curl --request POST \
  --url https://api.sandbox.external.bnznow.com/offset-gateway/orders \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --header 'x-body-signature: <x-body-signature>' \
  --data '
{
  "emission_amount": 1,
  "emission_unit": "kgCO2",
  "callback_url": "<string>",
  "user": {
    "name": "<string>",
    "email": "jsmith@example.com",
    "tax_id": "<string>"
  }
}
'

import requests

url = "https://api.sandbox.external.bnznow.com/offset-gateway/orders"

payload = {
    "emission_amount": 1,
    "emission_unit": "kgCO2",
    "callback_url": "<string>",
    "user": {
        "name": "<string>",
        "email": "jsmith@example.com",
        "tax_id": "<string>"
    }
}
headers = {
    "x-api-key": "<x-api-key>",
    "x-body-signature": "<x-body-signature>",
    "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-body-signature': '<x-body-signature>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    emission_amount: 1,
    emission_unit: 'kgCO2',
    callback_url: '<string>',
    user: {name: '<string>', email: 'jsmith@example.com', tax_id: '<string>'}
  })
};

fetch('https://api.sandbox.external.bnznow.com/offset-gateway/orders', 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.sandbox.external.bnznow.com/offset-gateway/orders",
  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([
    'emission_amount' => 1,
    'emission_unit' => 'kgCO2',
    'callback_url' => '<string>',
    'user' => [
        'name' => '<string>',
        'email' => 'jsmith@example.com',
        'tax_id' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <x-api-key>",
    "x-body-signature: <x-body-signature>"
  ],
]);

$response = curl_exec($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.sandbox.external.bnznow.com/offset-gateway/orders"

	payload := strings.NewReader("{\n  \"emission_amount\": 1,\n  \"emission_unit\": \"kgCO2\",\n  \"callback_url\": \"<string>\",\n  \"user\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"tax_id\": \"<string>\"\n  }\n}")

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

	req.Header.Add("x-api-key", "<x-api-key>")
	req.Header.Add("x-body-signature", "<x-body-signature>")
	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.sandbox.external.bnznow.com/offset-gateway/orders")
  .header("x-api-key", "<x-api-key>")
  .header("x-body-signature", "<x-body-signature>")
  .header("Content-Type", "application/json")
  .body("{\n  \"emission_amount\": 1,\n  \"emission_unit\": \"kgCO2\",\n  \"callback_url\": \"<string>\",\n  \"user\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"tax_id\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.external.bnznow.com/offset-gateway/orders")

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-body-signature"] = '<x-body-signature>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"emission_amount\": 1,\n  \"emission_unit\": \"kgCO2\",\n  \"callback_url\": \"<string>\",\n  \"user\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"tax_id\": \"<string>\"\n  }\n}"

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

{
  "order_id": "<string>",
  "emission_amount": 123,
  "emission_unit": "<string>",
  "user": {
    "name": "<string>",
    "email": "<string>",
    "tax_id": "<string>"
  },
  "callback_url": "<string>",
  "payment_url": "<string>",
  "created_at": "2023-11-07T05:31:56Z"
}

{
  "error": 123,
  "message": "<string>"
}