curl --request PATCH \
  --url https://api.openpmm.com/v1/workspaces/{workspace_id}/posts/{post} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'If-Match: <if-match>' \
  --data '
{
  "body": [
    "Opening post",
    "Reply with an image"
  ],
  "asset_items": [
    {
      "asset_id": "ast_01JABCDEF",
      "item_index": 1
    }
  ]
}
'

import requests

url = "https://api.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}"

payload = {
    "body": ["Opening post", "Reply with an image"],
    "asset_items": [
        {
            "asset_id": "ast_01JABCDEF",
            "item_index": 1
        }
    ]
}
headers = {
    "If-Match": "<if-match>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'If-Match': '<if-match>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    body: JSON.stringify(['Opening post', 'Reply with an image']),
    asset_items: [{asset_id: 'ast_01JABCDEF', item_index: 1}]
  })
};

fetch('https://api.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}', 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.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}",
  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([
    'body' => [
        'Opening post',
        'Reply with an image'
    ],
    'asset_items' => [
        [
                'asset_id' => 'ast_01JABCDEF',
                'item_index' => 1
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "If-Match: <if-match>"
  ],
]);

$response = curl_exec($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.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}"

	payload := strings.NewReader("{\n  \"body\": [\n    \"Opening post\",\n    \"Reply with an image\"\n  ],\n  \"asset_items\": [\n    {\n      \"asset_id\": \"ast_01JABCDEF\",\n      \"item_index\": 1\n    }\n  ]\n}")

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

	req.Header.Add("If-Match", "<if-match>")
	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.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}")
  .header("If-Match", "<if-match>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"body\": [\n    \"Opening post\",\n    \"Reply with an image\"\n  ],\n  \"asset_items\": [\n    {\n      \"asset_id\": \"ast_01JABCDEF\",\n      \"item_index\": 1\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.openpmm.com/v1/workspaces/{workspace_id}/posts/{post}")

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

request = Net::HTTP::Patch.new(url)
request["If-Match"] = '<if-match>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"body\": [\n    \"Opening post\",\n    \"Reply with an image\"\n  ],\n  \"asset_items\": [\n    {\n      \"asset_id\": \"ast_01JABCDEF\",\n      \"item_index\": 1\n    }\n  ]\n}"

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