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Starting March 27, 2026, RC is rebranded as Nexconn. Existing RC SDK customers can continue using this documentation. New customers should refer to the Nexconn developer documentation.

Add Friend

Send a friend request.

Enable the Service

Before calling this API, enable the profile hosting service by submitting a ticket.

Request Method

POST: https://data center domain/friend/add.json

Rate Limit: 100 requests per second

Signature Rule: All server API requests require signature verification. See API Request Signature.

Request Parameters

The HTTP request body uses application/x-www-form-urlencoded format and supports the following form parameters:

ParameterTypeRequiredDescription
userIdStringYesThe user ID initiating the request.
targetIdStringYesThe user ID to be added as a friend.
optTypeNumberNoRequest type: 1: Add friend based on target user's verification level (default); 2: Add directly without target user's approval
extraStringNoAdditional information for the friend request (max 128 characters).

Request Example

POST /friend/add.json HTTP/1.1
Host: api.rong-api.com
App-Key: uwd1c0sxdlx2
Nonce: 14314
Timestamp: 1408710653491
Signature: 45beb7cc7307889a8e711219a47b7cf6a5b000e8
Content-Type: application/x-www-form-urlencoded

userId=id1&targetId=id2&optType=2&extra=something

Response

The HTTP response body contains a JSON object with the following structure:

FieldTypeDescription
codeNumberStatus code (200 indicates success).

Response Example

HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8

{
"code": 200,
}