After configuring a payment provider for the bot, use grammY to send an invoice and handle the payment lifecycle.
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| import { Bot } from "https://deno.land/x/grammy@v1.25.0/mod.ts";
const bot = new Bot('BOT_TOKEN');
bot.command('start', async ctx => {
try {
await ctx.replyWithInvoice(
'Product title',
'Product description',
'unique-payload',
'PROVIDER_TOKEN',
'USD',
[{ label: 'Product', amount: 1000 }]
);
} catch (error) {
console.error(error);
await ctx.reply('Could not create the invoice. Please try again.');
}
});
bot.on('pre_checkout_query', ctx => ctx.answerPreCheckoutQuery(true));
bot.on('message:successful_payment', async ctx => {
console.log('Payment succeeded:', ctx.message.successful_payment);
await ctx.reply('Payment successful. Thank you!');
});
bot.start();
|
Run with deno run --allow-net your-script.ts, then send /start to the bot.
![Invoice message]()
Verify the payload, amount, currency, and payment result on a trusted backend before granting a purchased item.
