You can get the BuddyPress Giphy data on the “bp_giphy” key of the BuddyPress/BuddyBoss “activity” Rest API.
The Gif Post

{
"user_id": 1,
"component": "activity",
"content": {
"rendered": ""
},
"date": "2023-04-26T07:37:03",
"date_gmt": "2023-04-26T07:37:03",
"id": 801,
"link": "http://buddypress.local/activity/p/801/",
"primary_item_id": 0,
"secondary_item_id": 0,
"status": "published",
"title": "admin posted an update",
"type": "activity_update",
"favorited": false,
"user_avatar": {
"full": "http://buddypress.local/wp-content/uploads/avatars/1/1663828147-bpfull.jpg",
"thumb": "http://buddypress.local/wp-content/uploads/avatars/1/1663828147-bpthumb.jpg"
},
"bp_giphy": {
"bp_activity_gif_id": "9gISqB3tncMmY",
"bp_activity_gif": "https://media2.giphy.com/media/9gISqB3tncMmY/giphy.gif?cid=c4e276273mi9gomni6el46ry7xo8pi3rp6k4bnysz3p2jsg6&ep=v1_gifs_trending&rid=giphy.gif&ct=g"
},
"_links": {
"self": [
{
"href": "http://buddypress.local/wp-json/buddypress/v1/activity/801"
}
],
"collection": [
{
"href": "http://buddypress.local/wp-json/buddypress/v1/activity/"
}
],
"user": [
{
"embeddable": true,
"href": "http://buddypress.local/wp-json/buddypress/v1/members/1"
}
]
}
}
