For integrating with REST API properly, which of the following methods allows capturing of traffic conditions?

The POST method is specifically designed for sending data to a server to create or update resources. One of its advantages is that it allows for more complex interactions, including sending data as part of the request body. This flexibility is beneficial when it comes to capturing traffic conditions or handling larger payloads of data.

When integrating with REST APIs, using POST requests helps capture and transmit specific conditions or information that might not be easily communicated through other methods. For example, you might include current metrics, status updates, or other relevant context in the body of the POST request, greatly aiding in traffic condition analysis or monitoring.

In contrast, methods like GET are more focused on retrieving data and do not typically support extensive payloads for condition capturing. PUT is generally used for updating existing resources and may not be intended for the same context as POST when considering the complexity of the data. DELETE is strictly for removing resources and does not provide a mechanism for capturing or sharing traffic conditions.

Thus, the POST method stands out as the most suitable choice for integrating with REST APIs to capture traffic conditions effectively.