In the world of application programming interfaces or APIs there are differing methods for cataloging these services in order to make them discoverable. Certainly major headlines can spread the news of an API release, but developers need unique integrations for their specific situation, which may not match the API release of the week. Thus, API directories and API-specific search engines have emerged as a win-win scenario — they help market APIs from the provider side, and help developers discover the perfect match for their systems.