curl --request POST \
  --url https://api.vambe.me/api/public/apps/{appId}/events/checkout \
  --header 'Content-Type: application/json' \
  --header 'x-vambe-signature: <x-vambe-signature>' \
  --header 'x-vambe-timestamp: <x-vambe-timestamp>' \
  --data '
{
  "checkout": {
    "external_id": "<string>",
    "external_name": "<string>",
    "currency": "<string>",
    "total_price": 1,
    "recover_url": "<string>",
    "details_url": "<string>",
    "line_items": [
      {
        "external_product_id": "<string>",
        "quantity": 4503599627370495
      }
    ]
  }
}
'

const options = {
  method: 'POST',
  headers: {
    'x-vambe-timestamp': '<x-vambe-timestamp>',
    'x-vambe-signature': '<x-vambe-signature>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    checkout: {
      external_id: '<string>',
      external_name: '<string>',
      currency: '<string>',
      total_price: 1,
      recover_url: '<string>',
      details_url: '<string>',
      line_items: [{external_product_id: '<string>', quantity: 4503599627370495}]
    }
  })
};

fetch('https://api.vambe.me/api/public/apps/{appId}/events/checkout', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.vambe.me/api/public/apps/{appId}/events/checkout"

payload = { "checkout": {
        "external_id": "<string>",
        "external_name": "<string>",
        "currency": "<string>",
        "total_price": 1,
        "recover_url": "<string>",
        "details_url": "<string>",
        "line_items": [
            {
                "external_product_id": "<string>",
                "quantity": 4503599627370495
            }
        ]
    } }
headers = {
    "x-vambe-timestamp": "<x-vambe-timestamp>",
    "x-vambe-signature": "<x-vambe-signature>",
    "Content-Type": "application/json"
}

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

print(response.text)