curl --request POST \
  --url https://your-instance.example.com/api/contact-notes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contactId": "65c2d0e0f0a0b0c0d0e0f0a0",
  "note": "@alice please review the W2 attached.",
  "mentions": [
    "65b1f0a2c3d4e5f6a7b8c9d0"
  ],
  "attachments": [
    {
      "key": "orgs/65a0.../notes/w2.pdf",
      "name": "w2.pdf",
      "size": 121200,
      "type": "application/pdf"
    }
  ]
}
'

import requests

url = "https://your-instance.example.com/api/contact-notes"

payload = {
    "contactId": "65c2d0e0f0a0b0c0d0e0f0a0",
    "note": "@alice please review the W2 attached.",
    "mentions": ["65b1f0a2c3d4e5f6a7b8c9d0"],
    "attachments": [
        {
            "key": "orgs/65a0.../notes/w2.pdf",
            "name": "w2.pdf",
            "size": 121200,
            "type": "application/pdf"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    contactId: '65c2d0e0f0a0b0c0d0e0f0a0',
    note: '@alice please review the W2 attached.',
    mentions: ['65b1f0a2c3d4e5f6a7b8c9d0'],
    attachments: [
      {
        key: 'orgs/65a0.../notes/w2.pdf',
        name: 'w2.pdf',
        size: 121200,
        type: 'application/pdf'
      }
    ]
  })
};

fetch('https://your-instance.example.com/api/contact-notes', 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://your-instance.example.com/api/contact-notes",
  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([
    'contactId' => '65c2d0e0f0a0b0c0d0e0f0a0',
    'note' => '@alice please review the W2 attached.',
    'mentions' => [
        '65b1f0a2c3d4e5f6a7b8c9d0'
    ],
    'attachments' => [
        [
                'key' => 'orgs/65a0.../notes/w2.pdf',
                'name' => 'w2.pdf',
                'size' => 121200,
                'type' => 'application/pdf'
        ]
    ]
  ]),
  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://your-instance.example.com/api/contact-notes"

	payload := strings.NewReader("{\n  \"contactId\": \"65c2d0e0f0a0b0c0d0e0f0a0\",\n  \"note\": \"@alice please review the W2 attached.\",\n  \"mentions\": [\n    \"65b1f0a2c3d4e5f6a7b8c9d0\"\n  ],\n  \"attachments\": [\n    {\n      \"key\": \"orgs/65a0.../notes/w2.pdf\",\n      \"name\": \"w2.pdf\",\n      \"size\": 121200,\n      \"type\": \"application/pdf\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", 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.post("https://your-instance.example.com/api/contact-notes")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contactId\": \"65c2d0e0f0a0b0c0d0e0f0a0\",\n  \"note\": \"@alice please review the W2 attached.\",\n  \"mentions\": [\n    \"65b1f0a2c3d4e5f6a7b8c9d0\"\n  ],\n  \"attachments\": [\n    {\n      \"key\": \"orgs/65a0.../notes/w2.pdf\",\n      \"name\": \"w2.pdf\",\n      \"size\": 121200,\n      \"type\": \"application/pdf\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://your-instance.example.com/api/contact-notes")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"contactId\": \"65c2d0e0f0a0b0c0d0e0f0a0\",\n  \"note\": \"@alice please review the W2 attached.\",\n  \"mentions\": [\n    \"65b1f0a2c3d4e5f6a7b8c9d0\"\n  ],\n  \"attachments\": [\n    {\n      \"key\": \"orgs/65a0.../notes/w2.pdf\",\n      \"name\": \"w2.pdf\",\n      \"size\": 121200,\n      \"type\": \"application/pdf\"\n    }\n  ]\n}"

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

{
  "success": true,
  "message": "Contact note created",
  "data": {
    "_id": "67f0a0b0c0d0e0f0a0b0c0d0",
    "userId": {
      "_id": "65b1f0a2c3d4e5f6a7b8c9d3",
      "fullName": "Cory Tan",
      "email": "cory@example.com"
    },
    "note": "Spoke briefly; will follow up tomorrow.",
    "attachments": [],
    "reactions": [],
    "isEdited": false,
    "createdAt": "2026-05-18T14:00:00.000Z"
  }
}

{
  "success": false,
  "message": "Contact note not found",
  "error": "NOT_FOUND"
}

{
  "success": false,
  "message": "Contact note not found",
  "error": "NOT_FOUND"
}

{
  "success": false,
  "message": "Contact note not found",
  "error": "NOT_FOUND"
}