moonvex

Accept USDT ERC-20 in a Telegram bot

Your bot creates a payment via the API and sends the user a payment link. Once the funds arrive, your server receives a webhook and the bot delivers the product or access.

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How well USDT ERC-20 fits a Telegram bot

As an extra option · Fit 33%

Enable it for customers who hold this coin, but pick another one as the main method.

Pros

  • A stablecoin pegged to the dollar: your revenue does not depend on the exchange rate.

Keep in mind

  • Telegram users often pay from the built-in wallet: add TON or USDT on TON as an option.
  • The network fee is noticeable: for small orders add a cheaper network to the checkout, such as BEP-20, TON or Solana.
Network
Ethereum
Standard
ERC-20
Coins
USDT, USDC, ETH
Best for
orders from a few hundred dollars

One payment link

paymentUrl opens in Telegram’s browser, so the customer isn’t away from the messenger for long.

TON and USDT

Telegram wallet, TRC-20 and other networks — the customer chooses.

USDC and USDT

The two main stablecoins on one network — customers pay with whatever they have.

The bot flow is simple: the user taps “Buy”, the bot calls POST /v1/payments with orderId = user and product id, and sends a button with paymentUrl. The payment.confirmed webhook is the signal to grant access or deliver a key or file.

Network fees on Ethereum are higher than on TRON or BSC, so it makes sense to offer ERC-20 for large payments and B2B invoices, with alternatives on other networks for small orders. One payment page can show several options.

Recommended coin set in a Telegram bot

To cover most customers, enable on the checkout page: USDT on TON, Toncoin (TON), USDT TRC-20. The customer picks the network, and every payment lands on one project balance.

One request to create a payment

The response contains the address, the exact amount and a link to a ready-made payment page. Status updates arrive via HMAC-signed webhooks.

curl https://api.moonvex.org/v1/payments \
  -H "Authorization: Bearer $MOONVEX_SECRET_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"orderId":"tg-52817734-vip","amount":"10","currency":"USDC","network":"ETHEREUM"}'

FAQ

Which currency should the price be in when customers pay in USDT ERC-20?

USDT ERC-20 is pegged to the dollar, so you can set the price in the coin or in USD; the amounts are nearly the same.

Do I need a website to accept payments in a bot?

No. You only need the bot’s server, which receives webhooks over https.

Who pays the network fee?

The sender pays the transfer fee, as with any wallet. The service covers fund sweeps and gas for payouts.

Can I do it without coding?

Yes: issue invoices in the Moonvex Telegram bot and forward the link to your customer.

What address will the customer get?

A separate 0x… address per payment, or a permanent deposit address per customer.

Other coins in a Telegram bot

Accept USDT on TON in a Telegram botTON is built into Telegram: millions of users already have a wallet right inside the messenger.Accept Toncoin (TON) in a Telegram botToncoin is the native coin of the Telegram ecosystem.Accept USDT TRC-20 in a Telegram botUSDT on TRON is the most common way to pay with crypto in the CIS: transfers take about a minute, and the network fee for the customer is lower than on Ethereum.Accept USDT BEP-20 in a Telegram botBNB Smart Chain is the choice of customers who keep funds on Binance and in MetaMask: transfers are cheap and fast.

USDT ERC-20 for other use cases

Accept USDT ERC-20 for B2B invoicesSend B2B invoices in USDT and USDC: payment links, API, export for accounting, team roles and payouts to partners with 2FA.Accept USDT ERC-20 for freelancersSend USDT, BTC and ETH invoices to clients abroad: a payment link without a website, locked rate, withdrawals to your wallet with 2FA.Accept USDT ERC-20 for online schoolsTake course payments in crypto: USDT, BTC, TON for students anywhere. Invoices without a website, API, webhooks to unlock access, payouts to authors.Accept USDT ERC-20 for SaaSCrypto subscriptions and recurring billing for SaaS: plans, automatic invoices, webhooks, customer deposit addresses and a Node.js SDK.

Compare USDT ERC-20 with others

USDT TRC-20 / USDT ERC-20USDT BEP-20 / USDT ERC-20USDT ERC-20 / USDT on TONUSDT ERC-20 / USDT and USDC on Solana

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