# Business Logic Testing Payloads # Price manipulation price=-1 price=0 price=0.01 amount=-1000 quantity=-5 # Discount abuse discount=100 discount=999 coupon=UNLIMITED promo_code=TEST999 # Race condition payloads # Send multiple simultaneous requests to: POST /transfer (with same account balance) POST /redeem (with same coupon code) POST /purchase (with same limited item) # Workflow bypass attempts step=1 step=3 skip_step=true status=completed payment_status=paid # Account enumeration username=admin username=administrator username=test email=admin@example.com reset_token=00000000-0000-0000-0000-000000000000 # Rate limiting tests # Send 1000 requests in 1 second # Send 100 login attempts # Send 50 password reset requests # Authentication bypass patterns 2fa_enabled=false verified=true is_admin=true role=admin skip_verification=true