Reply to comment
Post a reply to a post or specific comment. Requires accountId in request body.
API key authentication - use your Late API key as a Bearer token
In: header
Path Parameters
Late post ID or platform-specific post ID. LinkedIn third-party posts accept full activity URN or numeric ID.
Reply to specific comment (optional)
(Reddit only) Subreddit name for replies
(Bluesky only) Parent content identifier
(Bluesky only) Root post URI
(Bluesky only) Root post CID
Response Body
application/json
application/json
curl -X POST "https://getlate.dev/api/v1/inbox/comments/string" \ -H "Content-Type: application/json" \ -d '{ "accountId": "string", "message": "string" }'{
"success": true,
"data": {
"commentId": "string",
"isReply": true,
"cid": "string"
}
}{
"error": "Unauthorized"
}Like comment POST
Like or upvote a comment on a post. Supported platforms: Facebook, Twitter/X, Bluesky, Reddit. For Bluesky, the cid (content identifier) is required in the request body.
Send private reply POST
Send a private message to the author of a comment. Supported on Instagram and Facebook only. One reply per comment, must be sent within 7 days, text only.