curl --request POST \
  --url https://api.sandbox.lead.bank/v1/ach/{ach_id}/return \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "return_code": "R02",
  "metadata": {}
}
'

import requests

url = "https://api.sandbox.lead.bank/v1/ach/{ach_id}/return"

payload = {
    "return_code": "R02",
    "metadata": {}
}
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({return_code: 'R02', metadata: {}})
};

fetch('https://api.sandbox.lead.bank/v1/ach/{ach_id}/return', 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.sandbox.lead.bank/v1/ach/{ach_id}/return",
  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([
    'return_code' => 'R02',
    'metadata' => [
        
    ]
  ]),
  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.sandbox.lead.bank/v1/ach/{ach_id}/return"

	payload := strings.NewReader("{\n  \"return_code\": \"R02\",\n  \"metadata\": {}\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.sandbox.lead.bank/v1/ach/{ach_id}/return")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"return_code\": \"R02\",\n  \"metadata\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.lead.bank/v1/ach/{ach_id}/return")

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  \"return_code\": \"R02\",\n  \"metadata\": {}\n}"

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

{
  "id": "ach_xyz001",
  "created_at": "2022-06-27T11:22:33Z",
  "updated_at": "2022-06-27T11:22:33Z",
  "status": "submitted",
  "amount": 5000,
  "account_id": "account_xyz123",
  "account_number_id": "account_number_xyz123",
  "direction": "outgoing",
  "delivery_type": "same_business_day",
  "transaction_type": "credit",
  "sec_code": "WEB",
  "currency_code": "USD",
  "statement_descriptor": "P2P Credit",
  "record_details": {
    "transaction_code": "checking_credit",
    "company_name": "Acme Inc.",
    "company_id": "1234",
    "company_discretionary_data": "Acme Inc.",
    "effective_date": "2022-06-27",
    "settlement_date": "2022-06-27",
    "individual_id": "<string>",
    "receiver_name": "<string>",
    "descriptive_date": "220627",
    "additional_information": "<string>",
    "trace_number": "123456789012345"
  },
  "counterparty": {
    "name": "Lara Smikle",
    "account_number": "1032345678",
    "routing_number": "021000021",
    "account_type": "checking"
  },
  "returns": [
    {
      "type": "return",
      "status": "submitted",
      "return_code": "R02",
      "return_reason": "<string>",
      "trace_number": "123456789012345",
      "additional_information": "<string>"
    }
  ],
  "reversal": {
    "linked_ach_id": "<string>"
  },
  "rejection": {
    "reason": "account_number_status",
    "details": "Account number account_123 is inactive."
  },
  "correction": {
    "account_number": "1032345678",
    "routing_number": "021000021"
  },
  "metadata": {},
  "iat_details": {
    "transaction_type_code": "business",
    "destination_country": "CA",
    "originator_currency_code": "USD",
    "destination_currency_code": "CAD",
    "foreign_trace_number": "FRN-2024-98765-INTL",
    "additional_information": "<string>",
    "originator": {
      "name": "Acme Inc.",
      "street_address": "123 Main Street",
      "city_state_province": "New York*NY\\",
      "country_postal_code": "US*10001\\"
    },
    "originating_financial_institution": {
      "name": "First National Bank",
      "identifier_type": "swift_bic",
      "identifier_code": "FNBUS33XXX",
      "branch_country": "US"
    },
    "receiver": {
      "name": "Lara Smikle",
      "reference_number": "RCV-2024-001",
      "street_address": "456 Maple Avenue",
      "city_state_province": "Toronto*ON\\",
      "country_postal_code": "CA*M5H 2N2\\"
    },
    "receiving_financial_institution": {
      "name": "First National Bank",
      "identifier_type": "swift_bic",
      "identifier_code": "FNBUS33XXX",
      "branch_country": "US"
    },
    "foreign_correspondent_banks": [
      {
        "name": "First National Bank",
        "identifier_type": "swift_bic",
        "identifier_code": "FNBUS33XXX",
        "branch_country": "US"
      }
    ]
  }
}

{
  "code": "<string>",
  "title": "<string>",
  "detail": "<string>",
  "status": "<string>",
  "invalid_parameters": [
    {
      "parameter": "transaction_type",
      "reason": "<string>"
    }
  ],
  "instance": "<string>"
}

{
  "code": "<string>",
  "title": "<string>",
  "detail": "<string>",
  "status": "<string>",
  "invalid_parameters": [
    {
      "parameter": "transaction_type",
      "reason": "<string>"
    }
  ],
  "instance": "<string>"
}