Tool detail

Weight Converter API

Converts a numeric weight or mass value between units such as kg, g, lb, oz, stone and tonne.

Categories: Utilities

Use when

convert a weight value from kilograms to pounds or similar
convert a mass value between metric and imperial units

Not for

not for currency, volume, or other non-mass unit conversions

Inputs

GET query params (listing schema empty; per docs): value (number, required), from (unit code, required), to (unit code, required)

Admitted input schema

{
  "type": "object",
  "properties": {},
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://weight402endpoint.vercel.app/api/convert-weight

Payment

Protocol: x402
Listed price: 0.0025 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://weight402endpoint.vercel.app/api/convert-weight
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z