Capture an email address before unlocking the handbook PDF download

curl -X POST https://parmana-api-real.vercel.app/handbook/download-leads \
  -H "Content-Type: application/json" \
  -d '{
    "email": "reader@example.com"
  }'

const response = await fetch(
  "https://parmana-api-real.vercel.app/handbook/download-leads",
  {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ email: "reader@example.com" }),
  },
);

console.log(response.status, await response.json());

import requests

response = requests.post(
    "https://parmana-api-real.vercel.app/handbook/download-leads",
    json={"email": "reader@example.com"},
    timeout=30,
)

print(response.status_code, response.json())

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({email: 'jsmith@example.com'})
};

fetch('https://parmana-api-real.vercel.app/handbook/download-leads', 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/handbook/download-leads",
  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([
    'email' => 'jsmith@example.com'
  ]),
  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/handbook/download-leads"

	payload := strings.NewReader("{\n  \"email\": \"jsmith@example.com\"\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/handbook/download-leads")
  .header("Content-Type", "application/json")
  .body("{\n  \"email\": \"jsmith@example.com\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://parmana-api-real.vercel.app/handbook/download-leads")

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  \"email\": \"jsmith@example.com\"\n}"

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

{
  "downloadUrl": "https://parmana-api-real.vercel.app/parmana-handbook.pdf"
}

{
  "error": "A valid email address is required."
}

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