curl --request POST \
  --url https://api.maesn.dev/accounting/paymentTerms \
  --header 'Content-Type: application/json' \
  --header 'X-ACCOUNT-KEY: <x-account-key>' \
  --header 'X-API-KEY: <x-api-key>' \
  --data '
{
  "code": "1",
  "description": "31 dagen",
  "discountDays": 10,
  "discountDays2": 14,
  "discountPercentage": 5,
  "discountPercentage2": 3,
  "discountPeriods": [
    {
      "invoiceRange": "Invoice issuance range up to day 5 of the month",
      "discountDeadline": "Day 15 of the current month",
      "discountDeadline2": "Day 25 of the current month",
      "paymentDeadline": "Day 30 of the current month"
    }
  ],
  "name": "31 DAYS",
  "paymentDays": 31,
  "paymentMethod": "BANK_TRANSFER"
}
'

import requests

url = "https://api.maesn.dev/accounting/paymentTerms"

payload = {
    "code": "1",
    "description": "31 dagen",
    "discountDays": 10,
    "discountDays2": 14,
    "discountPercentage": 5,
    "discountPercentage2": 3,
    "discountPeriods": [
        {
            "invoiceRange": "Invoice issuance range up to day 5 of the month",
            "discountDeadline": "Day 15 of the current month",
            "discountDeadline2": "Day 25 of the current month",
            "paymentDeadline": "Day 30 of the current month"
        }
    ],
    "name": "31 DAYS",
    "paymentDays": 31,
    "paymentMethod": "BANK_TRANSFER"
}
headers = {
    "X-API-KEY": "<x-api-key>",
    "X-ACCOUNT-KEY": "<x-account-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-API-KEY': '<x-api-key>',
    'X-ACCOUNT-KEY': '<x-account-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    code: '1',
    description: '31 dagen',
    discountDays: 10,
    discountDays2: 14,
    discountPercentage: 5,
    discountPercentage2: 3,
    discountPeriods: [
      {
        invoiceRange: 'Invoice issuance range up to day 5 of the month',
        discountDeadline: 'Day 15 of the current month',
        discountDeadline2: 'Day 25 of the current month',
        paymentDeadline: 'Day 30 of the current month'
      }
    ],
    name: '31 DAYS',
    paymentDays: 31,
    paymentMethod: 'BANK_TRANSFER'
  })
};

fetch('https://api.maesn.dev/accounting/paymentTerms', 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.maesn.dev/accounting/paymentTerms",
  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([
    'code' => '1',
    'description' => '31 dagen',
    'discountDays' => 10,
    'discountDays2' => 14,
    'discountPercentage' => 5,
    'discountPercentage2' => 3,
    'discountPeriods' => [
        [
                'invoiceRange' => 'Invoice issuance range up to day 5 of the month',
                'discountDeadline' => 'Day 15 of the current month',
                'discountDeadline2' => 'Day 25 of the current month',
                'paymentDeadline' => 'Day 30 of the current month'
        ]
    ],
    'name' => '31 DAYS',
    'paymentDays' => 31,
    'paymentMethod' => 'BANK_TRANSFER'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-ACCOUNT-KEY: <x-account-key>",
    "X-API-KEY: <x-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.maesn.dev/accounting/paymentTerms"

	payload := strings.NewReader("{\n  \"code\": \"1\",\n  \"description\": \"31 dagen\",\n  \"discountDays\": 10,\n  \"discountDays2\": 14,\n  \"discountPercentage\": 5,\n  \"discountPercentage2\": 3,\n  \"discountPeriods\": [\n    {\n      \"invoiceRange\": \"Invoice issuance range up to day 5 of the month\",\n      \"discountDeadline\": \"Day 15 of the current month\",\n      \"discountDeadline2\": \"Day 25 of the current month\",\n      \"paymentDeadline\": \"Day 30 of the current month\"\n    }\n  ],\n  \"name\": \"31 DAYS\",\n  \"paymentDays\": 31,\n  \"paymentMethod\": \"BANK_TRANSFER\"\n}")

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

	req.Header.Add("X-API-KEY", "<x-api-key>")
	req.Header.Add("X-ACCOUNT-KEY", "<x-account-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.maesn.dev/accounting/paymentTerms")
  .header("X-API-KEY", "<x-api-key>")
  .header("X-ACCOUNT-KEY", "<x-account-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"code\": \"1\",\n  \"description\": \"31 dagen\",\n  \"discountDays\": 10,\n  \"discountDays2\": 14,\n  \"discountPercentage\": 5,\n  \"discountPercentage2\": 3,\n  \"discountPeriods\": [\n    {\n      \"invoiceRange\": \"Invoice issuance range up to day 5 of the month\",\n      \"discountDeadline\": \"Day 15 of the current month\",\n      \"discountDeadline2\": \"Day 25 of the current month\",\n      \"paymentDeadline\": \"Day 30 of the current month\"\n    }\n  ],\n  \"name\": \"31 DAYS\",\n  \"paymentDays\": 31,\n  \"paymentMethod\": \"BANK_TRANSFER\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.maesn.dev/accounting/paymentTerms")

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

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<x-api-key>'
request["X-ACCOUNT-KEY"] = '<x-account-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"code\": \"1\",\n  \"description\": \"31 dagen\",\n  \"discountDays\": 10,\n  \"discountDays2\": 14,\n  \"discountPercentage\": 5,\n  \"discountPercentage2\": 3,\n  \"discountPeriods\": [\n    {\n      \"invoiceRange\": \"Invoice issuance range up to day 5 of the month\",\n      \"discountDeadline\": \"Day 15 of the current month\",\n      \"discountDeadline2\": \"Day 25 of the current month\",\n      \"paymentDeadline\": \"Day 30 of the current month\"\n    }\n  ],\n  \"name\": \"31 DAYS\",\n  \"paymentDays\": 31,\n  \"paymentMethod\": \"BANK_TRANSFER\"\n}"

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

{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 125,
      "perPage": 50,
      "currentPage": 1,
      "totalPages": 3
    }
  },
  "data": {
    "id": "08d52c49-b90c-4328-b1ec-623df74f904a",
    "code": "1",
    "createdDate": "2021-01-01T00:00:00Z",
    "description": "31 dagen",
    "discountDays": 10,
    "discountDays2": 14,
    "discountDaysCalculation": "10D",
    "discountPercentage": 5,
    "discountPercentage2": 3,
    "discountPeriods": [
      {
        "invoiceRange": "Invoice issuance range up to day 5 of the month",
        "discountDeadline": "Day 15 of the current month",
        "discountDeadline2": "Day 25 of the current month",
        "paymentDeadline": "Day 30 of the current month"
      }
    ],
    "dueType": "DUE_IN_DAYS",
    "name": "31 DAYS",
    "paymentDays": 31,
    "paymentDaysCalculation": "10D",
    "paymentMethod": "BANK_TRANSFER",
    "updatedDate": "2021-01-01T00:00:00Z"
  }
}