curl --request POST \
  --url https://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment \
  --header 'Abp-TenantId: <abp-tenantid>' \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'cap-signature: <cap-signature>' \
  --data '
{
  "channelId": 123,
  "providerChannelId": "<string>",
  "currencyCode": "<string>",
  "amount": {},
  "referenceCode": "<string>",
  "description": "<string>",
  "ipAddress": "<string>",
  "userAgent": "<string>",
  "returnUrl": "<string>",
  "callbackUrl": "<string>",
  "customer": {
    "customer.email": "<string>",
    "customer.mobileNo": "<string>",
    "customer.name": "<string>",
    "customer.username": "<string>"
  },
  "localCitizen": true,
  "timestamp": {}
}
'

import requests

url = "https://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment"

payload = {
    "channelId": 123,
    "providerChannelId": "<string>",
    "currencyCode": "<string>",
    "amount": {},
    "referenceCode": "<string>",
    "description": "<string>",
    "ipAddress": "<string>",
    "userAgent": "<string>",
    "returnUrl": "<string>",
    "callbackUrl": "<string>",
    "customer": {
        "customer.email": "<string>",
        "customer.mobileNo": "<string>",
        "customer.name": "<string>",
        "customer.username": "<string>"
    },
    "localCitizen": True,
    "timestamp": {}
}
headers = {
    "Abp-TenantId": "<abp-tenantid>",
    "Authorization": "<authorization>",
    "cap-signature": "<cap-signature>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Abp-TenantId': '<abp-tenantid>',
    Authorization: '<authorization>',
    'cap-signature': '<cap-signature>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    channelId: 123,
    providerChannelId: '<string>',
    currencyCode: '<string>',
    amount: {},
    referenceCode: '<string>',
    description: '<string>',
    ipAddress: '<string>',
    userAgent: '<string>',
    returnUrl: '<string>',
    callbackUrl: '<string>',
    customer: {
      'customer.email': '<string>',
      'customer.mobileNo': '<string>',
      'customer.name': '<string>',
      'customer.username': '<string>'
    },
    localCitizen: true,
    timestamp: {}
  })
};

fetch('https://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment', 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://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment",
  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([
    'channelId' => 123,
    'providerChannelId' => '<string>',
    'currencyCode' => '<string>',
    'amount' => [
        
    ],
    'referenceCode' => '<string>',
    'description' => '<string>',
    'ipAddress' => '<string>',
    'userAgent' => '<string>',
    'returnUrl' => '<string>',
    'callbackUrl' => '<string>',
    'customer' => [
        'customer.email' => '<string>',
        'customer.mobileNo' => '<string>',
        'customer.name' => '<string>',
        'customer.username' => '<string>'
    ],
    'localCitizen' => true,
    'timestamp' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Abp-TenantId: <abp-tenantid>",
    "Authorization: <authorization>",
    "Content-Type: application/json",
    "cap-signature: <cap-signature>"
  ],
]);

$response = curl_exec($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://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment"

	payload := strings.NewReader("{\n  \"channelId\": 123,\n  \"providerChannelId\": \"<string>\",\n  \"currencyCode\": \"<string>\",\n  \"amount\": {},\n  \"referenceCode\": \"<string>\",\n  \"description\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"userAgent\": \"<string>\",\n  \"returnUrl\": \"<string>\",\n  \"callbackUrl\": \"<string>\",\n  \"customer\": {\n    \"customer.email\": \"<string>\",\n    \"customer.mobileNo\": \"<string>\",\n    \"customer.name\": \"<string>\",\n    \"customer.username\": \"<string>\"\n  },\n  \"localCitizen\": true,\n  \"timestamp\": {}\n}")

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

	req.Header.Add("Abp-TenantId", "<abp-tenantid>")
	req.Header.Add("Authorization", "<authorization>")
	req.Header.Add("cap-signature", "<cap-signature>")
	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://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment")
  .header("Abp-TenantId", "<abp-tenantid>")
  .header("Authorization", "<authorization>")
  .header("cap-signature", "<cap-signature>")
  .header("Content-Type", "application/json")
  .body("{\n  \"channelId\": 123,\n  \"providerChannelId\": \"<string>\",\n  \"currencyCode\": \"<string>\",\n  \"amount\": {},\n  \"referenceCode\": \"<string>\",\n  \"description\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"userAgent\": \"<string>\",\n  \"returnUrl\": \"<string>\",\n  \"callbackUrl\": \"<string>\",\n  \"customer\": {\n    \"customer.email\": \"<string>\",\n    \"customer.mobileNo\": \"<string>\",\n    \"customer.name\": \"<string>\",\n    \"customer.username\": \"<string>\"\n  },\n  \"localCitizen\": true,\n  \"timestamp\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://staging-payments.commerce.asia/api/services/app/PaymentGateway/RequestPayment")

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

request = Net::HTTP::Post.new(url)
request["Abp-TenantId"] = '<abp-tenantid>'
request["Authorization"] = '<authorization>'
request["cap-signature"] = '<cap-signature>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"channelId\": 123,\n  \"providerChannelId\": \"<string>\",\n  \"currencyCode\": \"<string>\",\n  \"amount\": {},\n  \"referenceCode\": \"<string>\",\n  \"description\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"userAgent\": \"<string>\",\n  \"returnUrl\": \"<string>\",\n  \"callbackUrl\": \"<string>\",\n  \"customer\": {\n    \"customer.email\": \"<string>\",\n    \"customer.mobileNo\": \"<string>\",\n    \"customer.name\": \"<string>\",\n    \"customer.username\": \"<string>\"\n  },\n  \"localCitizen\": true,\n  \"timestamp\": {}\n}"

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

{
  "currencyCode": "<string>",
  "amount": 123,
  "transactionNumber": "<string>",
  "channelId": 123,
  "redirectionType": 123,
  "redirectUrl": "<string>"
}