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X402 Facilitators

by Vextorium in Onchain & crypto

x402 APIFailing, checked 42 min ago

Status of x402 facilitators (who verify and settle payments): live check of each one's /supported endpoint with latency, x402 versions, schemes and networks, plus on-chain settled volume over 24h, 7d and 30d (x402-list data). Choose a facilitator or debug failing payments.

POST https://api.vextorium.com/v1/x402-facilitators

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
42 min ago: Amount "0.003" is not in atomic token units
Next check
in 23 min

How to call it

POST https://api.vextorium.com/v1/x402-facilitators

Each call costs $0.003 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.vextorium.com/v1/x402-facilitators
content-type: application/json

{}

Example response

The provider's example. We can't check it without paying.

Example response, 59 lines
{
  "live_check": [
    {
      "facilitator": "PayAI",
      "latency_ms": 372,
      "networks": [
        "arbitrum",
        "arbitrum-sepolia"
      ],
      "schemas": [
        "batch-settlement",
        "exact"
      ],
      "status": "operational",
      "url": "https://facilitator.payai.network",
      "x402_versions": [
        1,
        2
      ]
    },
    {
      "facilitator": "Daydreams",
      "latency_ms": 396,
      "networks": [
        "base",
        "base-sepolia"
      ],
      "schemas": [
        "exact",
        "upto"
      ],
      "status": "operational",
      "url": "https://facilitator.daydreams.systems",
      "x402_versions": [
        1,
        2
      ]
    }
  ],
  "measured_volume": [
    {
      "facilitator": "Coinbase",
      "last_activity": "2026-10-03T00:00:00.000Z",
      "payments_30d": 1810775,
      "volume_24h_usd": 393.28,
      "volume_30d_usd": 513864.07,
      "volume_7d_usd": 178035.7
    },
    {
      "facilitator": "FluxA",
      "last_activity": "2026-10-02T00:00:00.000Z",
      "payments_30d": 169456,
      "volume_24h_usd": 0,
      "volume_30d_usd": 185843.83,
      "volume_7d_usd": 86696.2
    }
  ],
  "source": "Live /supported test by Vextorium; volume: x402-list.com (CC BY 4.0, measured on-chain)"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.003.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/x402-facilitators' \
  -H 'content-type: application/json' \
  --data-raw '{}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.vextorium.com/v1/x402-facilitators' \
  -H 'content-type: application/json' \
  --data-raw '{}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fx402-facilitators&method=POST
const res = await pay("https://api.vextorium.com/v1/x402-facilitators", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({}),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/x402-facilitators",
        json={},
    )
    print(res.status_code, res.text)

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
42 min agoAmount "0.003" is not in atomic token units402285 ms$0.003
5 h agoAmount "0.003" is not in atomic token units402137 ms$0.003
10 h agoAmount "0.003" is not in atomic token units402153 ms$0.003
14 h agoAmount "0.003" is not in atomic token units40279 ms$0.003
18 h agoAmount "0.003" is not in atomic token units402105 ms$0.003
22 h agoAmount "0.003" is not in atomic token units40291 ms$0.003
27 h agoAmount "0.003" is not in atomic token units40295 ms$0.003
31 h agoAmount "0.003" is not in atomic token units40286 ms$0.003
35 h agoAmount "0.003" is not in atomic token units40280 ms$0.003
39 h agoAmount "0.003" is not in atomic token units40283 ms$0.003
43 h agoAmount "0.003" is not in atomic token units40282 ms$0.003
47 h agoAmount "0.003" is not in atomic token units40287 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40281 ms$0.003
2 days agoAmount "0.003" is not in atomic token units402109 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40274 ms$0.003