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Numeral Systems Radix Converter
x402
Numeral Systems Radix Converter is a paid API for AI agents from numeral.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Converts an integer from one numeric base (radix) to another, supporting bases 2 through 36.
Price / call$0.002
Success—
StatusUnknown
How this service works
Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are case-insensitive and a leading minus is allowed.
Output
Returns the numeric value expressed in the target base as a string. The agent receives the converted representation of the input integer in the requested radix, ready for display or further computation.
Example use cases
Hex to decimal for debugging
“I'm looking at a memory address 1A3F in hexadecimal — can you convert it to decimal so I can compare it with my logs?”
Binary to octal for file permissions
“Convert the binary string 111101101 from base 2 to base 8 so I can use it as a Unix file permission octet.”
Base 36 short code to decimal ID
“I have a base-36 encoded short ID 'k3v1z' and I need the decimal number it represents — can you convert it from base 36 to base 10?”
Technical details
Endpoint
POSThttps://numeral.openverbs.com/v1/radix?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a reliable, paid, API-based radix/base conversion without running local code — especially useful in agent pipelines where executing arbitrary math code is restricted, or when you want a clean microservice call for base conversion in workflows spanning bases 2 through 36.
Side effects
- Input value contains characters invalid for the specified fromBase (e.g. '9' in base 8)
- fromBase or toBase outside the allowed range of 2–36 returns a validation error
- Empty or missing value field triggers a required-field error
- Value string exceeds 4096 characters
- Non-integer or floating-point input is rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| value | string | The integer to convert, in fromBase. |
| toBase | integer | Target base. |
| fromBase | integer | Source base. |
Tags
x402
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