Catch fake signups,not just bad emails.

curl -X POST "https://signupsieve.p.rapidapi.com/v1/check" \
  -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY" \
  -H "X-RapidAPI-Host: signupsieve.p.rapidapi.com" \
  -d '{"email": "maria.santos@gmail.com", "ip": "203.177.10.10"}'

const res = await fetch("https://signupsieve.p.rapidapi.com/v1/check", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-RapidAPI-Key": process.env.RAPIDAPI_KEY,
    "X-RapidAPI-Host": "signupsieve.p.rapidapi.com",
  },
  body: JSON.stringify({ email: "maria.santos@gmail.com", ip: req.ip }),
});
const { verdict, canonical, did_you_mean } = await res.json();

import os, requests

result = requests.post(
    "https://signupsieve.p.rapidapi.com/v1/check",
    headers={
        "X-RapidAPI-Key": os.environ["RAPIDAPI_KEY"],
        "X-RapidAPI-Host": "signupsieve.p.rapidapi.com",
    },
    json={"email": "maria.santos@gmail.com", "ip": ip},
    timeout=10,
).json()

$ch = curl_init("https://signupsieve.p.rapidapi.com/v1/check");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        "Content-Type: application/json",
        "X-RapidAPI-Key: " . getenv("RAPIDAPI_KEY"),
        "X-RapidAPI-Host: signupsieve.p.rapidapi.com",
    ],
    CURLOPT_POSTFIELDS => json_encode(["email" => "maria.santos@gmail.com", "ip" => $_SERVER["REMOTE_ADDR"]]),
]);
$result = json_decode(curl_exec($ch), true);

{
  "email": "maria.santos@gmail.com",
  "canonical": "mariasantos@gmail.com",
  "account_type": "free",
  "role_account": false,
  "disposable": false,
  "relay": false,
  "deliverable_domain": true,
  "mail_provider": "google",
  "human_score": 94,
  "verdict": "allow",
  "reasons": ["natural_name", "dotted_gmail"],
  "ip": { "tor": false, "signups_from_ip": 1 },
  "check_id": "chk_AXDmekmC35NL1mpGtCtC...",
  "model": "baseline"
}