Harness First Ever

Last 30 days

Uptime

100%

Response time

216 ms typical, 607 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://cryptyx.ai/api/v1/harness/first-ever?asof_day="

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%2Fcryptyx.ai%2Fapi%2Fv1%2Fharness%2Ffirst-ever
const res = await pay("https://cryptyx.ai/api/v1/harness/first-ever?asof_day=");
console.log(await res.json());

Example input

{
  "asof_day": ""
}

Example output

{
  "asof_day": "2026-08-21",
  "count": 57,
  "first_ever": [
    {
      "asset": "BTC",
      "confidence": 1,
      "setup_id": "eff_bitcoin_full_stack_efficient_trend_persistence_4_factor_flagship_t5",
      "state": "first_ever",
      "z_scores": {
        "EFF_ER_30D": 1.9,
        "EFF_HURST_60D": 2.4,
        "TR_MA_DIST_180D": 2.08,
        "TR_RET_60D": 2.35
      }
    }
  ]
}

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