Invoicera is an online billing and invoicing software designed for simplicity and convenience while still providing the best invoicing features, including time tracking, invoicing and recurring invoicing, expense tracking, multiple language and currency support, and multiple payment options. Invoicera also provides an XML API for developers to use to integrate Invoicera services into other applications.
The following is a list of sample source code snippets that matched your search term. Source code snippets are chunks of source code that were found out on the Web that you can cut and paste into your own source code. Whereas most of the sample source code we've curated for our directory is for consuming APIs, we occasionally find something interesting on the API provider side of things. If you know of some sample source code that would be of interest to the ProgrammableWeb community, we'd like to know about it. Be sure to check our guidelines for making contributions to ProgrammableWeb.
The Invoicera PHP Sample Code by Invoicera demonstrates how to interact with the API to send requests and responses in XML format. API Key is required to authenticate according to the example that provides an API URL.