Last week marked an important milestone for the “Web as Platform” as the 1,000 API was added to the ProgrammableWeb registry. John Musser (see: Web2.0 Report) started tracking the first few web service API’s back in 2005.

How do these 1000 APIs break down by type? The following chart, derived from our database, shows the the top 15 sectors or markets with the greatest number of competing API providers. As you can see there are already 71 mapping-related APIs alone”