CTRL+F for: Linking to the websites and embedding content

Quote: "Certain Services may provide you with the ability to embed Content into other web pages, such as features of the NHL Network Online and the Team video players at nhl.tv that enable you to embed NHL video into your blog, fan site or other web page. All use of embedded Content must be for non-commercial purposes only, and may be disabled by the NHL Parties at any time. Prohibited commercial uses include any of the following actions taken without the express approval of the NHL Parties: "

That sounds like it would cover the API even if it's not mentioned explicitly.