Using Global Phone Validate is as simple as constructing a URL. We support both asynchronous and synchronous communications. Each integration has its own advantages and disadvantages, depending on the usage scenario.
With asynchronous integration, you can fire your request to the Global Phone Validate service without having to wait for the result to return. The result can be retrieved from the service later, providing more flexibility.
Note that the result will be removed if it is not accessed within 5 minutes. Also, you may have to make several attempts to retrieve the results if there is a delay in retrieving them back.
In contrast, with the synchronous integration when a request is fired to the Global Phone Validate service, you will receive your result within the request call itself. Therefore, you have to wait for the request to finish processing before you can continue with the workflow.