Abstract: The present invention is generally directed to online postage services and systems that have an online connection, and more particularly to systems and methods for enabling a shipping label service to be integrated with a third party application or website. One preferred embodiment includes a computer program product having a computer-usable medium with a sequence of instructions, which when executed by a processor, causes the processor to execute a process that provides an online postage and shipping label service. The computer program product is configured to be integrated into a third party application, and the process includes the steps of enabling a user of the third party application to purchase postage, and enabling a user to generate one or more images of one or more shipping labels via the third party application.