curl --request POST \
  --url https://api.example.com/v1/cases/{case_id}/transfers/{transfer_id}/cancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reason": "Executor asked us to hold until the sibling dispute is resolved."
}
'

import requests

url = "https://api.example.com/v1/cases/{case_id}/transfers/{transfer_id}/cancel"

payload = { "reason": "Executor asked us to hold until the sibling dispute is resolved." }
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({reason: 'Executor asked us to hold until the sibling dispute is resolved.'})
};

fetch('https://api.example.com/v1/cases/{case_id}/transfers/{transfer_id}/cancel', 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}/transfers/{transfer_id}/cancel",
  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([
    'reason' => 'Executor asked us to hold until the sibling dispute is resolved.'
  ]),
  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}/transfers/{transfer_id}/cancel"

	payload := strings.NewReader("{\n  \"reason\": \"Executor asked us to hold until the sibling dispute is resolved.\"\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/v1/cases/{case_id}/transfers/{transfer_id}/cancel")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"reason\": \"Executor asked us to hold until the sibling dispute is resolved.\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/cases/{case_id}/transfers/{transfer_id}/cancel")

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  \"reason\": \"Executor asked us to hold until the sibling dispute is resolved.\"\n}"

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

{
  "data": {
    "id": "01K9TR01AJ0T55HRYE78AN7TRF",
    "case_id": "01K5WF06MJ6T99HRYE78AN7XM8",
    "bank_account_id": "01K6BA01AJ9T66HRYE78AN7PQR",
    "estate_account_id": "01K6BA07XJ9T66HRYE78AN7EST",
    "method": "ach_debit",
    "amount_requested": 15230.5,
    "amount_settled": null,
    "currency": "USD",
    "status": "in_transit",
    "status_reason": null,
    "return_code": null,
    "requested_by": "01K8PU01AJ0T77HRYE78AN7AAA",
    "requested_at": "2026-08-24T14:10:00Z",
    "submitted_at": "2026-08-24T21:00:00Z",
    "expected_settlement_date": "2026-08-27",
    "settled_at": null,
    "trace_number": "021000020000001",
    "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": "transfer_not_cancellable",
    "message": "This transfer was submitted to the ACH network and can no longer be cancelled."
  }
}