limit is not listed,...