Let’s Get Started The SA Forum specifications may be downloaded and implemented at no cost in products designed for resale, subject to the terms of the Service Availability Forum Licensing Agreement. The Application Interface Header File information has been extracted from the specifications into a .h file format for easier implementation. The header files may be downloaded, compiled and implemented at no cost in products designed for resale, subject to the terms of the Service Availability Forum Licensing Agreement. Download the SA Forum specifications now.