Just in time assembly of transactions

A computer program product comprising:

• one or more computer readable storage media and program instructions stored on the one or more computer readable storage media, the program instructions comprising:
• program instructions to dynamically determine one or more endpoints to fulfill a user request;
• program instructions to select the dynamically determined one or more endpoints as the one or more endpoints that fulfill the user request;
• and
• program instructions to execute the selected one or more endpoints to fulfill the user request.

A computer system for comprising:

• one or more computer processors;
• one or more computer readable storage media;
• and
• program instructions stored on the one or more computer readable storage media for execution by at least one of the one or more computer processors, the program instructions comprising:
• program instructions to dynamically determine one or more endpoints to fulfill a user request;
• program instructions to select the dynamically determined one or more endpoints as the one or more endpoints that fulfill the user request;
• and
• program instructions to execute the selected one or more endpoints to fulfill the user request.