curl --request POST \
  --url https://api.example.com/environments/settings \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-environment: <x-environment>' \
  --data '
{
  "handles": {
    "invoicePrefix": "<string>",
    "customerPrefix": "<string>",
    "subscriptionPrefix": "<string>"
  },
  "invoice": {
    "seed": 123
  },
  "paymentTerm": {
    "defaultTerm": "<string>"
  }
}
'

import requests

url = "https://api.example.com/environments/settings"

payload = {
    "handles": {
        "invoicePrefix": "<string>",
        "customerPrefix": "<string>",
        "subscriptionPrefix": "<string>"
    },
    "invoice": { "seed": 123 },
    "paymentTerm": { "defaultTerm": "<string>" }
}
headers = {
    "x-environment": "<x-environment>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-environment': '<x-environment>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    handles: {
      invoicePrefix: '<string>',
      customerPrefix: '<string>',
      subscriptionPrefix: '<string>'
    },
    invoice: {seed: 123},
    paymentTerm: {defaultTerm: '<string>'}
  })
};

fetch('https://api.example.com/environments/settings', 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/environments/settings",
  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([
    'handles' => [
        'invoicePrefix' => '<string>',
        'customerPrefix' => '<string>',
        'subscriptionPrefix' => '<string>'
    ],
    'invoice' => [
        'seed' => 123
    ],
    'paymentTerm' => [
        'defaultTerm' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-environment: <x-environment>"
  ],
]);

$response = curl_exec($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/environments/settings"

	payload := strings.NewReader("{\n  \"handles\": {\n    \"invoicePrefix\": \"<string>\",\n    \"customerPrefix\": \"<string>\",\n    \"subscriptionPrefix\": \"<string>\"\n  },\n  \"invoice\": {\n    \"seed\": 123\n  },\n  \"paymentTerm\": {\n    \"defaultTerm\": \"<string>\"\n  }\n}")

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

	req.Header.Add("x-environment", "<x-environment>")
	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/environments/settings")
  .header("x-environment", "<x-environment>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"handles\": {\n    \"invoicePrefix\": \"<string>\",\n    \"customerPrefix\": \"<string>\",\n    \"subscriptionPrefix\": \"<string>\"\n  },\n  \"invoice\": {\n    \"seed\": 123\n  },\n  \"paymentTerm\": {\n    \"defaultTerm\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/environments/settings")

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

request = Net::HTTP::Post.new(url)
request["x-environment"] = '<x-environment>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"handles\": {\n    \"invoicePrefix\": \"<string>\",\n    \"customerPrefix\": \"<string>\",\n    \"subscriptionPrefix\": \"<string>\"\n  },\n  \"invoice\": {\n    \"seed\": 123\n  },\n  \"paymentTerm\": {\n    \"defaultTerm\": \"<string>\"\n  }\n}"

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

{
  "handles": {
    "invoicePrefix": "<string>",
    "customerPrefix": "<string>",
    "subscriptionPrefix": "<string>"
  },
  "invoice": {
    "seed": 123
  },
  "paymentTerm": {
    "defaultTerm": "<string>"
  }
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}