For those with Apex, Java or C# background or even sporting the Salesforce Developer certifications! FinancialForce.com provides an ideal business API for its core features that is accessible to developers both on and off platform. This site has been created to assist those wanting to leverage more from the FinancialForce application. Why not subscribe to the blog rss feed to keep up to date with the latest features, tips and tricks?
FinancialForce publishes its APIs and you can find the latest guides here, along with a link to previous versions.