API management solution

Due curiosity tried to understand API Management Solution(AMS) is, found few good pieces.

What AMS tools available in market:

http://www.mashery.com/

http://www.3scale.net/

http://apiaxle.com/

http://apigee.com/

https://code.google.com/p/varnish-apikey/

http://www.webservius.com/

http://apigrove.net/

What your AMS should provide:

http://techcrunch.com/2012/11/11/5-rules-for-api-management/

As a developer what are guidelines you need to follow:

http://www.3scale.net/2010/09/api-design-development-selected-resources/

Your enterprise APIs are free but different to track, you want to charge for your API usages, check http://blog.maartenballiauw.be/post/2012/01/20/Tracking-API-usage-with-Google-Analytics.aspx

Comments invited :) !