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List

by List units in Documents & files

x402 APIPassing, checked 4 h ago

List the supported units and their metadata (abbreviation, measure, system, singular/plural names), optionally filtered to a single measure — a discovery endpoint for choosing valid `from`/`to` values.

POST https://unit.openverbs.com/v1/list

Last 30 days

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Uptime
100%
Response time
647 ms typical, 647 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://unit.openverbs.com/v1/list" \
  -H "content-type: application/json" \
  -d '{"measure":"length"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Funit.openverbs.com%2Fv1%2Flist
const res = await pay("https://unit.openverbs.com/v1/list", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"measure":"length"}),
});
console.log(await res.json());

Example input

{
  "measure": "length"
}

Security scan

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Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402647 ms$0.002