The PSP Platform is a white-label platform that helps users create their own complete payment gateways capable of performing mobile transactions, currency exchanges, and more. The Basic Operations API allows users to transfer money between e-cards, check an e-card's balance, merge one e-card with another, split one e-card into two, and change the attributes of an e-card.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.