curl --request POST \
  --url https://api.example.com/api/v1/ops/support-cases/{supportCaseId}/attachments \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contentType": "image/png",
  "fileName": "evidence.png",
  "sizeBytes": 2048,
  "storageKey": "support-cases/0197f150/evidence.png",
  "supportCaseMessageId": null
}
'

import requests

url = "https://api.example.com/api/v1/ops/support-cases/{supportCaseId}/attachments"

payload = {
    "contentType": "image/png",
    "fileName": "evidence.png",
    "sizeBytes": 2048,
    "storageKey": "support-cases/0197f150/evidence.png",
    "supportCaseMessageId": None
}
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({
    contentType: 'image/png',
    fileName: 'evidence.png',
    sizeBytes: 2048,
    storageKey: 'support-cases/0197f150/evidence.png',
    supportCaseMessageId: null
  })
};

fetch('https://api.example.com/api/v1/ops/support-cases/{supportCaseId}/attachments', 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/api/v1/ops/support-cases/{supportCaseId}/attachments",
  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([
    'contentType' => 'image/png',
    'fileName' => 'evidence.png',
    'sizeBytes' => 2048,
    'storageKey' => 'support-cases/0197f150/evidence.png',
    'supportCaseMessageId' => null
  ]),
  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/api/v1/ops/support-cases/{supportCaseId}/attachments"

	payload := strings.NewReader("{\n  \"contentType\": \"image/png\",\n  \"fileName\": \"evidence.png\",\n  \"sizeBytes\": 2048,\n  \"storageKey\": \"support-cases/0197f150/evidence.png\",\n  \"supportCaseMessageId\": null\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.example.com/api/v1/ops/support-cases/{supportCaseId}/attachments")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contentType\": \"image/png\",\n  \"fileName\": \"evidence.png\",\n  \"sizeBytes\": 2048,\n  \"storageKey\": \"support-cases/0197f150/evidence.png\",\n  \"supportCaseMessageId\": null\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/ops/support-cases/{supportCaseId}/attachments")

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  \"contentType\": \"image/png\",\n  \"fileName\": \"evidence.png\",\n  \"sizeBytes\": 2048,\n  \"storageKey\": \"support-cases/0197f150/evidence.png\",\n  \"supportCaseMessageId\": null\n}"

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

{
  "supportCaseAttachmentId": "0197f153-4269-7183-b91c-4d73c8ccb191",
  "supportCaseId": "0197f150-40d6-7c1a-bdf2-c5884e07d401",
  "storageKey": "support-cases/0197f150/evidence.png",
  "fileName": "evidence.png",
  "contentType": "image/png",
  "sizeBytes": 2048,
  "createdAt": "2026-07-10T12:00:00.000Z",
  "supportCaseMessageId": null,
  "uploadedByUserId": null,
  "deletedAt": null
}

{
  "errors": [
    {
      "message": "required",
      "path": "name"
    }
  ],
  "message": "Bad Request Error",
  "statusCode": 400
}

{
  "message": "Missing or invalid access token",
  "statusCode": 401
}

{
  "message": "Insufficient permissions",
  "statusCode": 403
}

{
  "message": "Internal Server Error",
  "statusCode": 500
}