#1 - Aug. 7, 2012, 3:16 p.m.
Here are some helpful links to get you started.
Third-Party API Usage Policy - http://us.battle.net/d3/en/forum/topic/6248126731
API Documentation - http://blizzard.github.com/d3-api-docs/
See Also
- The World of Warcraft Community Platform API Forum - http://us.battle.net/wow/en/forum/2626217/