如何通过Instagram帖子URL获取对应Facebook媒体ID？

Alright, let's break this down clearly. You're right that using endpoints like https://api.instagram.com/oembed/?callback=&url=[你的Instagram帖子链接] or appending ?__a=1 to the post URL gives you an Instagram-native media ID—but this isn't the one that links up with Facebook's Instagram Graph Insights.

Since you already have the required Facebook resources (like a linked Instagram Business account and proper API permissions), here's how to get the correct associated Facebook media ID:

• First, confirm your setup
  Make sure your Instagram account is a Business or Creator account and is linked to a Facebook Page. This is mandatory for accessing the cross-platform media IDs via the Graph API.

• Use the Facebook Graph API to fetch the linked ID
  You have two straightforward ways to do this:

  1. List all media for your Instagram Business account
     Call this endpoint (replace the placeholders with your actual IDs and valid access token):

     GET /{instagram-business-account-id}/media?fields=id,facebook_id
     

     The facebook_id field in the response is exactly the media ID you need for Graph Insights.
  2. Target a specific Instagram post directly
     First, grab the Instagram-native media ID using your existing method, then call:

     GET /{instagram-native-media-id}?fields=facebook_id
     

     This will return just the associated Facebook media ID for that specific post.

Important notes: You'll need the right permissions (like instagram_basic, pages_show_list) and a valid access token (preferably a Page access token) to make these API calls successfully.

内容的提问来源于stack exchange，提问作者Alex Harris