Select one original index and item with probability weight divided by total weight. Weights must match items and be integers from 0 to 1000000000; at least one must be positive. Uses the server OS CSPRNG. Returns consumed bytes for reproducible calculation, not proof of their origin. Price: 0.007 USDC per request, including the bounded batch.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.007000 USDC | 0x12fe...6fbb |