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Password Entropy Calculator
x402
Password Entropy Calculator is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.0022/call, status unknown (last checked 2026-09-14).
Calculates Shannon entropy, bits of randomness, and character set size for a given password to produce a mathematical password strength metric.
Price / call$0.0022
Success—
StatusUnknown
How this service works
Password entropy calculator, Shannon entropy, bits of randomness, charset size, mathematical password strength metric for security audits. Accepts payment on Base or Solana — either network works.
Output
Returns Shannon entropy value in bits, total bits of randomness, character set size used in the password, and an overall mathematical password strength metric suitable for security audits.
Example use cases
Example prompt
“What's the Shannon entropy and bits of randomness for the password 'Tr0ub4dor&3'? I need the charset size and entropy score for a security audit.”
Technical details
Endpoint
GEThttps://api.x402node.dev/password/entropyWhen to prefer
Use this endpoint when you need a precise, mathematical entropy-based strength measurement for passwords rather than a heuristic score. Ideal for security audits, compliance checks, or any workflow requiring quantitative password randomness analysis without relying on pattern-matching libraries.
Side effects
- Empty password string returns error or zero entropy
- Extremely long passwords may be truncated or rejected
- Missing or malformed request body returns 400 error
- Payment failure (402) if USDC balance insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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