Csr

{
  "algorithm_version": "pkcs10-csr-inspect-v1",
  "csr": {
    "fingerprint_sha256": "A0:99:82:7B:37:CA:52:40:D4:D1:C5:D9:17:DB:70:47:AA:DE:D7:64:CA:48:5E:26:6A:7C:A1:4D:AC:46:87:AA",
    "public_key": {
      "algorithm": "Ed25519",
      "bits": 256
    },
    "requested_extensions": [
      {
        "critical": false,
        "oid": "2.5.29.17"
      }
    ],
    "sans": {
      "dns_names": [
        "service.example.test",
        "api.example.test"
      ],
      "email_addresses": [],
      "ip_addresses": [],
      "uris": []
    },
    "signature_algorithm": "Ed25519",
    "signature_valid": true,
    "subject": "CN=service.example.test,O=x402Atlas Synthetic Examples",
    "subject_rdns": [
      [
        {
          "name": "organizationName",
          "oid": "2.5.4.10",
          "value": "x402Atlas Synthetic Examples"
        }
      ],
      [
        {
          "name": "commonName",
          "oid": "2.5.4.3",
          "value": "service.example.test"
        }
      ]
    ]
  },
  "operation": "csr-inspect",
  "warnings": [
    "A valid CSR self-signature proves only internal possession of the included key, not identity, trust, CA approval, or certificate issuance."
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://artifact-inspector.use.x402atlas.com/csr' \
  -H 'content-type: application/json' \
  --data-raw '{"pem":"-----BEGIN CERTIFICATE REQUEST-----\nMIIBCjCBvQIBADBGMSUwIwYDVQQKExx4NDAyQXRsYXMgU3ludGhldGljIEV4YW1w\nbGVzMR0wGwYDVQQDExRzZXJ2aWNlLmV4YW1wbGUudGVzdDAqMAUGAytlcAMhAHm1\nVi6P5lT5QHixEuipi6eQH4U65pW+1+DjkQutBJZkoEQwQgYJKoZIhvcNAQkOMTUw\nMzAxBgNVHREEKjAoghRzZXJ2aWNlLmV4YW1wbGUudGVzdIIQYXBpLmV4YW1wbGUu\ndGVzdDAFBgMrZXADQQBSNLlAOUHeVlbhnQE+VCg5pvxbKEdQYfLO4egstCTlMYDv\neA4dF/Bwz0dTGJt38ORmedOR1Z9gyoFAPWHaMr4M\n-----END CERTIFICATE REQUEST-----\n"}'

# 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://artifact-inspector.use.x402atlas.com/csr' \
  -H 'content-type: application/json' \
  --data-raw '{"pem":"-----BEGIN CERTIFICATE REQUEST-----\nMIIBCjCBvQIBADBGMSUwIwYDVQQKExx4NDAyQXRsYXMgU3ludGhldGljIEV4YW1w\nbGVzMR0wGwYDVQQDExRzZXJ2aWNlLmV4YW1wbGUudGVzdDAqMAUGAytlcAMhAHm1\nVi6P5lT5QHixEuipi6eQH4U65pW+1+DjkQutBJZkoEQwQgYJKoZIhvcNAQkOMTUw\nMzAxBgNVHREEKjAoghRzZXJ2aWNlLmV4YW1wbGUudGVzdIIQYXBpLmV4YW1wbGUu\ndGVzdDAFBgMrZXADQQBSNLlAOUHeVlbhnQE+VCg5pvxbKEdQYfLO4egstCTlMYDv\neA4dF/Bwz0dTGJt38ORmedOR1Z9gyoFAPWHaMr4M\n-----END CERTIFICATE REQUEST-----\n"}' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fartifact-inspector.use.x402atlas.com%2Fcsr&method=POST
const res = await pay("https://artifact-inspector.use.x402atlas.com/csr", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "pem": "-----BEGIN CERTIFICATE REQUEST-----\nMIIBCjCBvQIBADBGMSUwIwYDVQQKExx4NDAyQXRsYXMgU3ludGhldGljIEV4YW1w\nbGVzMR0wGwYDVQQDExRzZXJ2aWNlLmV4YW1wbGUudGVzdDAqMAUGAytlcAMhAHm1\nVi6P5lT5QHixEuipi6eQH4U65pW+1+DjkQutBJZkoEQwQgYJKoZIhvcNAQkOMTUw\nMzAxBgNVHREEKjAoghRzZXJ2aWNlLmV4YW1wbGUudGVzdIIQYXBpLmV4YW1wbGUu\ndGVzdDAFBgMrZXADQQBSNLlAOUHeVlbhnQE+VCg5pvxbKEdQYfLO4egstCTlMYDv\neA4dF/Bwz0dTGJt38ORmedOR1Z9gyoFAPWHaMr4M\n-----END CERTIFICATE REQUEST-----\n"
  }),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://artifact-inspector.use.x402atlas.com/csr",
        json={
            "pem": "-----BEGIN CERTIFICATE REQUEST-----\nMIIBCjCBvQIBADBGMSUwIwYDVQQKExx4NDAyQXRsYXMgU3ludGhldGljIEV4YW1w\nbGVzMR0wGwYDVQQDExRzZXJ2aWNlLmV4YW1wbGUudGVzdDAqMAUGAytlcAMhAHm1\nVi6P5lT5QHixEuipi6eQH4U65pW+1+DjkQutBJZkoEQwQgYJKoZIhvcNAQkOMTUw\nMzAxBgNVHREEKjAoghRzZXJ2aWNlLmV4YW1wbGUudGVzdIIQYXBpLmV4YW1wbGUu\ndGVzdDAFBgMrZXADQQBSNLlAOUHeVlbhnQE+VCg5pvxbKEdQYfLO4egstCTlMYDv\neA4dF/Bwz0dTGJt38ORmedOR1Z9gyoFAPWHaMr4M\n-----END CERTIFICATE REQUEST-----\n",
        },
    )
    print(res.status_code, res.text)