curl --request POST \
  --url https://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "product_quantities": {
    "locations": 5,
    "users": 25
  },
  "metadata": {
    "project_id": "proj_abc123"
  }
}
'

import requests

url = "https://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions"

payload = {
    "product_quantities": {
        "locations": 5,
        "users": 25
    },
    "metadata": { "project_id": "proj_abc123" }
}
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({
    product_quantities: {locations: 5, users: 25},
    metadata: {project_id: 'proj_abc123'}
  })
};

fetch('https://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions', 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://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions",
  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([
    'product_quantities' => [
        'locations' => 5,
        'users' => 25
    ],
    'metadata' => [
        'project_id' => 'proj_abc123'
    ]
  ]),
  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://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions"

	payload := strings.NewReader("{\n  \"product_quantities\": {\n    \"locations\": 5,\n    \"users\": 25\n  },\n  \"metadata\": {\n    \"project_id\": \"proj_abc123\"\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://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"product_quantities\": {\n    \"locations\": 5,\n    \"users\": 25\n  },\n  \"metadata\": {\n    \"project_id\": \"proj_abc123\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://v1.api.altostrat.io/workspaces/{workspaceId}/billing-accounts/{billingAccountId}/subscriptions")

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  \"product_quantities\": {\n    \"locations\": 5,\n    \"users\": 25\n  },\n  \"metadata\": {\n    \"project_id\": \"proj_abc123\"\n  }\n}"

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

{
  "id": "sub_a1b2c3d4e5f6g7h8",
  "billing_account_id": "cus_a1b2c3d4e5f6g7h8",
  "status": "active",
  "currency": "usd",
  "product_quantities": {
    "locations": {
      "price_id": "price_123abc",
      "quantity": 10,
      "interval": "month"
    },
    "users": {
      "price_id": "price_456def",
      "quantity": 50,
      "interval": "month"
    }
  },
  "metadata": {
    "order_id": "6735"
  },
  "current_period_start": "2025-10-15T00:00:00Z",
  "current_period_end": "2025-11-15T00:00:00Z",
  "created_at": "2025-10-15T12:30:00Z",
  "updated_at": "2025-10-20T09:00:00Z"
}

{
  "type": "invalid_request_error",
  "code": "parameter_invalid",
  "message": "The 'name' parameter cannot exceed 50 characters.",
  "doc_url": "https://docs.altostrat.io/errors/parameter_invalid"
}

{
  "type": "unprocessable_entity",
  "code": "payment_method_required",
  "message": "A default payment method is required to create a subscription. This workspace is not eligible for a trial.",
  "doc_url": "https://docs.altostrat.io/errors/payment_method_required"
}

{
  "type": "api_error",
  "code": "internal_server_error",
  "message": "An internal server error occurred. Please try again later.",
  "doc_url": "https://docs.altostrat.io/errors/internal_server_error"
}