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POST
/
:projectId
/
api
/
v7
/
conversations
/
:conversationId
/
members
Add Member
curl --request POST \
  --url https://api.replyke.com/api/v6/:projectId/api/v7/conversations/:conversationId/members \
  --header 'Content-Type: application/json' \
  --data '
{
  "userId": "<string>"
}
'
Adds a user to a group conversation. Only group conversations support explicit member management — this endpoint returns a 400 for direct and space conversations. The caller must be an active admin of the conversation. The target user must belong to the same project. If the user was previously a member who left or was removed, they are re-activated (their isActive is set back to true and lastReadAt is reset to now).

​
Path Parameters

​
conversationId
string
required
The ID of the conversation.

​
Body Parameters

​
userId
string
required
The ID of the user to add. Must belong to the same project.

​
Response

Returns the ConversationMember record for the added user.

​
Error Responses

{ "error": "Conversation not found.", "code": "chat/not-found" }

{ "error": "Members can only be added to group conversations.", "code": "chat/invalid-type" }

{ "error": "Only group admins can add members.", "code": "chat/not-a-member" }

{ "error": "Target user does not belong to this project.", "code": "chat/invalid-member" }