Developers use Cloud Endpoints by first deploying a service, which defines an API's behavior in the form of a service configuration file. Service configuration files follow the OpenAPI specification (formally Swagger), which outlines API endpoints in terms of the request path, parameters, methods, and request/response object structures. Additionally, developers may include API-wide or per-endpoint security definitions, allowing for a high level of granularity over API access.
By defining services with OpenAPI, Cloud Endpoints is able to provide many features on top of running applications, such as filtering invalid requests and providing per-endpoint metrics covering volume, error rates, and latency. Additionally, Cloud Endpoints ...
