Developer Documentation
Power your software sales with our License API.
Secure your software from piracy with Hardware ID (HWID) binding, remote license management, and instant delivery.
HWID Binding
Automatically lock licenses to a user's specific hardware. Prevent account sharing and piracy instantly.
Instant Kill-Switch
Revoke access from your dashboard if a chargeback occurs or a license is leaked. The client app stops working immediately.
Seamless Auth
Simple POST request to verify keys. No SDKs or heavy libraries required. 99.9% uptime guaranteed.
Implementation Example
verify_license.py
import requests
import sys
def verify_license(key):
url = "https://sellary.live/api/verify"
payload = {
"key": key,
"hwid": get_hwid() # Get device UUID
}
res = requests.post(url, json=payload)
return res.json().get("valid")
# Main App Logic
if verify_license(user_key):
start_app()
else:
print("Invalid License")
sys.exit(1)