curl --request POST \
  --url https://external.dev.onboardpay.co/ledger/cash-payments \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "quoteId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "accountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "reference": "CTR123456",
  "amount": 1,
  "beneficiaryId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "paymentReason": "<string>",
  "unitCurrency": "<string>",
  "narration": "<string>"
}
'

import requests

url = "https://external.dev.onboardpay.co/ledger/cash-payments"

payload = {
    "quoteId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "accountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "reference": "CTR123456",
    "amount": 1,
    "beneficiaryId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "paymentReason": "<string>",
    "unitCurrency": "<string>",
    "narration": "<string>"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    quoteId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    accountId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    reference: 'CTR123456',
    amount: 1,
    beneficiaryId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    paymentReason: '<string>',
    unitCurrency: '<string>',
    narration: '<string>'
  })
};

fetch('https://external.dev.onboardpay.co/ledger/cash-payments', 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://external.dev.onboardpay.co/ledger/cash-payments",
  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([
    'quoteId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'accountId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'reference' => 'CTR123456',
    'amount' => 1,
    'beneficiaryId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'paymentReason' => '<string>',
    'unitCurrency' => '<string>',
    'narration' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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://external.dev.onboardpay.co/ledger/cash-payments"

	payload := strings.NewReader("{\n  \"quoteId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"reference\": \"CTR123456\",\n  \"amount\": 1,\n  \"beneficiaryId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"paymentReason\": \"<string>\",\n  \"unitCurrency\": \"<string>\",\n  \"narration\": \"<string>\"\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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://external.dev.onboardpay.co/ledger/cash-payments")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"quoteId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"reference\": \"CTR123456\",\n  \"amount\": 1,\n  \"beneficiaryId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"paymentReason\": \"<string>\",\n  \"unitCurrency\": \"<string>\",\n  \"narration\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://external.dev.onboardpay.co/ledger/cash-payments")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"quoteId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"reference\": \"CTR123456\",\n  \"amount\": 1,\n  \"beneficiaryId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"paymentReason\": \"<string>\",\n  \"unitCurrency\": \"<string>\",\n  \"narration\": \"<string>\"\n}"

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

{
  "id": "P12005E1DV",
  "awaiting2fA": false,
  "twoFaMethod": []
}

{
  "code": "BAD_REQUEST",
  "message": "Request could not be validated."
}

{
  "code": "UNAUTHORIZED",
  "message": "Either client security header is missing or it is not valid."
}