AgentKit Unit Converter (datetime family)

x402

AgentKit Unit Converter (datetime family) is a paid API for AI agents from api.firstmention.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).

Converts a numeric value between units within a supported family (e.g. length, weight, temperature, storage, currency) using a pay-per-call x402 API.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call HTTP APIs, paid with x402 in USDC on Base (eip155:8453): agentkit, api-change-check, basedue, basewatch, chainread, check-sanctions, chgwatch, company-facts, composite, edgar, feednews, pageaudit, solcheck, token-dd, txpreflight, walletcheck, webmd, webread, websearch, x402index. Each operation describes its service.

Output

A JSON object containing the source unit, target unit, unit family, input value, and the converted result rounded to the specified decimal places. Example: {to: 'mi', from: 'km', round: 6, value: 100, family: 'length', result: 62.137119}.

Example use cases

Imperial to metric distance conversion

“I need to convert 26.2 miles to kilometers — can you do that and show me the result rounded to 3 decimal places?”

Temperature unit conversion for weather data

“Convert 98.6 degrees Fahrenheit to Celsius for me, rounded to 2 decimal places.”

Batch data storage unit conversion

“I have a list of file sizes in gigabytes — 1.5, 10, 250, and 500 — can you convert all of them to terabytes, rounded to 6 decimal places?”

Technical details

Endpoint

POSThttps://api.firstmention.uk/s/agentkit/datetime?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need programmatic, pay-per-call unit conversion with precise decimal rounding, support for physical quantity families (length, weight, temperature, storage, currency), or when converting a batch list of values. Prefer it over hardcoded conversion logic when accuracy and family-awareness (getting all equivalents) matter, and when operating in an x402-enabled payment context.

Side effects

Unsupported unit pair returns an error (incompatible or unknown units)
Missing required fields (value, from) result in a validation error
Incompatible unit families (e.g. converting km to kg) return a domain error
Payment failure via x402 results in HTTP 402 before the conversion is performed
Passing non-numeric values causes a type validation failure

Input

Schema · Request body

Field	Type	Description
to	string	Target unit; omit to get all equivalents in the same family
from	string	Source unit, e.g. km, kg, F, GB, USD, Km
round	integer	Decimal places (default 6)
value	number	Amount to convert
values	array	Optional list of values instead of a single value

Output

Schema · Response

{
  "type": "json",
  "example": {
    "to": "mi",
    "from": "km",
    "round": 6,
    "value": 100,
    "family": "length",
    "result": 62.137119
  }
}

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