Modular exponentiation base^exp mod m for big integers, decimal or 0x hex, up to
Modular exponentiation base^exp mod m for big integers, decimal or 0x hex, up to 4096 bits.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
353 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://crypto-math.x402tookit.com/mod-pow
| Category | Market data |
|---|---|
| Provider host | crypto-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 | $0.02 | 353 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"base": "4",
"exp": "13",
"mod": "497"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"base": {
"description": "Base, whole number (decimal or 0x hex, may be negative)",
"type": "string"
},
"exp": {
"description": "Exponent, non-negative whole number",
"type": "string"
},
"mod": {
"description": "Modulus, whole number of at least 1",
"type": "string"
}
},
"required": [
"base",
"exp",
"mod"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"exponentBits": {
"type": [
"null",
"number"
]
},
"modulusBits": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"result": {
"properties": {
"bits": {
"type": [
"null",
"number"
]
},
"decimal": {
"type": [
"null",
"string"
]
},
"hex": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}