This is present in the root of the document, and contains general information regarding your service.
info: version: 1.0.1 title: Currency Converter description: This is a sample currency converter service contact: name: John Doe url: https://support.example.com email: email@example.com license: name: MIT url: https://opensource.org/licenses/MIT
|Required. The version of your service. It MAY indicate whether this is an alpha or a beta version as well|
|Required. A human friendly title for your service|
|Required. A human friendly description for your service|
|A contact object, describing the person or company to contact|
|Required. A license object, describing the use of your service by others|