curl --request PATCH \
  --url https://api.example.com/activities/{activity_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "<string>",
  "summary": "<string>",
  "body": "<string>",
  "contact_id": "<string>",
  "deal_id": "<string>",
  "assigned_to": "<string>",
  "due_at": "<string>",
  "account_id": "<string>",
  "done": true,
  "next_step": "<string>",
  "outcome": "<string>",
  "attendees": [
    {
      "name": "<string>",
      "email": "<string>"
    }
  ]
}
'

import requests

url = "https://api.example.com/activities/{activity_id}"

payload = {
    "type": "<string>",
    "summary": "<string>",
    "body": "<string>",
    "contact_id": "<string>",
    "deal_id": "<string>",
    "assigned_to": "<string>",
    "due_at": "<string>",
    "account_id": "<string>",
    "done": True,
    "next_step": "<string>",
    "outcome": "<string>",
    "attendees": [
        {
            "name": "<string>",
            "email": "<string>"
        }
    ]
}
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({
    type: '<string>',
    summary: '<string>',
    body: JSON.stringify('<string>'),
    contact_id: '<string>',
    deal_id: '<string>',
    assigned_to: '<string>',
    due_at: '<string>',
    account_id: '<string>',
    done: true,
    next_step: '<string>',
    outcome: '<string>',
    attendees: [{name: '<string>', email: '<string>'}]
  })
};

fetch('https://api.example.com/activities/{activity_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.example.com/activities/{activity_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([
    'type' => '<string>',
    'summary' => '<string>',
    'body' => '<string>',
    'contact_id' => '<string>',
    'deal_id' => '<string>',
    'assigned_to' => '<string>',
    'due_at' => '<string>',
    'account_id' => '<string>',
    'done' => true,
    'next_step' => '<string>',
    'outcome' => '<string>',
    'attendees' => [
        [
                'name' => '<string>',
                'email' => '<string>'
        ]
    ]
  ]),
  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.example.com/activities/{activity_id}"

	payload := strings.NewReader("{\n  \"type\": \"<string>\",\n  \"summary\": \"<string>\",\n  \"body\": \"<string>\",\n  \"contact_id\": \"<string>\",\n  \"deal_id\": \"<string>\",\n  \"assigned_to\": \"<string>\",\n  \"due_at\": \"<string>\",\n  \"account_id\": \"<string>\",\n  \"done\": true,\n  \"next_step\": \"<string>\",\n  \"outcome\": \"<string>\",\n  \"attendees\": [\n    {\n      \"name\": \"<string>\",\n      \"email\": \"<string>\"\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.example.com/activities/{activity_id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"type\": \"<string>\",\n  \"summary\": \"<string>\",\n  \"body\": \"<string>\",\n  \"contact_id\": \"<string>\",\n  \"deal_id\": \"<string>\",\n  \"assigned_to\": \"<string>\",\n  \"due_at\": \"<string>\",\n  \"account_id\": \"<string>\",\n  \"done\": true,\n  \"next_step\": \"<string>\",\n  \"outcome\": \"<string>\",\n  \"attendees\": [\n    {\n      \"name\": \"<string>\",\n      \"email\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/activities/{activity_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  \"type\": \"<string>\",\n  \"summary\": \"<string>\",\n  \"body\": \"<string>\",\n  \"contact_id\": \"<string>\",\n  \"deal_id\": \"<string>\",\n  \"assigned_to\": \"<string>\",\n  \"due_at\": \"<string>\",\n  \"account_id\": \"<string>\",\n  \"done\": true,\n  \"next_step\": \"<string>\",\n  \"outcome\": \"<string>\",\n  \"attendees\": [\n    {\n      \"name\": \"<string>\",\n      \"email\": \"<string>\"\n    }\n  ]\n}"

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

{}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}