The USPS Priority Mail Express International Label API allows customers to generate Priority Mail Express International labels appropriate for the weight and dimensions of the item to be shipped.
This API is part of the USPS Web Tools API library which provides access to USPS data free of charge.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.