Realiza upgrade imediato do plano com proration

curl --request POST \
  --url https://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "plan_id": "<string>",
  "plan_price_id": "<string>"
}
'

import requests

url = "https://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade"

payload = {
    "plan_id": "<string>",
    "plan_price_id": "<string>"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({plan_id: '<string>', plan_price_id: '<string>'})
};

fetch('https://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade', 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://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade",
  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([
    'plan_id' => '<string>',
    'plan_price_id' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade"

	payload := strings.NewReader("{\n  \"plan_id\": \"<string>\",\n  \"plan_price_id\": \"<string>\"\n}")

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

	req.Header.Add("Authorization", "<api-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://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"plan_id\": \"<string>\",\n  \"plan_price_id\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://golang-api-vgnqx.ondigitalocean.app/v1/billing/subscriptions/upgrade")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"plan_id\": \"<string>\",\n  \"plan_price_id\": \"<string>\"\n}"

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

{
  "cancel_at_period_end": true,
  "cancellation_requested_at": "<string>",
  "current_period_end": "<string>",
  "current_period_start": "<string>",
  "grace_until": "<string>",
  "id": "<string>",
  "plan": {
    "active": true,
    "created_for_user_id": "<string>",
    "description": "<string>",
    "id": "<string>",
    "kind": "<string>",
    "limits": {
      "dre_available": true,
      "max_companies": 0,
      "max_transactions_per_month": 0,
      "max_users_per_company": 0
    },
    "name": "<string>",
    "prices": [
      {
        "active": true,
        "amount_cents": 123,
        "currency": "<string>",
        "id": "<string>",
        "period": "<string>",
        "saving": 123,
        "stripe_price_id": "<string>"
      }
    ],
    "slug": "<string>",
    "sort_order": 123
  },
  "plan_id": "<string>",
  "plan_price_id": "<string>",
  "retention_until": "<string>",
  "status": "<string>",
  "stripe_customer_id": "<string>",
  "stripe_subscription_id": "<string>",
  "user_id": "<string>"
}

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