curl --request PATCH \
  --url https://api.example.com/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "is_flagged": true,
  "notes": "<string>"
}
'

import requests

url = "https://api.example.com/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id}"

payload = {
    "is_flagged": True,
    "notes": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({is_flagged: true, notes: '<string>'})
};

fetch('https://api.example.com/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id}', 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/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_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([
    'is_flagged' => true,
    'notes' => '<string>'
  ]),
  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/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id}"

	payload := strings.NewReader("{\n  \"is_flagged\": true,\n  \"notes\": \"<string>\"\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://api.example.com/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"is_flagged\": true,\n  \"notes\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/cases/{case_id}/bank-accounts/{account_id}/transactions/{transaction_id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"is_flagged\": true,\n  \"notes\": \"<string>\"\n}"

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

{
  "data": {
    "id": "01K6TX03CJ1T88HRYE78AN7VWX",
    "date": "2025-09-15",
    "posted_date": "2025-09-16",
    "effective_date": "2023-12-25",
    "type": "debit",
    "amount": -150,
    "running_balance": 15080.5,
    "description": "Electric Company Payment",
    "merchant_name": "Springfield Electric Co.",
    "reference_number": "REF-2025-09-15-001",
    "check_number": null,
    "category": "bills",
    "is_recurring": true,
    "is_flagged": false,
    "notes": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "The requested resource was not found."
  }
}

{
  "error": {
    "code": "validation_error",
    "message": "The request body contains invalid fields.",
    "details": [
      {
        "field": "email",
        "message": "Must be a valid email address."
      }
    ]
  }
}