Verifications

{
  "advisory_only": true,
  "billing": {
    "billable": true,
    "meter": "verification.completed",
    "units": 1
  },
  "checks": [
    {
      "code": "ENTITY_MATCH",
      "outcome": "PASS",
      "summary": "Company registry record matched."
    },
    {
      "code": "VAT_VALID",
      "outcome": "PASS",
      "summary": "VAT registration is valid."
    }
  ],
  "completed_at": "2026-10-13T12:48:02Z",
  "created_at": "2026-10-13T12:48:01Z",
  "decision": "RELEASE",
  "policy": {
    "id": "eu-b2b-payment-v1",
    "version": "1.0.0"
  },
  "reason_codes": [
    "ALL_REQUIRED_CHECKS_PASSED"
  ],
  "request_id": "76de334e-f97f-4fef-accc-75b1ed0a634e",
  "schema_version": "1.0",
  "status": "COMPLETED",
  "verification_id": "a75d7f47-5af4-4e61-a697-0df83f548878"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://supplier-payment-verifier-production.up.railway.app/v1/verifications' \
  -H 'content-type: application/json' \
  --data-raw '{"policy_id":"eu-b2b-payment-v1","request_id":"76de334e-f97f-4fef-accc-75b1ed0a634e","schema_version":"1.0","supplier":{"claimed_legal_name":"Example Supplier Limited","company_registration_number":"123456","country_code":"IE","vat_number":"IE1234567A"}}'

# 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://supplier-payment-verifier-production.up.railway.app/v1/verifications' \
  -H 'content-type: application/json' \
  --data-raw '{"policy_id":"eu-b2b-payment-v1","request_id":"76de334e-f97f-4fef-accc-75b1ed0a634e","schema_version":"1.0","supplier":{"claimed_legal_name":"Example Supplier Limited","company_registration_number":"123456","country_code":"IE","vat_number":"IE1234567A"}}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsupplier-payment-verifier-production.up.railway.app%2Fv1%2Fverifications&method=POST
const res = await pay("https://supplier-payment-verifier-production.up.railway.app/v1/verifications", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "policy_id": "eu-b2b-payment-v1",
    "request_id": "76de334e-f97f-4fef-accc-75b1ed0a634e",
    "schema_version": "1.0",
    "supplier": {
      "claimed_legal_name": "Example Supplier Limited",
      "company_registration_number": "123456",
      "country_code": "IE",
      "vat_number": "IE1234567A"
    }
  }),
});
console.log(res.status, await res.text());

# 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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://supplier-payment-verifier-production.up.railway.app/v1/verifications",
        json={
            "policy_id": "eu-b2b-payment-v1",
            "request_id": "76de334e-f97f-4fef-accc-75b1ed0a634e",
            "schema_version": "1.0",
            "supplier": {
                "claimed_legal_name": "Example Supplier Limited",
                "company_registration_number": "123456",
                "country_code": "IE",
                "vat_number": "IE1234567A",
            },
        },
    )
    print(res.status_code, res.text)