curl --request PUT \
  --url https://api.tilta.io/v1/orders/{external_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "ordered_at": 123,
  "payment_method": "TRANSFER",
  "payment_term": "DEFER_30D",
  "amount": {
    "net": 2,
    "gross": 2,
    "tax": 1
  },
  "comment": "For Daniel without tomatoes",
  "delivery_address": {
    "postcode": "12345",
    "city": "Berlin",
    "street": "Example Street",
    "house": "42b",
    "additional": "c/o Testimonial"
  },
  "custom_data": {},
  "line_items": [
    {
      "name": "<string>",
      "category": "<string>",
      "price": 123,
      "quantity": 2,
      "description": "<string>"
    }
  ],
  "contact_email": "john.doe@example.com"
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    ordered_at: 123,
    payment_method: 'TRANSFER',
    payment_term: 'DEFER_30D',
    amount: {net: 2, gross: 2, tax: 1},
    comment: 'For Daniel without tomatoes',
    delivery_address: {
      postcode: '12345',
      city: 'Berlin',
      street: 'Example Street',
      house: '42b',
      additional: 'c/o Testimonial'
    },
    custom_data: {},
    line_items: [
      {
        name: '<string>',
        category: '<string>',
        price: 123,
        quantity: 2,
        description: '<string>'
      }
    ],
    contact_email: 'john.doe@example.com'
  })
};

fetch('https://api.tilta.io/v1/orders/{external_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.tilta.io/v1/orders/{external_id}"

payload = {
    "ordered_at": 123,
    "payment_method": "TRANSFER",
    "payment_term": "DEFER_30D",
    "amount": {
        "net": 2,
        "gross": 2,
        "tax": 1
    },
    "comment": "For Daniel without tomatoes",
    "delivery_address": {
        "postcode": "12345",
        "city": "Berlin",
        "street": "Example Street",
        "house": "42b",
        "additional": "c/o Testimonial"
    },
    "custom_data": {},
    "line_items": [
        {
            "name": "<string>",
            "category": "<string>",
            "price": 123,
            "quantity": 2,
            "description": "<string>"
        }
    ],
    "contact_email": "john.doe@example.com"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.tilta.io/v1/orders/{external_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'ordered_at' => 123,
    'payment_method' => 'TRANSFER',
    'payment_term' => 'DEFER_30D',
    'amount' => [
        'net' => 2,
        'gross' => 2,
        'tax' => 1
    ],
    'comment' => 'For Daniel without tomatoes',
    'delivery_address' => [
        'postcode' => '12345',
        'city' => 'Berlin',
        'street' => 'Example Street',
        'house' => '42b',
        'additional' => 'c/o Testimonial'
    ],
    'custom_data' => [
        
    ],
    'line_items' => [
        [
                'name' => '<string>',
                'category' => '<string>',
                'price' => 123,
                'quantity' => 2,
                'description' => '<string>'
        ]
    ],
    'contact_email' => 'john.doe@example.com'
  ]),
  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;
}

{
  "external_id": "<string>",
  "status": "DRAFT",
  "buyer_external_id": "<string>",
  "created_at": 1582896122,
  "updated_at": 1582896122,
  "merchant_external_id": "<string>",
  "ordered_at": 123,
  "payment_method": "TRANSFER",
  "payment_term": "DEFER_30D",
  "amount": {
    "net": 2,
    "gross": 2,
    "currency": "EUR",
    "tax": 1
  },
  "buyer": {
    "legal_name": "<string>"
  },
  "comment": "For Daniel without tomatoes",
  "delivery_address": {
    "postcode": "12345",
    "city": "Berlin",
    "country": "AF",
    "street": "Example Street",
    "house": "42b",
    "additional": "c/o Testimonial"
  },
  "custom_data": {},
  "line_items": [
    {
      "name": "<string>",
      "category": "<string>",
      "price": 123,
      "currency": "EUR",
      "quantity": 2,
      "description": "<string>"
    }
  ],
  "contact_email": "john.doe@example.com"
}

{
  "code": "BAD_REQUEST",
  "error": "Request validation failed. 1 issue found.",
  "issues": [
    {
      "code": "INVALID_TYPE",
      "path": "body.registered_at",
      "message": "Invalid type"
    }
  ]
}

{
  "error": "Unauthorized",
  "code": "UNAUTHORIZED"
}