curl --request POST \
  --url https://sandbox-api.kotanipay.io/api/v3/withdraw/paybill \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 500,
  "walletId": "5f9b2c7b9c9d6b0017b4e6b1",
  "paybillDetails": {
    "paybillNumber": "400200",
    "accountNumber": "ACC123456",
    "phoneNumber": "+254712345678",
    "remarks": "Payment for invoice #12345"
  },
  "callbackUrl": "https://example.com/callback",
  "referenceId": "PAYBILL-001"
}
'

import requests

url = "https://sandbox-api.kotanipay.io/api/v3/withdraw/paybill"

payload = {
    "amount": 500,
    "walletId": "5f9b2c7b9c9d6b0017b4e6b1",
    "paybillDetails": {
        "paybillNumber": "400200",
        "accountNumber": "ACC123456",
        "phoneNumber": "+254712345678",
        "remarks": "Payment for invoice #12345"
    },
    "callbackUrl": "https://example.com/callback",
    "referenceId": "PAYBILL-001"
}
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({
    amount: 500,
    walletId: '5f9b2c7b9c9d6b0017b4e6b1',
    paybillDetails: {
      paybillNumber: '400200',
      accountNumber: 'ACC123456',
      phoneNumber: '+254712345678',
      remarks: 'Payment for invoice #12345'
    },
    callbackUrl: 'https://example.com/callback',
    referenceId: 'PAYBILL-001'
  })
};

fetch('https://sandbox-api.kotanipay.io/api/v3/withdraw/paybill', 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://sandbox-api.kotanipay.io/api/v3/withdraw/paybill",
  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([
    'amount' => 500,
    'walletId' => '5f9b2c7b9c9d6b0017b4e6b1',
    'paybillDetails' => [
        'paybillNumber' => '400200',
        'accountNumber' => 'ACC123456',
        'phoneNumber' => '+254712345678',
        'remarks' => 'Payment for invoice #12345'
    ],
    'callbackUrl' => 'https://example.com/callback',
    'referenceId' => 'PAYBILL-001'
  ]),
  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://sandbox-api.kotanipay.io/api/v3/withdraw/paybill"

	payload := strings.NewReader("{\n  \"amount\": 500,\n  \"walletId\": \"5f9b2c7b9c9d6b0017b4e6b1\",\n  \"paybillDetails\": {\n    \"paybillNumber\": \"400200\",\n    \"accountNumber\": \"ACC123456\",\n    \"phoneNumber\": \"+254712345678\",\n    \"remarks\": \"Payment for invoice #12345\"\n  },\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"referenceId\": \"PAYBILL-001\"\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://sandbox-api.kotanipay.io/api/v3/withdraw/paybill")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 500,\n  \"walletId\": \"5f9b2c7b9c9d6b0017b4e6b1\",\n  \"paybillDetails\": {\n    \"paybillNumber\": \"400200\",\n    \"accountNumber\": \"ACC123456\",\n    \"phoneNumber\": \"+254712345678\",\n    \"remarks\": \"Payment for invoice #12345\"\n  },\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"referenceId\": \"PAYBILL-001\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-api.kotanipay.io/api/v3/withdraw/paybill")

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  \"amount\": 500,\n  \"walletId\": \"5f9b2c7b9c9d6b0017b4e6b1\",\n  \"paybillDetails\": {\n    \"paybillNumber\": \"400200\",\n    \"accountNumber\": \"ACC123456\",\n    \"phoneNumber\": \"+254712345678\",\n    \"remarks\": \"Payment for invoice #12345\"\n  },\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"referenceId\": \"PAYBILL-001\"\n}"

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

{
  "success": true,
  "message": "Paybill withdrawal has been successfully created.",
  "data": {
    "id": "<string>",
    "message": "<string>",
    "referenceId": "<string>",
    "referenceNumber": 123
  }
}

{
  "success": false,
  "message": "Bad Request",
  "data": {}
}

{
  "success": false,
  "message": "Invalid API Key",
  "data": {}
}