Use the Sorting Office API by OpenAddresses UK to automatically format postal addresses. The API uses POST over HTTPS with returns in JSON to format addresses in a way that mirrors BS7666. Sorting Office's dependencies include MongoDB and Elasticsearch. After installing the Sorting Office API be sure to read the submission guidelines for protecting privacy and consent to open data policies.
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.