import { Client } from "@notionhq/client"

const notion = new Client({ auth: process.env.NOTION_API_KEY })

const response = await notion.comments.update({
  comment_id: "c02fc1d3-db8b-45c5-a222-27595b15aea7",
  rich_text: [{ text: { content: "Updated comment text" } }]
})

curl --request PATCH \
  --url https://api.notion.com/v1/comments/{comment_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Notion-Version: <notion-version>' \
  --data '
{
  "rich_text": [
    {
      "text": {
        "content": "<string>",
        "link": {
          "url": "https://www.notion.com"
        }
      },
      "annotations": {
        "bold": true,
        "italic": true,
        "strikethrough": true,
        "underline": true,
        "code": true
      },
      "type": "text"
    }
  ]
}
'

import requests

url = "https://api.notion.com/v1/comments/{comment_id}"

payload = { "rich_text": [
        {
            "text": {
                "content": "<string>",
                "link": { "url": "https://www.notion.com" }
            },
            "annotations": {
                "bold": True,
                "italic": True,
                "strikethrough": True,
                "underline": True,
                "code": True
            },
            "type": "text"
        }
    ] }
headers = {
    "Notion-Version": "<notion-version>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.notion.com/v1/comments/{comment_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([
    'rich_text' => [
        [
                'text' => [
                                'content' => '<string>',
                                'link' => [
                                                                'url' => 'https://www.notion.com'
                                ]
                ],
                'annotations' => [
                                'bold' => true,
                                'italic' => true,
                                'strikethrough' => true,
                                'underline' => true,
                                'code' => true
                ],
                'type' => 'text'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Notion-Version: <notion-version>"
  ],
]);

$response = curl_exec($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.notion.com/v1/comments/{comment_id}"

	payload := strings.NewReader("{\n  \"rich_text\": [\n    {\n      \"text\": {\n        \"content\": \"<string>\",\n        \"link\": {\n          \"url\": \"https://www.notion.com\"\n        }\n      },\n      \"annotations\": {\n        \"bold\": true,\n        \"italic\": true,\n        \"strikethrough\": true,\n        \"underline\": true,\n        \"code\": true\n      },\n      \"type\": \"text\"\n    }\n  ]\n}")

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

	req.Header.Add("Notion-Version", "<notion-version>")
	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.notion.com/v1/comments/{comment_id}")
  .header("Notion-Version", "<notion-version>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"rich_text\": [\n    {\n      \"text\": {\n        \"content\": \"<string>\",\n        \"link\": {\n          \"url\": \"https://www.notion.com\"\n        }\n      },\n      \"annotations\": {\n        \"bold\": true,\n        \"italic\": true,\n        \"strikethrough\": true,\n        \"underline\": true,\n        \"code\": true\n      },\n      \"type\": \"text\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.notion.com/v1/comments/{comment_id}")

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

request = Net::HTTP::Patch.new(url)
request["Notion-Version"] = '<notion-version>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"rich_text\": [\n    {\n      \"text\": {\n        \"content\": \"<string>\",\n        \"link\": {\n          \"url\": \"https://www.notion.com\"\n        }\n      },\n      \"annotations\": {\n        \"bold\": true,\n        \"italic\": true,\n        \"strikethrough\": true,\n        \"underline\": true,\n        \"code\": true\n      },\n      \"type\": \"text\"\n    }\n  ]\n}"

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

{
  "object": "comment",
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}

{
  "object": "error",
  "message": "<string>",
  "code": "invalid_json",
  "status": 400,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "unauthorized",
  "status": 401,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "restricted_resource",
  "status": 403,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "object_not_found",
  "status": 404,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "row_limit_exceeded",
  "status": 406,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "conflict_error",
  "status": 409,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "rate_limited",
  "status": 429,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "internal_server_error",
  "status": 500,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "service_unavailable",
  "status": 503,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "gateway_timeout",
  "status": 504,
  "additional_data": {}
}

{
  "object": "error",
  "message": "<string>",
  "code": "service_overload",
  "status": 529,
  "additional_data": {}
}