Verify a signed caller-authentication audit event

# A signed audit event and its signature, as exported from caller_audit_events:
curl -X POST https://parmana-api-real.vercel.app/audit/verify \
  -H "Content-Type: application/json" \
  --data @audit-event.json

import { ParmanaClient } from "@parmana/sdk";
import { readFileSync } from "node:fs";

const client = new ParmanaClient({
  endpoint: "https://parmana-api-real.vercel.app",
  apiKey: process.env.PARMANA_API_KEY!,
});

// A signed audit event and its signature, as exported from caller_audit_events.
const { event, signature } = JSON.parse(
  readFileSync("audit-event.json", "utf8"),
);

const valid = await client.verifyAuditEvent(event, signature);

console.log(valid);

import json
import os
from datetime import datetime
from pathlib import Path

from parmana import ParmanaClient
from parmana.models import Signature, SignatureAlgorithm

client = ParmanaClient(
    endpoint="https://parmana-api-real.vercel.app",
    api_key=os.environ["PARMANA_API_KEY"],
)

# A signed audit event and its signature, as exported from caller_audit_events.
exported = json.loads(Path("audit-event.json").read_text())

signature = Signature(
    algorithm=SignatureAlgorithm(exported["signature"]["algorithm"]),
    key_id=exported["signature"]["keyId"],
    value=exported["signature"]["value"],
    signed_at=datetime.fromisoformat(exported["signature"]["signedAt"]),
)

valid = client.verify_audit_event(exported["event"], signature)

print(valid)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    event: {
      type: 'caller_authenticated',
      occurredAt: '2026-09-15T03:00:00.000Z',
      route: '/version'
    },
    signature: {
      algorithm: 'ed25519',
      keyId: 'default',
      value: 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=='
    }
  })
};

fetch('https://parmana-api-real.vercel.app/audit/verify', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://parmana-api-real.vercel.app/audit/verify",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'event' => [
        'type' => 'caller_authenticated',
        'occurredAt' => '2026-09-15T03:00:00.000Z',
        'route' => '/version'
    ],
    'signature' => [
        'algorithm' => 'ed25519',
        'keyId' => 'default',
        'value' => 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=='
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://parmana-api-real.vercel.app/audit/verify"

	payload := strings.NewReader("{\n  \"event\": {\n    \"type\": \"caller_authenticated\",\n    \"occurredAt\": \"2026-09-15T03:00:00.000Z\",\n    \"route\": \"/version\"\n  },\n  \"signature\": {\n    \"algorithm\": \"ed25519\",\n    \"keyId\": \"default\",\n    \"value\": \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://parmana-api-real.vercel.app/audit/verify")
  .header("Content-Type", "application/json")
  .body("{\n  \"event\": {\n    \"type\": \"caller_authenticated\",\n    \"occurredAt\": \"2026-09-15T03:00:00.000Z\",\n    \"route\": \"/version\"\n  },\n  \"signature\": {\n    \"algorithm\": \"ed25519\",\n    \"keyId\": \"default\",\n    \"value\": \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://parmana-api-real.vercel.app/audit/verify")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"event\": {\n    \"type\": \"caller_authenticated\",\n    \"occurredAt\": \"2026-09-15T03:00:00.000Z\",\n    \"route\": \"/version\"\n  },\n  \"signature\": {\n    \"algorithm\": \"ed25519\",\n    \"keyId\": \"default\",\n    \"value\": \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "valid": false
}

{
  "error": "Request body must be { event, signature } (event: type, occurredAt, route; signature: algorithm, keyId, value required)."
}

{
  "error": "Rate limit exceeded. Try again later.",
  "code": "RATE_LIMITED"
}