curl --request POST \
  --url https://api.attio.com/v2/comments \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "format": "plaintext",
    "content": "If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.",
    "author": {
      "type": "workspace-member",
      "id": "50cf242c-7fa3-4cad-87d0-75b1af71c57b"
    },
    "thread_id": "aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2",
    "created_at": "2023-01-01T15:00:00.000000000Z"
  }
}
'

import requests

url = "https://api.attio.com/v2/comments"

payload = { "data": {
        "format": "plaintext",
        "content": "If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.",
        "author": {
            "type": "workspace-member",
            "id": "50cf242c-7fa3-4cad-87d0-75b1af71c57b"
        },
        "thread_id": "aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2",
        "created_at": "2023-01-01T15:00:00.000000000Z"
    } }
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({
    data: {
      format: 'plaintext',
      content: 'If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.',
      author: {type: 'workspace-member', id: '50cf242c-7fa3-4cad-87d0-75b1af71c57b'},
      thread_id: 'aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2',
      created_at: '2023-01-01T15:00:00.000000000Z'
    }
  })
};

fetch('https://api.attio.com/v2/comments', 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.attio.com/v2/comments",
  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([
    'data' => [
        'format' => 'plaintext',
        'content' => 'If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.',
        'author' => [
                'type' => 'workspace-member',
                'id' => '50cf242c-7fa3-4cad-87d0-75b1af71c57b'
        ],
        'thread_id' => 'aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2',
        'created_at' => '2023-01-01T15:00:00.000000000Z'
    ]
  ]),
  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.attio.com/v2/comments"

	payload := strings.NewReader("{\n  \"data\": {\n    \"format\": \"plaintext\",\n    \"content\": \"If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.\",\n    \"author\": {\n      \"type\": \"workspace-member\",\n      \"id\": \"50cf242c-7fa3-4cad-87d0-75b1af71c57b\"\n    },\n    \"thread_id\": \"aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2\",\n    \"created_at\": \"2023-01-01T15:00:00.000000000Z\"\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://api.attio.com/v2/comments")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": {\n    \"format\": \"plaintext\",\n    \"content\": \"If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.\",\n    \"author\": {\n      \"type\": \"workspace-member\",\n      \"id\": \"50cf242c-7fa3-4cad-87d0-75b1af71c57b\"\n    },\n    \"thread_id\": \"aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2\",\n    \"created_at\": \"2023-01-01T15:00:00.000000000Z\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.attio.com/v2/comments")

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  \"data\": {\n    \"format\": \"plaintext\",\n    \"content\": \"If I put the email address of my colleague on Attio in here, e.g. alice@attio.com, they will be notified. Other emails (e.g. person@example.com) will be turned into clickable links.\",\n    \"author\": {\n      \"type\": \"workspace-member\",\n      \"id\": \"50cf242c-7fa3-4cad-87d0-75b1af71c57b\"\n    },\n    \"thread_id\": \"aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2\",\n    \"created_at\": \"2023-01-01T15:00:00.000000000Z\"\n  }\n}"

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

{
  "data": {
    "id": {
      "workspace_id": "14beef7a-99f7-4534-a87e-70b564330a4c",
      "comment_id": "aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2"
    },
    "thread_id": "aa1dc1d9-93ac-4c6c-987e-16b6eea9aab2",
    "content_plaintext": "Let's go ahead and close this deal, alice@attio.com.",
    "entry": {
      "entry_id": "2e6e29ea-c4e0-4f44-842d-78a891f8c156",
      "list_id": "33ebdbe9-e529-47c9-b894-0ba25e9c15c0"
    },
    "record": {
      "record_id": "bf071e1f-6035-429d-b874-d83ea64ea13b",
      "object_id": "97052eb9-e65e-443f-a297-f2d9a4a7f795"
    },
    "resolved_at": "2023-01-01T15:00:00.000000000Z",
    "resolved_by": {
      "type": "workspace-member",
      "id": "50cf242c-7fa3-4cad-87d0-75b1af71c57b"
    },
    "created_at": "2023-01-01T15:00:00.000000000Z",
    "author": {
      "type": "workspace-member",
      "id": "50cf242c-7fa3-4cad-87d0-75b1af71c57b"
    }
  }
}

{
  "statusCode": 400,
  "type": "invalid_request_error",
  "code": "value_not_found",
  "message": "The referenced Thread could not be found, it might have been deleted."
}