Auctions Current

Last 30 days

Uptime

100%

Response time

744 ms typical, 744 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 GET "https://api.onesource.io/standard/v1/auctions/current"

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%2Fapi.onesource.io%2Fstandard%2Fv1%2Fauctions%2Fcurrent
const res = await pay("https://api.onesource.io/standard/v1/auctions/current");
console.log(await res.json());

Example input

{}

Example output

{
  "as_of_block": 63512040,
  "basis": "dutch_auction",
  "chain_id": 4663,
  "charter": {
    "floor_raw": "1000000000000000000",
    "formula": "unsupported_for_charter",
    "has_prior_sale": true,
    "last_sale_block": 63498000,
    "last_sale_count": 1,
    "last_sale_currency": "ETH",
    "last_sale_price_raw": "2000000000000000000",
    "phase": "live",
    "price_available": false,
    "price_now_raw": "2000000000000000000",
    "price_source": "view_fn",
    "reason": "mainnet-halflife-2026-09-15 covers the license auction only; the charter auction's half-life constant is not tracked",
    "sold_out": false,
    "units_offered": 20,
    "units_remaining": 13,
    "units_sold": 7,
    "units_source": "constants",
    "value_last_changed_at": "2026-09-14T22:44:00Z",
    "value_last_changed_block": 63200000
  },
  "formula": "mainnet-halflife-2026-09-15",
  "freshness_basis": "snapshot_pass_marker",
  "lag_blocks": 4,
  "license": {
    "contraction_halved": false,
    "daily_supply": 500,
    "expected_prices": [
      {
        "expected_price_raw": "140000000000000000",
        "horizon": "+15m",
        "horizon_seconds": 900
      }
    ],
    "floor_raw": "50000000000000000",
    "has_prior_sale": true,
    "last_sale_block": 63499000,
    "last_sale_count": 1,
    "last_sale_currency": "STD",
    "last_sale_price_raw": "150000000000000000",
    "phase": "sold_out",
    "price_available": true,
    "price_now_note": "the auction is sold out for today; this price is just where the decay curve sits, nothing is actually for sale until the next day starts",
    "price_now_raw": "150000000000000000",
    "price_source": "view_fn",
    "sold_out": true,
    "units_offered": 100,
    "units_remaining": 0,
    "units_sold": 100,
    "units_source": "license_auction_days",
    "value_last_changed_at": "2026-09-15T01:57:00Z",
    "value_last_changed_block": 63278140
  },
  "network": "robinhood",
  "serving_state": "fresh"
}

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