curl -X GET "https://api.pix.basspago.com.br/cob/a1b2c3d4e5f60718293a4b5c6d7e8f90" \
  --cert ./client.crt \
  --key ./client.key \
  --pass "SUA_SENHA_DO_CERTIFICADO" \
  -H "Authorization: Bearer {access_token}"

<?php

$txid = 'a1b2c3d4e5f60718293a4b5c6d7e8f90';
$ch = curl_init("https://api.pix.basspago.com.br/cob/{$txid}");

curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_SSLCERT => './client.crt',
    CURLOPT_SSLKEY => './client.key',
    CURLOPT_KEYPASSWD => 'SUA_SENHA_DO_CERTIFICADO',
    CURLOPT_HTTPHEADER => ['Authorization: Bearer {access_token}'],
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;

import fs from "node:fs";
import https from "node:https";
import axios from "axios";

const agent = new https.Agent({
  cert: fs.readFileSync("./client.crt"),
  key: fs.readFileSync("./client.key"),
  passphrase: "SUA_SENHA_DO_CERTIFICADO",
});

const txid = "a1b2c3d4e5f60718293a4b5c6d7e8f90";

const { data } = await axios.get(
  `https://api.pix.basspago.com.br/cob/${txid}`,
  {
    httpsAgent: agent,
    headers: { Authorization: "Bearer {access_token}" },
  }
);

console.log(data);

{
  "calendario": {
    "criacao": "2026-07-21T13:05:12.000Z",
    "expiracao": 3600
  },
  "txid": "a1b2c3d4e5f60718293a4b5c6d7e8f90",
  "revisao": 0,
  "loc": {
    "id": 4821,
    "location": "pix.basspago.com/qr/v2/9f8e7d6c5b4a",
    "tipoCob": "cob"
  },
  "location": "pix.basspago.com/qr/v2/9f8e7d6c5b4a",
  "status": "CONCLUIDA",
  "devedor": {
    "cpf": "11144477735",
    "nome": "Maria Oliveira"
  },
  "valor": {
    "original": "49.90"
  },
  "chave": "e3b0c442-98fc-4c1a-b2d6-9a7f5e10c3d4",
  "solicitacaoPagador": "Pagamento do pedido #90210",
  "infoAdicionais": [
    {
      "nome": "Pedido",
      "valor": "90210"
    }
  ],
  "pix": [
    {
      "endToEndId": "E12345678202607211307a1b2c3d4e5f",
      "txid": "a1b2c3d4e5f60718293a4b5c6d7e8f90",
      "valor": "49.90",
      "horario": "2026-07-21T13:07:22.000Z",
      "infoPagador": "Pagamento referente ao pedido #90210"
    }
  ],
  "pixCopiaECola": "00020126580014br.gov.bcb.pix..."
}