curl --request POST \
  --url https://api.example.com/api/v1/customer/import \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "externalId": "<string>",
      "affiliateExternalId": "<string>",
      "registrationDate": "2023-11-07T05:31:56Z",
      "externalTrackerId": "<string>",
      "username": "<string>",
      "brandId": "<string>",
      "externalBrandId": "<string>",
      "country": "<string>",
      "revShareExcluded": true,
      "cpaExcluded": true,
      "category": "<string>",
      "label": "<string>",
      "customParameter": "<string>",
      "referringUrl": "<string>"
    }
  ]
}
'

import requests

url = "https://api.example.com/api/v1/customer/import"

payload = { "items": [
        {
            "externalId": "<string>",
            "affiliateExternalId": "<string>",
            "registrationDate": "2023-11-07T05:31:56Z",
            "externalTrackerId": "<string>",
            "username": "<string>",
            "brandId": "<string>",
            "externalBrandId": "<string>",
            "country": "<string>",
            "revShareExcluded": True,
            "cpaExcluded": True,
            "category": "<string>",
            "label": "<string>",
            "customParameter": "<string>",
            "referringUrl": "<string>"
        }
    ] }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {
        externalId: '<string>',
        affiliateExternalId: '<string>',
        registrationDate: '2023-11-07T05:31:56Z',
        externalTrackerId: '<string>',
        username: '<string>',
        brandId: '<string>',
        externalBrandId: '<string>',
        country: '<string>',
        revShareExcluded: true,
        cpaExcluded: true,
        category: '<string>',
        label: '<string>',
        customParameter: '<string>',
        referringUrl: '<string>'
      }
    ]
  })
};

fetch('https://api.example.com/api/v1/customer/import', 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/api/v1/customer/import",
  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([
    'items' => [
        [
                'externalId' => '<string>',
                'affiliateExternalId' => '<string>',
                'registrationDate' => '2023-11-07T05:31:56Z',
                'externalTrackerId' => '<string>',
                'username' => '<string>',
                'brandId' => '<string>',
                'externalBrandId' => '<string>',
                'country' => '<string>',
                'revShareExcluded' => true,
                'cpaExcluded' => true,
                'category' => '<string>',
                'label' => '<string>',
                'customParameter' => '<string>',
                'referringUrl' => '<string>'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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/api/v1/customer/import"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"externalId\": \"<string>\",\n      \"affiliateExternalId\": \"<string>\",\n      \"registrationDate\": \"2023-11-07T05:31:56Z\",\n      \"externalTrackerId\": \"<string>\",\n      \"username\": \"<string>\",\n      \"brandId\": \"<string>\",\n      \"externalBrandId\": \"<string>\",\n      \"country\": \"<string>\",\n      \"revShareExcluded\": true,\n      \"cpaExcluded\": true,\n      \"category\": \"<string>\",\n      \"label\": \"<string>\",\n      \"customParameter\": \"<string>\",\n      \"referringUrl\": \"<string>\"\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "<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.example.com/api/v1/customer/import")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"externalId\": \"<string>\",\n      \"affiliateExternalId\": \"<string>\",\n      \"registrationDate\": \"2023-11-07T05:31:56Z\",\n      \"externalTrackerId\": \"<string>\",\n      \"username\": \"<string>\",\n      \"brandId\": \"<string>\",\n      \"externalBrandId\": \"<string>\",\n      \"country\": \"<string>\",\n      \"revShareExcluded\": true,\n      \"cpaExcluded\": true,\n      \"category\": \"<string>\",\n      \"label\": \"<string>\",\n      \"customParameter\": \"<string>\",\n      \"referringUrl\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/customer/import")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"externalId\": \"<string>\",\n      \"affiliateExternalId\": \"<string>\",\n      \"registrationDate\": \"2023-11-07T05:31:56Z\",\n      \"externalTrackerId\": \"<string>\",\n      \"username\": \"<string>\",\n      \"brandId\": \"<string>\",\n      \"externalBrandId\": \"<string>\",\n      \"country\": \"<string>\",\n      \"revShareExcluded\": true,\n      \"cpaExcluded\": true,\n      \"category\": \"<string>\",\n      \"label\": \"<string>\",\n      \"customParameter\": \"<string>\",\n      \"referringUrl\": \"<string>\"\n    }\n  ]\n}"

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

{
  "numImported": 123,
  "numDuplicates": 123,
  "numFailed": 123,
  "firstFailureId": "<string>",
  "firstFailureMessage": "<string>"
}