curl --request POST \
  --url https://api.payaza.africa/live/merchant-collection/mobile_payment/initiate \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 2,
  "first_name": "John",
  "last_name": "Doe",
  "email_address": "johndoe@email.com",
  "payment_option": "GOOGLEPAY",
  "description": "Support",
  "transaction_reference": "TX20251109",
  "redirect_url": "https://redirect.url/success",
  "cancel_url": "https://redirect.urlcancel",
  "error_url": "https://redirect.url/error",
  "country_code": "USA",
  "currency_code": "USD"
}
'

import requests

url = "https://api.payaza.africa/live/merchant-collection/mobile_payment/initiate"

payload = {
    "amount": 2,
    "first_name": "John",
    "last_name": "Doe",
    "email_address": "johndoe@email.com",
    "payment_option": "GOOGLEPAY",
    "description": "Support",
    "transaction_reference": "TX20251109",
    "redirect_url": "https://redirect.url/success",
    "cancel_url": "https://redirect.urlcancel",
    "error_url": "https://redirect.url/error",
    "country_code": "USA",
    "currency_code": "USD"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: 2,
    first_name: 'John',
    last_name: 'Doe',
    email_address: 'johndoe@email.com',
    payment_option: 'GOOGLEPAY',
    description: 'Support',
    transaction_reference: 'TX20251109',
    redirect_url: 'https://redirect.url/success',
    cancel_url: 'https://redirect.urlcancel',
    error_url: 'https://redirect.url/error',
    country_code: 'USA',
    currency_code: 'USD'
  })
};

fetch('https://api.payaza.africa/live/merchant-collection/mobile_payment/initiate', 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.payaza.africa/live/merchant-collection/mobile_payment/initiate",
  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' => 2,
    'first_name' => 'John',
    'last_name' => 'Doe',
    'email_address' => 'johndoe@email.com',
    'payment_option' => 'GOOGLEPAY',
    'description' => 'Support',
    'transaction_reference' => 'TX20251109',
    'redirect_url' => 'https://redirect.url/success',
    'cancel_url' => 'https://redirect.urlcancel',
    'error_url' => 'https://redirect.url/error',
    'country_code' => 'USA',
    'currency_code' => 'USD'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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.payaza.africa/live/merchant-collection/mobile_payment/initiate"

	payload := strings.NewReader("{\n  \"amount\": 2,\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email_address\": \"johndoe@email.com\",\n  \"payment_option\": \"GOOGLEPAY\",\n  \"description\": \"Support\",\n  \"transaction_reference\": \"TX20251109\",\n  \"redirect_url\": \"https://redirect.url/success\",\n  \"cancel_url\": \"https://redirect.urlcancel\",\n  \"error_url\": \"https://redirect.url/error\",\n  \"country_code\": \"USA\",\n  \"currency_code\": \"USD\"\n}")

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

	req.Header.Add("Authorization", "<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://api.payaza.africa/live/merchant-collection/mobile_payment/initiate")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 2,\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email_address\": \"johndoe@email.com\",\n  \"payment_option\": \"GOOGLEPAY\",\n  \"description\": \"Support\",\n  \"transaction_reference\": \"TX20251109\",\n  \"redirect_url\": \"https://redirect.url/success\",\n  \"cancel_url\": \"https://redirect.urlcancel\",\n  \"error_url\": \"https://redirect.url/error\",\n  \"country_code\": \"USA\",\n  \"currency_code\": \"USD\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.payaza.africa/live/merchant-collection/mobile_payment/initiate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 2,\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email_address\": \"johndoe@email.com\",\n  \"payment_option\": \"GOOGLEPAY\",\n  \"description\": \"Support\",\n  \"transaction_reference\": \"TX20251109\",\n  \"redirect_url\": \"https://redirect.url/success\",\n  \"cancel_url\": \"https://redirect.urlcancel\",\n  \"error_url\": \"https://redirect.url/error\",\n  \"country_code\": \"USA\",\n  \"currency_code\": \"USD\"\n}"

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

{
  "status": true,
  "message": "payment initiated successfully",
  "data": {
    "error_url": "https://redirect.url/error",
    "merchant_reference": "TX20251109",
    "payment_option": "GOOGLEPAY",
    "transaction_amount": 2,
    "slug_name": "dev-guide-test",
    "currency": "USD",
    "paymentUrl": "{{paymentUrl}}",
    "transaction_reference": "TX20251109",
    "cancel_url": "https://redirect.urlcancel",
    "redirect_url": "https://redirect.url/success"
  }
}