The Knowledge Graph API is a RESTful API that lets developers build complex queries that can draw data from many different web resources. Data is returned in a JSON format. Currently, users do not need an API Key to make requests to the API.
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.