Checks whether the given domain is available for purchase.
You can purchase the specified domain in case the returned
availability.available boolean is true. The domain is already taken
when false is returned.
The domain field must include the TLD. For example, my-new-domain.com.
Important: This call requires an account level API key and cannot be authenticated with the standard authorization header.
Domain name. Must include the TLD. For example, my-new-domain.com. Only
alphanumeric characters, hyphens, and dots are supported.
Min: 3 characters Max: 63 characters