Capsule is an online CRM used to track contacts, manage sales and projects. The API allows a user-friendly and intuitive way for developers to interface with the Capsule system. The Capsule API is implemented in a RESTful style using XML or JSON over HTTP and now offers OAuth2 authentication.
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.