Refund a PIX Payment

curl --request POST \
  --url https://api.pagou.ai/pix/v1/payment/refund/{id} \
  --header 'Content-Type: application/json' \
  --header 'apiKey: <api-key>' \
  --data '
{
  "value": 1,
  "description": "<string>"
}
'

import requests

url = "https://api.pagou.ai/pix/v1/payment/refund/{id}"

payload = {
    "value": 1,
    "description": "<string>"
}
headers = {
    "apiKey": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {apiKey: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({value: 1, description: '<string>'})
};

fetch('https://api.pagou.ai/pix/v1/payment/refund/{id}', 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://api.pagou.ai/pix/v1/payment/refund/{id}",
  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([
    'value' => 1,
    'description' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "apiKey: <api-key>"
  ],
]);

$response = curl_exec($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://api.pagou.ai/pix/v1/payment/refund/{id}"

	payload := strings.NewReader("{\n  \"value\": 1,\n  \"description\": \"<string>\"\n}")

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

	req.Header.Add("apiKey", "<api-key>")
	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://api.pagou.ai/pix/v1/payment/refund/{id}")
  .header("apiKey", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"value\": 1,\n  \"description\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.pagou.ai/pix/v1/payment/refund/{id}")

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

request = Net::HTTP::Post.new(url)
request["apiKey"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"value\": 1,\n  \"description\": \"<string>\"\n}"

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

{
  "refundId": "rfd_2ec3f2e53b53470dbaf0fcb1afac58b8",
  "transactionId": "trn_2d02fb2dbfa5479bbd8ec8ad5d629b9e",
  "status": "REFUND_IN",
  "value": 1200,
  "createdAt": "2026-02-07T13:20:03.000Z"
}

{
  "type": "https://api.pagou.ai/problems/validation-error",
  "title": "Validation Error",
  "status": 422,
  "detail": "The request contains invalid data.",
  "instance": "/pix/v1/payment/refund/example-id",
  "errors": [
    {
      "field": "transaction.value",
      "message": "Must be greater than zero.",
      "code": "invalid_type"
    }
  ]
}

{
  "type": "https://api.pagou.ai/problems/unauthorized",
  "title": "Unauthorized",
  "status": 401,
  "detail": "Authentication failed for POST /pix/v1/payment/refund/{id}.",
  "instance": "/pix/v1/payment/refund/example-id"
}