Generate Advance Invoice

curl --request POST \
  --url https://billing.example.com/v1/subscriptions/{id}/advance \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "periods": 2
}'

import requests

url = "https://billing.example.com/v1/subscriptions/{id}/advance"

payload = { "periods": 2 }
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({periods: 2})
};

fetch('https://billing.example.com/v1/subscriptions/{id}/advance', 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://billing.example.com/v1/subscriptions/{id}/advance",
  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([
    'periods' => 2
  ]),
  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://billing.example.com/v1/subscriptions/{id}/advance"

	payload := strings.NewReader("{\n  \"periods\": 2\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://billing.example.com/v1/subscriptions/{id}/advance")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"periods\": 2\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://billing.example.com/v1/subscriptions/{id}/advance")

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  \"periods\": 2\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "tenant_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "subscription_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "customer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "invoice_number": "<string>",
    "billing_reason": "<string>",
    "amount_due": 123,
    "amount_paid": 123,
    "currency": "<string>",
    "subtotal": 123,
    "tax_amount": 123,
    "total": 123,
    "tax_regime": "gst",
    "igst_amount": 123,
    "cgst_amount": 123,
    "sgst_amount": 123,
    "hsn_code": "<string>",
    "irn": "<string>",
    "ack_no": "<string>",
    "signed_qr_code": "<string>",
    "e_invoice_status": "<string>",
    "ack_date": "<string>",
    "e_invoice_retry_count": 123,
    "e_invoice_next_retry_at": "2023-11-07T05:31:56Z",
    "e_invoice_error_message": "<string>",
    "tds_amount": 123,
    "status": "draft",
    "created_at": "2023-11-07T05:31:56Z",
    "due_date": "2023-11-07T05:31:56Z",
    "paid_at": "2023-11-07T05:31:56Z",
    "payment_terms": "<string>",
    "exchange_rate": 123,
    "base_currency_total": 123,
    "base_currency": "<string>",
    "next_retry_at": "2023-11-07T05:31:56Z",
    "retry_count": 123,
    "payment_wall_active": true,
    "line_items": [
      {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "description": "<string>",
        "hsn_code": "<string>",
        "quantity": 123,
        "unit_amount": 123,
        "amount": 123,
        "tax_rate": 123,
        "cgst_amount": 123,
        "sgst_amount": 123,
        "igst_amount": 123,
        "taxable_amount": 123,
        "created_at": "2023-11-07T05:31:56Z"
      }
    ]
  }
}

{
  "error": {
    "code": "validation_failed",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "validation_failed",
    "message": "<string>"
  }
}