The Billogram Ruby SDK by Mark Birman allows to integrate invoicing services into applications. Installation is available. To configure the client, developers can insert username and password. Resources include endpoints with invoice, item, customer, event, settings, report, and logotype.
To be a successful API provider means actively engaging with your developer community to build up your ecosystem of developers and partners. This research report looks at the growth patterns of eight successful API providers and the strategies they employed to gain traction.
Fusebill, a specialist in providing tools for businesses that bill by subscription, now makes its services available through the Fusebill API. According to a review of Fusebill on the Business2Community website, the idea is to take the pain out of billing for large subscription based businesses--so the business can concentrate on the essentials of delivering their content or service, and marketing it.