The Khipu Ruby SDK by Khipu allows developers to integrate the Khipu API's methods into their Ruby applications. Usage examples are included in the documentation.
The World Wide Web Consortium (W3C) has formed a Web Payments Working Group to develop recommendations that will "make payments easier and more secure on the Web."
OFX, a foreign currency exchange company, last week announced that its OFX Developers program has exited beta and is now open to all developers. OFX Developers offers a Payments API that gives developers 24/7 access to the global currency markets at rates more competitive than banks'.
