curl --request POST \
  --url https://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-PARTNER-ID: <api-key>' \
  --data '
{
  "account_id": "01K5G4FZZ18DMK0M5QTR8Y9QY9",
  "ewallet_code": "DANA",
  "customer_number": "085733347341",
  "amount": {
    "value": "10000.00",
    "currency": "IDR"
  }
}
'

import requests

url = "https://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry"

payload = {
    "account_id": "01K5G4FZZ18DMK0M5QTR8Y9QY9",
    "ewallet_code": "DANA",
    "customer_number": "085733347341",
    "amount": {
        "value": "10000.00",
        "currency": "IDR"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "X-PARTNER-ID": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'X-PARTNER-ID': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    account_id: '01K5G4FZZ18DMK0M5QTR8Y9QY9',
    ewallet_code: 'DANA',
    customer_number: '085733347341',
    amount: {value: '10000.00', currency: 'IDR'}
  })
};

fetch('https://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry', 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-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry",
  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([
    'account_id' => '01K5G4FZZ18DMK0M5QTR8Y9QY9',
    'ewallet_code' => 'DANA',
    'customer_number' => '085733347341',
    'amount' => [
        'value' => '10000.00',
        'currency' => 'IDR'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-PARTNER-ID: <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://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry"

	payload := strings.NewReader("{\n  \"account_id\": \"01K5G4FZZ18DMK0M5QTR8Y9QY9\",\n  \"ewallet_code\": \"DANA\",\n  \"customer_number\": \"085733347341\",\n  \"amount\": {\n    \"value\": \"10000.00\",\n    \"currency\": \"IDR\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("X-PARTNER-ID", "<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://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry")
  .header("Authorization", "Bearer <token>")
  .header("X-PARTNER-ID", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"account_id\": \"01K5G4FZZ18DMK0M5QTR8Y9QY9\",\n  \"ewallet_code\": \"DANA\",\n  \"customer_number\": \"085733347341\",\n  \"amount\": {\n    \"value\": \"10000.00\",\n    \"currency\": \"IDR\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-payment-b2b.singapay.id/api/v2.0/ewallet/account-inquiry")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-PARTNER-ID"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"account_id\": \"01K5G4FZZ18DMK0M5QTR8Y9QY9\",\n  \"ewallet_code\": \"DANA\",\n  \"customer_number\": \"085733347341\",\n  \"amount\": {\n    \"value\": \"10000.00\",\n    \"currency\": \"IDR\"\n  }\n}"

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

{
  "response_code": "SP000",
  "response_message": "Successful",
  "data": {
    "ewallet_code": "DANA",
    "customer_number": "085733347341",
    "customer_name": "John Doe",
    "min_amount": {
      "value": "10000.00",
      "currency": "IDR"
    },
    "max_amount": {
      "value": "10000.00",
      "currency": "IDR"
    },
    "amount": {
      "value": "10000.00",
      "currency": "IDR"
    },
    "fee_amount": {
      "value": "10000.00",
      "currency": "IDR"
    },
    "gross_amount": {
      "value": "10000.00",
      "currency": "IDR"
    }
  }
}

{
  "response_code": "SP117",
  "response_message": "Beneficiary not found",
  "data": {
    "ewallet_code": "DANA",
    "customer_number": "085733347341"
  }
}

{
  "response_code": "SP009",
  "response_message": "Upstream timeout",
  "data": {
    "reference_number": "176458254538481"
  }
}