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

paid action
Create a carousel ad to appear in between user's stories. Carousel ads can contain a mixture of both images and videos, and there are two different types of carousel ads: native and expandable.

Requirements
You need this to get it done:

Facebook Page
Instagram uses the same advertising tools as Facebook, so a Facebook page is required in order to use the Ads Manager.
Instagram Business Profile
In addition to a Facebook Page, an Instagram Business profile is also required in order to be able to run ads on Instagram.
Image Card(s)
Minimum number of cards: 2
Maximum number of cards: 3 if native/10 if expandable
Ratio: 9:16
Recommended resolution: 1080 x 1920 pixels
Video Card(s)
Minimum number of cards: 2
Maximum number of cards: 3 if native/10 if expandable
Ratio: 9:16
Recommended resolution: 1080 x 1920 pixels
Maximum video length: 15 seconds (60 seconds for prompted)
Marketing Objective
The following objectives are compatible with Instagram Stories Image Ads:
Reach
Traffic
Conversions
App Installs
Lead Generation
Brand Awareness
Video Views
Target Audience
Choose the target audience for your ad (gender, age, location, interests, etc.)
URL
The link you wish to include in your ad (where you would like to send your audience to.)
Call to Action
The following calls to action are compatible with Instagram Stories Ads:
Apply Now
Book Now
Contact Us
Download
Learn More
Get Showtimes
Get Quote
Request Time
See Menu
Shop Now
Sign Up
Watch More
Listen Now
Subscribe
Duration and Budget
Choose how long you want your ad to run and what your budget is.
Payment
Choose currency, enter payment details and pay.
Requirements missing or found errors? Report

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

0
Instagram Business - Instagram Stories
How to make use of Instagram Stories and Stories Ads as a brand/business.
Official
1
Official
0
Facebook Ads guide - Instagram Stories Ads (Carousel)
Creative specs and technical requirements for Carousel Stories Ads on Instagram.
Official
0
Instagram Business - Carousel Ads for Stories
Official information on Instagram Stories Carousel Ads (including the differences and similarities between native and expandable stories.)
Official
Link missing here or found errors? Improve How-Tos