Entropy bits for a random password policy, PIN or diceware passphrase from lengt
Entropy bits for a random password policy, PIN or diceware passphrase from length and alphabet, with crack-time ranges.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
868 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://security-math.x402tookit.com/password-entropy
| Category | Everything else |
|---|---|
| Provider host | security-math.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 868 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"length": 4,
"poolSize": 7776,
"words": "true"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"digits": {
"description": "true if 0-9 are used (default false)",
"type": "string"
},
"length": {
"description": "Number of random characters (or words when words=true), 1 to 1000",
"type": "integer"
},
"lower": {
"description": "true if a-z are used (default true)",
"type": "string"
},
"poolSize": {
"description": "Override: exact alphabet size, or word-list size when words=true (diceware = 7776)",
"type": "integer"
},
"symbols": {
"description": "true if the 32 ASCII punctuation symbols are used (default false)",
"type": "string"
},
"upper": {
"description": "true if A-Z are used (default false)",
"type": "string"
},
"words": {
"description": "true for a passphrase of random words drawn from poolSize words",
"type": "string"
}
},
"required": [
"length"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alphabetOrListSize": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"bitsPerUnit": {
"type": [
"null",
"number"
]
},
"characterClassSizes": {
"properties": {
"digits": {
"type": [
"null",
"number"
]
},
"lower": {
"type": [
"null",
"number"
]
},
"symbols": {
"type": [
"null",
"number"
]
},
"upper": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"crackTimes": {
"items": {
"properties": {
"assumption": {
"type": [
"null",
"string"
]
},
"attacker": {
"type": [
"null",
"string"
]
},
"averageTime": {
"type": [
"null",
"string"
]
},
"guessesPerSecond": {
"type": [
"null",
"number"
]
},
"worstCaseTime": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"entropyBits": {
"type": [
"null",
"number"
]
},
"length": {
"type": [
"null",
"number"
]
},
"log10Guesses": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"rating": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"unit": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"requi