{"service":"CollPlus SMS Gateway API","version":"3.1.0","features":["Transaction logging with unique IDs","SMS delivery status tracking","Bulk status checking","MySQL database storage"],"endpoints":{"send_sms":"POST /sentSMS","check_status":"GET /sms/status/{transaction_id}","status_history":"GET /sms/status/history/{transaction_id}","bulk_check":"POST /sms/status/bulk-check"}}