When working with APIs, it's essential to know how to efficiently return the ID of an object created. This can be useful for tracking, referencing, or further manipulation of the created object. There are a few strategies to achieve this, depending on the design of the API and the response format. One commonly used approach is to include the ID in the response payload when the object is created. This allows the client to immediately access the ID without making an additional request. For example, after sending a POST request to create a new object, the API might respond with a JSON payload that includes the ID of the newly created object. This allows the client to capture the ID and use it as needed. Another approach is to provide a separate endpoint or method to retrieve the IDs of recently created objects. This can be useful in scenarios where the IDs are not immediately available in the response payload. The client can then make a subsequent request to fetch the ID of the created object. In both cases, it's important to consider error handling and edge cases. For instance, if the creation of the object fails, the API should provide an appropriate error response that includes relevant details. Additionally, the API documentation should clearly outline the expected behavior for returning object IDs. When designing or working with APIs, it's crucial to consider how object IDs are returned to clients. Providing a clear and efficient way to access the IDs of created objects can streamline development and ensure a seamless integration with the API. By following best practices and understanding the available options, developers can effectively handle object creation and retrieval in API responses.