Action Details
Requirements and how-to articles for Pinterest's action:

Requirements
You need this to get it done:

Type (required if using Open Graph)
Property (Open Graph): og:type
Description: Must take the value of "article" or "blog".
Title (required)
Property (Open Graph): og:title
Property (Schema.org): name
Description: The article title. This title may be truncated, depending on length. All formatting and HTML tags will be removed.
Description (required)
Property (Open Graph): og:description
Property (Schema.org): description
Description: The article description or summary. This may be truncated, depending on length. All formatting, line breaks and HTML tags will be removed.
URL (required if using Schema.org)
Property (Open Graph): og:url
Property (Schema.org): url
Description: Canonical URL for the page (You can also specify canonical with standard HTML markup: <link rel="canonical" href="..."/>)
Date Published
Property (Open Graph): article:published_time
Property (Schema.org): datePublished
Description: The date the article was first published. The time should be in ISO 8601 date format.
Author
Property (Open Graph): article:author
Description: The article author. All formatting, line breaks and HTML tags will be removed.
Requirements missing or found errors? Report

How-To Articles
A list of useful links for you:

0
Pinterest Help Centre - Article Pins
Official information on Article Pins.
Official
0
Pinterest Developers - Article Pins
The official technical information on Article Rich Pin properties.
Official
Link missing here or found errors? Improve How-Tos