curl -X POST 'https://verification.didit.me/v3/billing/top-up/' \
  -H 'x-api-key: YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "amount_in_dollars": 500,
    "success_url": "https://yourapp.com/billing/success",
    "cancel_url": "https://yourapp.com/billing/cancel"
  }'

from didit import Didit

# Reads DIDIT_API_KEY.
client = Didit()

result = client.billing.top_up(
    amount_in_dollars=50.0,
)
print(result)

import Didit from "@didit-protocol/sdk-node";

// Reads DIDIT_API_KEY.
const didit = new Didit();

const result = await didit.billing.topUp({
  amount_in_dollars: 50.0,
});
console.log(result);

ctx := context.Background()
// Reads DIDIT_API_KEY.
client := didit.NewClient()

result, err := client.Billing.TopUp(ctx, didit.BillingTopUpParams{
	AmountInDollars: 50.0,
})
if err != nil {
	log.Fatal(err)
}
fmt.Printf("%+v\n", result)

import me.didit.Didit;
import me.didit.types.BillingTopUpParams;

// Reads DIDIT_API_KEY.
Didit client = new Didit();

var result = client.billing().topUp(BillingTopUpParams.builder()
        .amountInDollars(50.0)
        .build());
System.out.println(result);

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;

// Reads DIDIT_API_KEY.
$didit = new DiditClient();

$result = $didit->billing->topUp([
    'amount_in_dollars' => 50.0,
]);
print_r($result->toArray());

require "didit"

# Reads DIDIT_API_KEY.
didit = Didit::Client.new

result = didit.billing.top_up(amount_in_dollars: 50.0)
puts result.to_h

using System;
using System.Text.Json;
using Didit;

// Reads DIDIT_API_KEY.
using var client = new DiditClient();

var result = await client.Billing.TopUpAsync(new BillingTopUpParams
{
    AmountInDollars = 50.0,
});
Console.WriteLine(JsonSerializer.Serialize(result));