You need this to get it done:
Action DetailsRequirements and how-to articles for Pinterest's action:
Maximum CPC Bid
The maximum CPC (cost per click) bid for your Promoted Pin.
Choose languages for your Promoted Pin.
Choose the devices you want to target (e.g. web, mobile web, iPhone, etc.)
Choose the genders you want your Promoted Pin to reach.
Billing Information/Payment Details
Your payment details (you only pay when people visit your website.)
Choose whether you want to run an engagement campaign or traffic campaign.
A name for your campaign.
Either your daily or lifetime budget.
Choose how long you want your campaign to run for. A start date is required, but you can leave the end date blank.
Select the pin you wish to promote.
Promoted Pin Name
The name for your Promoted Pin.
The link you want to take users to when they click your pin (if left blank, it will have the same destination URL as the original pin.)
The target audience for your Promoted Pin. You can target a group of people based on site visitors, a list of customers you can upload, or a lookalike audience that is similar to one you already have.
Select interests relevant to your Promoted Pin (e.g. technology, fashion, art, etc.) Major categories can be broken down into minor ones.
Add keywords so that your Promoted Pin shows up in search results.
Choose locations for your Promoted Pins to appear.