curl --request POST \
  --url https://api.example.com/v1/campaigns/{campaignId}/loyalty/transactions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "integrationId": "a071f271-9039-497e-a9e3-019484dd2312",
  "amount": 1,
  "reason": "Compra de gás",
  "pendingDuration": "5D",
  "startAt": null,
  "validityDuration": "5D",
  "expiryAt": null,
  "attributes": {
    "externalId": "123456"
  }
}
'

import requests

url = "https://api.example.com/v1/campaigns/{campaignId}/loyalty/transactions"

payload = {
    "integrationId": "a071f271-9039-497e-a9e3-019484dd2312",
    "amount": 1,
    "reason": "Compra de gás",
    "pendingDuration": "5D",
    "startAt": None,
    "validityDuration": "5D",
    "expiryAt": None,
    "attributes": { "externalId": "123456" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    integrationId: 'a071f271-9039-497e-a9e3-019484dd2312',
    amount: 1,
    reason: 'Compra de gás',
    pendingDuration: '5D',
    startAt: null,
    validityDuration: '5D',
    expiryAt: null,
    attributes: {externalId: '123456'}
  })
};

fetch('https://api.example.com/v1/campaigns/{campaignId}/loyalty/transactions', 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.example.com/v1/campaigns/{campaignId}/loyalty/transactions",
  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([
    'integrationId' => 'a071f271-9039-497e-a9e3-019484dd2312',
    'amount' => 1,
    'reason' => 'Compra de gás',
    'pendingDuration' => '5D',
    'startAt' => null,
    'validityDuration' => '5D',
    'expiryAt' => null,
    'attributes' => [
        'externalId' => '123456'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://api.example.com/v1/campaigns/{campaignId}/loyalty/transactions"

	payload := strings.NewReader("{\n  \"integrationId\": \"a071f271-9039-497e-a9e3-019484dd2312\",\n  \"amount\": 1,\n  \"reason\": \"Compra de gás\",\n  \"pendingDuration\": \"5D\",\n  \"startAt\": null,\n  \"validityDuration\": \"5D\",\n  \"expiryAt\": null,\n  \"attributes\": {\n    \"externalId\": \"123456\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.example.com/v1/campaigns/{campaignId}/loyalty/transactions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"integrationId\": \"a071f271-9039-497e-a9e3-019484dd2312\",\n  \"amount\": 1,\n  \"reason\": \"Compra de gás\",\n  \"pendingDuration\": \"5D\",\n  \"startAt\": null,\n  \"validityDuration\": \"5D\",\n  \"expiryAt\": null,\n  \"attributes\": {\n    \"externalId\": \"123456\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/campaigns/{campaignId}/loyalty/transactions")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"integrationId\": \"a071f271-9039-497e-a9e3-019484dd2312\",\n  \"amount\": 1,\n  \"reason\": \"Compra de gás\",\n  \"pendingDuration\": \"5D\",\n  \"startAt\": null,\n  \"validityDuration\": \"5D\",\n  \"expiryAt\": null,\n  \"attributes\": {\n    \"externalId\": \"123456\"\n  }\n}"

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

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}