curl --request POST \
  --url https://api.assembly.com/v1/installs/{installId}/notification-settings \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "notifications": [
    {
      "label": "Invoice paid",
      "surfaces": [
        "product",
        "email"
      ],
      "default": {
        "email": false,
        "product": true
      },
      "id": "invoice-paid"
    }
  ],
  "actionLabel": {
    "pluralNoun": "invoices",
    "singularNoun": "invoice",
    "verb": "review"
  }
}
'

import requests

url = "https://api.assembly.com/v1/installs/{installId}/notification-settings"

payload = {
    "notifications": [
        {
            "label": "Invoice paid",
            "surfaces": ["product", "email"],
            "default": {
                "email": False,
                "product": True
            },
            "id": "invoice-paid"
        }
    ],
    "actionLabel": {
        "pluralNoun": "invoices",
        "singularNoun": "invoice",
        "verb": "review"
    }
}
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    notifications: [
      {
        label: 'Invoice paid',
        surfaces: ['product', 'email'],
        default: {email: false, product: true},
        id: 'invoice-paid'
      }
    ],
    actionLabel: {pluralNoun: 'invoices', singularNoun: 'invoice', verb: 'review'}
  })
};

fetch('https://api.assembly.com/v1/installs/{installId}/notification-settings', 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.assembly.com/v1/installs/{installId}/notification-settings",
  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([
    'notifications' => [
        [
                'label' => 'Invoice paid',
                'surfaces' => [
                                'product',
                                'email'
                ],
                'default' => [
                                'email' => false,
                                'product' => true
                ],
                'id' => 'invoice-paid'
        ]
    ],
    'actionLabel' => [
        'pluralNoun' => 'invoices',
        'singularNoun' => 'invoice',
        'verb' => 'review'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-KEY: <api-key>"
  ],
]);

$response = curl_exec($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.assembly.com/v1/installs/{installId}/notification-settings"

	payload := strings.NewReader("{\n  \"notifications\": [\n    {\n      \"label\": \"Invoice paid\",\n      \"surfaces\": [\n        \"product\",\n        \"email\"\n      ],\n      \"default\": {\n        \"email\": false,\n        \"product\": true\n      },\n      \"id\": \"invoice-paid\"\n    }\n  ],\n  \"actionLabel\": {\n    \"pluralNoun\": \"invoices\",\n    \"singularNoun\": \"invoice\",\n    \"verb\": \"review\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-KEY", "<api-key>")
	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.assembly.com/v1/installs/{installId}/notification-settings")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"notifications\": [\n    {\n      \"label\": \"Invoice paid\",\n      \"surfaces\": [\n        \"product\",\n        \"email\"\n      ],\n      \"default\": {\n        \"email\": false,\n        \"product\": true\n      },\n      \"id\": \"invoice-paid\"\n    }\n  ],\n  \"actionLabel\": {\n    \"pluralNoun\": \"invoices\",\n    \"singularNoun\": \"invoice\",\n    \"verb\": \"review\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.assembly.com/v1/installs/{installId}/notification-settings")

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

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"notifications\": [\n    {\n      \"label\": \"Invoice paid\",\n      \"surfaces\": [\n        \"product\",\n        \"email\"\n      ],\n      \"default\": {\n        \"email\": false,\n        \"product\": true\n      },\n      \"id\": \"invoice-paid\"\n    }\n  ],\n  \"actionLabel\": {\n    \"pluralNoun\": \"invoices\",\n    \"singularNoun\": \"invoice\",\n    \"verb\": \"review\"\n  }\n}"

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

{
  "actionLabel": {
    "pluralNoun": "invoices",
    "singularNoun": "invoice",
    "verb": "review"
  },
  "notifications": [
    {
      "default": {
        "email": false,
        "product": true
      },
      "id": "invoice-paid",
      "label": "Invoice paid",
      "surfaces": [
        "product",
        "email"
      ]
    }
  ],
  "object": "notificationSettings"
}

{
  "code": "<string>",
  "data": "<unknown>",
  "message": "<string>"
}

{
  "code": "<string>",
  "data": "<unknown>",
  "message": "<string>"
}

{
  "code": "<string>",
  "data": "<unknown>",
  "message": "<string>"
}

{
  "code": "<string>",
  "data": "<unknown>",
  "message": "<string>"
}

{
  "code": "<string>",
  "data": "<unknown>",
  "message": "<string>"
}