curl --request POST \
  --url https://api.sellauth.com/v1/reseller/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "product_id": 1,
      "variant_id": 1,
      "quantity": 1
    }
  ]
}
'

import requests

url = "https://api.sellauth.com/v1/reseller/invoices"

payload = { "items": [
        {
            "product_id": 1,
            "variant_id": 1,
            "quantity": 1
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({items: [{product_id: 1, variant_id: 1, quantity: 1}]})
};

fetch('https://api.sellauth.com/v1/reseller/invoices', 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.sellauth.com/v1/reseller/invoices",
  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' => [
        [
                'product_id' => 1,
                'variant_id' => 1,
                'quantity' => 1
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.sellauth.com/v1/reseller/invoices"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"product_id\": 1,\n      \"variant_id\": 1,\n      \"quantity\": 1\n    }\n  ]\n}")

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

	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.sellauth.com/v1/reseller/invoices")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"product_id\": 1,\n      \"variant_id\": 1,\n      \"quantity\": 1\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sellauth.com/v1/reseller/invoices")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"product_id\": 1,\n      \"variant_id\": 1,\n      \"quantity\": 1\n    }\n  ]\n}"

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

{
  "id": 2,
  "unique_id": "9f2b3c4d5e6f7",
  "status": "completed",
  "fulfillment_status": null,
  "currency": "USD",
  "total": 9,
  "total_usd": 9,
  "source": "api",
  "url": "https://pay.sellauth.com/invoice/9f2b3c4d5e6f7",
  "created_at": "2026-07-23T12:00:00.000000Z",
  "completed_at": "2026-07-23T12:00:01.000000Z",
  "items": [
    {
      "product_id": 1,
      "product_name": "Example Product",
      "variant_id": 1,
      "variant_name": "1 Month",
      "quantity": 1,
      "status": "completed",
      "total_price": 9,
      "total_price_usd": 9,
      "reseller_discount": 1,
      "delivered": [
        "EXAMPLE-KEY-1"
      ]
    }
  ]
}

{
  "message": "Insufficient reseller balance. Balance: $1.00, order total: $9.00. Top up your balance on the shop's customer panel."
}

{
  "message": "This request is still being processed. Retry shortly."
}

{
  "message": "Product \"Example Product\" has a mismatched currency. Order products with different currencies separately."
}