curl --request PATCH \
  --url https://api.print.app/v2/imposition-rules/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "<string>",
  "description": "<string>",
  "sections": [
    {
      "group": 50,
      "pages": "<string>",
      "order": [
        50
      ],
      "sheet": {
        "width": 123,
        "height": 123
      },
      "offset": {
        "x": 0,
        "y": 0
      },
      "marks": {
        "crop": true,
        "fold": true
      }
    }
  ]
}
'

import requests

url = "https://api.print.app/v2/imposition-rules/{id}"

payload = {
    "title": "<string>",
    "description": "<string>",
    "sections": [
        {
            "group": 50,
            "pages": "<string>",
            "order": [50],
            "sheet": {
                "width": 123,
                "height": 123
            },
            "offset": {
                "x": 0,
                "y": 0
            },
            "marks": {
                "crop": True,
                "fold": True
            }
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    title: '<string>',
    description: '<string>',
    sections: [
      {
        group: 50,
        pages: '<string>',
        order: [50],
        sheet: {width: 123, height: 123},
        offset: {x: 0, y: 0},
        marks: {crop: true, fold: true}
      }
    ]
  })
};

fetch('https://api.print.app/v2/imposition-rules/{id}', 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.print.app/v2/imposition-rules/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'title' => '<string>',
    'description' => '<string>',
    'sections' => [
        [
                'group' => 50,
                'pages' => '<string>',
                'order' => [
                                50
                ],
                'sheet' => [
                                'width' => 123,
                                'height' => 123
                ],
                'offset' => [
                                'x' => 0,
                                'y' => 0
                ],
                'marks' => [
                                'crop' => true,
                                'fold' => true
                ]
        ]
    ]
  ]),
  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://api.print.app/v2/imposition-rules/{id}"

	payload := strings.NewReader("{\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"sections\": [\n    {\n      \"group\": 50,\n      \"pages\": \"<string>\",\n      \"order\": [\n        50\n      ],\n      \"sheet\": {\n        \"width\": 123,\n        \"height\": 123\n      },\n      \"offset\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"marks\": {\n        \"crop\": true,\n        \"fold\": true\n      }\n    }\n  ]\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://api.print.app/v2/imposition-rules/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"sections\": [\n    {\n      \"group\": 50,\n      \"pages\": \"<string>\",\n      \"order\": [\n        50\n      ],\n      \"sheet\": {\n        \"width\": 123,\n        \"height\": 123\n      },\n      \"offset\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"marks\": {\n        \"crop\": true,\n        \"fold\": true\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.print.app/v2/imposition-rules/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"sections\": [\n    {\n      \"group\": 50,\n      \"pages\": \"<string>\",\n      \"order\": [\n        50\n      ],\n      \"sheet\": {\n        \"width\": 123,\n        \"height\": 123\n      },\n      \"offset\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"marks\": {\n        \"crop\": true,\n        \"fold\": true\n      }\n    }\n  ]\n}"

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

{
  "object": "imposition_rule",
  "id": "_imposition_1",
  "title": "Book cover: back, spine and front as one spread",
  "description": "Pages 1, 2 and 3 are the front cover, the spine and the back cover. The PDF joins them into one spread with the back cover on the left. Later pages print as they are.",
  "builtIn": true,
  "unit": "mm",
  "sections": [
    {
      "pages": "1-3",
      "group": 3,
      "order": [
        3,
        2,
        1
      ],
      "direction": "horizontal",
      "sheet": null,
      "anchor": "center",
      "offset": {
        "x": 0,
        "y": 0
      },
      "marks": {
        "crop": null,
        "fold": null
      }
    }
  ],
  "created": null,
  "modified": null
}

{
  "error": true,
  "code": "invalid_request",
  "message": "width is required.",
  "param": "width",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "unauthorized",
  "message": "Missing or invalid secret key. Send it as \"Authorization: Bearer sk_…\".",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "account_suspended",
  "message": "This account is suspended. Settle the outstanding invoice in the Print.App dashboard.",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "not_found",
  "message": "Not found.",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "folder_not_empty",
  "message": "The folder still holds designs. Remove them from it (or delete them) first.",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "unsupported_media_type",
  "message": "Send the request body as JSON, with \"Content-Type: application/json\".",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "message": "Too Many Requests"
}

{
  "error": true,
  "code": "internal_error",
  "message": "Something went wrong on our side. Retry the request; if it keeps failing, contact support with the requestId.",
  "requestId": "FZn-uhymjoEEJow="
}