In some implementations, a device may receive source code associated with an application program interface (API) configured to execute on a dedicated runtime infrastructure. The device may generate an executable policy document including machine-readable text based on one or more code sections in the source code that implement one or more function calls associated with one or more function call types. The device may invoke a validation utility to cross-check the executable policy document against a design document associated with the API. The device may deploy the executable policy document in a common runtime environment that includes a shared runtime infrastructure to support multiple executable policy documents based on the validation utility indicating that the executable policy document satisfies functional requirements described in the design document associated with the API.