System and method for providing content of an application programming interface server to a user computer

A system comprising:

• a user computer comprising a memory and at least one processor, the memory of the user computer storing instructions that when executed by the at least one processor of the user computer cause the user computer to:
• send a first user interface (UI) call to a first server computer system, the first UI call including an application programming interface (API) identifier and a parameter;
• and
• render a first component of the webpage using a result of an API request;
• and
• the first server computer system comprising a memory and at least one processor, the memory of the first server computer system storing instructions that when executed by the at least one processor of the first server computer system cause the first server computer system to:
• receive the first UI call;
• identify an API specification that corresponds to the API identifier from among a plurality of API specifications;
• determine, from the API specification, whether the parameter included in the first UI call conforms to the API specification;
• determine, from the API specification, a route to an API server that processes the API request;
• in response to the parameter conforming to the API specification, make the API request to the API server, the API request to the API server including the parameter included in the first UI call and routed in accordance with the route from the API specification;
• and
• receive, from the API server, the result of the API request.