The Instagram API enables the integration of Instagram's photos\videos content and functionality into a website, application or a device. Tag specific questions about the use of Instagram API.
This tag collects questions about the use of Instagram API.
Instagram’s API uses the OAuth 2.0 protocol for simple, but effective authentication and authorization. OAuth 2.0 is much easier to use than previous schemes; developers can start using the Instagram API almost immediately. The one thing to keep in mind is that all requests to the API must be made over SSL (https:// not http://)
Official Developer Site: Link
Facebook' Instagram Graph API support: Reference