curl --request POST \
  --url https://api.qonversion.io/v3/users/{user_id}/purchases \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "currency": "USD",
  "price": "12.99",
  "purchased": 1653458781,
  "stripe_store_data": {
    "subscription_id": "sub_123e4567",
    "product_id": "prod_123e4567"
  }
}
'

import requests

url = "https://api.qonversion.io/v3/users/{user_id}/purchases"

payload = {
    "currency": "USD",
    "price": "12.99",
    "purchased": 1653458781,
    "stripe_store_data": {
        "subscription_id": "sub_123e4567",
        "product_id": "prod_123e4567"
    }
}
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({
    currency: 'USD',
    price: '12.99',
    purchased: 1653458781,
    stripe_store_data: {subscription_id: 'sub_123e4567', product_id: 'prod_123e4567'}
  })
};

fetch('https://api.qonversion.io/v3/users/{user_id}/purchases', 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.qonversion.io/v3/users/{user_id}/purchases",
  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([
    'currency' => 'USD',
    'price' => '12.99',
    'purchased' => 1653458781,
    'stripe_store_data' => [
        'subscription_id' => 'sub_123e4567',
        'product_id' => 'prod_123e4567'
    ]
  ]),
  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;
}

require 'uri'
require 'net/http'

url = URI("https://api.qonversion.io/v3/users/{user_id}/purchases")

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  \"currency\": \"USD\",\n  \"price\": \"12.99\",\n  \"purchased\": 1653458781,\n  \"stripe_store_data\": {\n    \"subscription_id\": \"sub_123e4567\",\n    \"product_id\": \"prod_123e4567\"\n  }\n}"

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.qonversion.io/v3/users/{user_id}/purchases"

	payload := strings.NewReader("{\n  \"currency\": \"USD\",\n  \"price\": \"12.99\",\n  \"purchased\": 1653458781,\n  \"stripe_store_data\": {\n    \"subscription_id\": \"sub_123e4567\",\n    \"product_id\": \"prod_123e4567\"\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.qonversion.io/v3/users/{user_id}/purchases")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"currency\": \"USD\",\n  \"price\": \"12.99\",\n  \"purchased\": 1653458781,\n  \"stripe_store_data\": {\n    \"subscription_id\": \"sub_123e4567\",\n    \"product_id\": \"prod_123e4567\"\n  }\n}")
  .asString();

{
  "user_id": "QON_7791a27fc4e747412381842b36a",
  "currency": "USD",
  "price": "12.99",
  "purchased": 1653458781,
  "stripe_store_data": {
    "subscription_id": "sub_123e4567",
    "product_id": "prod_123e4567"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  },
  "meta": {
    "reference": "https://documentation.qonversion.io/reference/handling-api-errors"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  },
  "meta": {
    "reference": "https://documentation.qonversion.io/reference/handling-api-errors"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  },
  "meta": {
    "reference": "https://documentation.qonversion.io/reference/handling-api-errors"
  }
}