curl --request POST \
  --url https://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "affiliate_id": 1,
  "level_id": 1,
  "type": 1,
  "code": "string",
  "status": 1,
  "url": "https://example.com",
  "events": [
    "string"
  ],
  "offer_id": 1,
  "goal_id": 1
}
'

import requests

url = "https://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks"

payload = {
    "affiliate_id": 1,
    "level_id": 1,
    "type": 1,
    "code": "string",
    "status": 1,
    "url": "https://example.com",
    "events": ["string"],
    "offer_id": 1,
    "goal_id": 1
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    affiliate_id: 1,
    level_id: 1,
    type: 1,
    code: 'string',
    status: 1,
    url: 'https://example.com',
    events: ['string'],
    offer_id: 1,
    goal_id: 1
  })
};

fetch('https://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks', 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://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks",
  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([
    'affiliate_id' => 1,
    'level_id' => 1,
    'type' => 1,
    'code' => 'string',
    'status' => 1,
    'url' => 'https://example.com',
    'events' => [
        'string'
    ],
    'offer_id' => 1,
    'goal_id' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <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://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks"

	payload := strings.NewReader("{\n  \"affiliate_id\": 1,\n  \"level_id\": 1,\n  \"type\": 1,\n  \"code\": \"string\",\n  \"status\": 1,\n  \"url\": \"https://example.com\",\n  \"events\": [\n    \"string\"\n  ],\n  \"offer_id\": 1,\n  \"goal_id\": 1\n}")

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

	req.Header.Add("X-API-Key", "<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://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"affiliate_id\": 1,\n  \"level_id\": 1,\n  \"type\": 1,\n  \"code\": \"string\",\n  \"status\": 1,\n  \"url\": \"https://example.com\",\n  \"events\": [\n    \"string\"\n  ],\n  \"offer_id\": 1,\n  \"goal_id\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{domain}/api/v2/network/affiliates/{affiliate_id}/postbacks")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"affiliate_id\": 1,\n  \"level_id\": 1,\n  \"type\": 1,\n  \"code\": \"string\",\n  \"status\": 1,\n  \"url\": \"https://example.com\",\n  \"events\": [\n    \"string\"\n  ],\n  \"offer_id\": 1,\n  \"goal_id\": 1\n}"

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

{
  "status": "success",
  "code": 200,
  "name": "OK",
  "message": "<string>",
  "info": {}
}

{
  "message": "Request could not be parsed.",
  "success": false,
  "info": {
    "errors": {}
  }
}

{
  "message": "API key is invalid or missing.",
  "success": false
}

{
  "message": "This endpoint is not available for your role.",
  "success": false
}

{
  "message": "Validation error",
  "success": false,
  "info": {
    "errors": {
      "email": [
        "Email cannot be blank."
      ],
      "currency": [
        "Currency must be a valid ISO code."
      ]
    }
  }
}

{
  "message": "An unexpected error occurred.",
  "success": false,
  "info": {
    "errors": {}
  }
}