curl --request POST \
  --url https://api.example.com/transfers/preview \
  --header 'Content-Type: application/json' \
  --data '
{
  "recipientCountryCode": "NGA",
  "reference": "your-transfer-referencex",
  "amount": 3000,
  "customer": {
    "firstName": "John",
    "lastName": "Doe",
    "email": "johndoe@gmail.com",
    "phoneNumber": "090123456789"
  }
}
'

import requests

url = "https://api.example.com/transfers/preview"

payload = {
    "recipientCountryCode": "NGA",
    "reference": "your-transfer-referencex",
    "amount": 3000,
    "customer": {
        "firstName": "John",
        "lastName": "Doe",
        "email": "johndoe@gmail.com",
        "phoneNumber": "090123456789"
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    recipientCountryCode: 'NGA',
    reference: 'your-transfer-referencex',
    amount: 3000,
    customer: {
      firstName: 'John',
      lastName: 'Doe',
      email: 'johndoe@gmail.com',
      phoneNumber: '090123456789'
    }
  })
};

fetch('https://api.example.com/transfers/preview', 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/transfers/preview",
  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([
    'recipientCountryCode' => 'NGA',
    'reference' => 'your-transfer-referencex',
    'amount' => 3000,
    'customer' => [
        'firstName' => 'John',
        'lastName' => 'Doe',
        'email' => 'johndoe@gmail.com',
        'phoneNumber' => '090123456789'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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/transfers/preview"

	payload := strings.NewReader("{\n  \"recipientCountryCode\": \"NGA\",\n  \"reference\": \"your-transfer-referencex\",\n  \"amount\": 3000,\n  \"customer\": {\n    \"firstName\": \"John\",\n    \"lastName\": \"Doe\",\n    \"email\": \"johndoe@gmail.com\",\n    \"phoneNumber\": \"090123456789\"\n  }\n}")

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

	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/transfers/preview")
  .header("Content-Type", "application/json")
  .body("{\n  \"recipientCountryCode\": \"NGA\",\n  \"reference\": \"your-transfer-referencex\",\n  \"amount\": 3000,\n  \"customer\": {\n    \"firstName\": \"John\",\n    \"lastName\": \"Doe\",\n    \"email\": \"johndoe@gmail.com\",\n    \"phoneNumber\": \"090123456789\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/transfers/preview")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"recipientCountryCode\": \"NGA\",\n  \"reference\": \"your-transfer-referencex\",\n  \"amount\": 3000,\n  \"customer\": {\n    \"firstName\": \"John\",\n    \"lastName\": \"Doe\",\n    \"email\": \"johndoe@gmail.com\",\n    \"phoneNumber\": \"090123456789\"\n  }\n}"

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

{
  "success": true,
  "message": "Operation Successful",
  "data": {
    "recipientName": "bsuitetest llc",
    "reference": "your-transfer-referencex",
    "amount": 3000,
    "currencyCode": "NGN",
    "url": "<unknown>",
    "channels": [
      [
        "card"
      ]
    ]
  },
  "meta": {
    "timestamp": "2026-03-20T13:36:18Z"
  }
}