Sua primeira cobrança

curl -X POST https://api.purincash.com/v1/charges \
  -H "Authorization: Bearer $PURINCASH_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "valueCents": 1990,
    "description": "Plano Pro",
    "callbackUrl": "https://minhaloja.com/webhooks/purincash",
    "customer": { "name": "João Silva", "email": "joao@exemplo.com" },
    "metadata": "{\"pedido\":\"1042\"}"
  }'

const res = await fetch("https://api.purincash.com/v1/charges", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.PURINCASH_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    valueCents: 1990,
    description: "Plano Pro",
    callbackUrl: "https://minhaloja.com/webhooks/purincash",
    customer: { name: "João Silva", email: "joao@exemplo.com" },
    metadata: JSON.stringify({ pedido: "1042" }),
  }),
});

const cobranca = await res.json();
console.log(cobranca.paymentId, cobranca.pix.brCode);

import os, json, requests

resposta = requests.post(
    "https://api.purincash.com/v1/charges",
    headers={"Authorization": f"Bearer {os.environ['PURINCASH_KEY']}"},
    json={
        "valueCents": 1990,
        "description": "Plano Pro",
        "callbackUrl": "https://minhaloja.com/webhooks/purincash",
        "customer": {"name": "João Silva", "email": "joao@exemplo.com"},
        "metadata": json.dumps({"pedido": "1042"}),
    },
    timeout=15,
)
cobranca = resposta.json()
print(cobranca["paymentId"], cobranca["pix"]["brCode"])

$ch = curl_init("https://api.purincash.com/v1/charges");
curl_setopt_array($ch, [
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer " . getenv("PURINCASH_KEY"),
    "Content-Type: application/json",
  ],
  CURLOPT_POST => true,
  CURLOPT_POSTFIELDS => json_encode([
    "valueCents"  => 1990,
    "description" => "Plano Pro",
    "callbackUrl" => "https://minhaloja.com/webhooks/purincash",
    "customer"    => ["name" => "João Silva", "email" => "joao@exemplo.com"],
    "metadata"    => json_encode(["pedido" => "1042"]),
  ]),
]);

$cobranca = json_decode(curl_exec($ch), true);
echo $cobranca["paymentId"], PHP_EOL, $cobranca["pix"]["brCode"];