curl -X POST "https://api.chanl.ai/api/v1/auth/refresh" \ -H "Content-Type: application/json" \ -d '{ "refresh_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..." }'
{ "success": true, "data": { "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...", "expires_in": 3600, "token_type": "Bearer" } }